| 1 | :userdoc.
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| 2 | :title.RxLVM Library Reference
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| 3 |
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| 4 | .******************************************************************************
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| 5 | :h1 x=left y=bottom width=100% height=100% id=about.Notices
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| 6 | :p.:hp2.RxLVM Library Reference
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| 7 | .br
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| 8 | Version 0.5.1 - March 18, 2007:ehp2.
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| 9 |
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| 10 | :p.The RxLVM library (:hp2.RXLVM.DLL:ehp2. and associated source code) and this
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| 11 | document are (C) 2006 Alex Taylor. The following license terms apply to both.
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| 12 |
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| 13 | :p.Redistribution and use in source and binary forms, with or without
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| 14 | modification, are permitted provided that the following conditions are met&colon.
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| 15 |
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| 16 | :ol.
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| 17 | :li.Redistributions of source code must retain the above copyright notice,
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| 18 | this list of conditions and the following disclaimer.
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| 19 | :li.Redistributions in binary form must reproduce the above copyright
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| 20 | notice, this list of conditions and the following disclaimer in the
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| 21 | documentation and/or other materials provided with the distribution.
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| 22 | :li.The name of the author may not be used to endorse or promote products
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| 23 | derived from this software without specific prior written permission.
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| 24 | :eol.
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| 25 |
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| 26 | :p.THIS SOFTWARE IS PROVIDED BY THE AUTHOR &osq.&osq.AS IS&csq.&csq. AND ANY EXPRESS OR IMPLIED
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| 27 | WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 28 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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| 29 | EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 30 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 31 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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| 32 | BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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| 33 | IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 34 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 35 | POSSIBILITY OF SUCH DAMAGE.
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| 36 |
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| 37 |
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| 38 | .******************************************************************************
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| 39 | :h1 x=left y=bottom width=100% height=100% id=using.Using the RxLVM API
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| 40 | :p.RxLVM (RXLVM.DLL) is a library of REXX functions for interacting with the
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| 41 | Logical Volume Manager (LVM).
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| 42 |
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| 43 | :p.Because REXX is a highly accessible language, and LVM is a potentially
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| 44 | destructive tool if used incautiously, RxLVM only allows access to a relatively
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| 45 | small subset of LVM functions. These functions are informational only&colon. no
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| 46 | means is provided for making changes to the system.
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| 47 |
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| 48 | :p.Using RxLVM functions, you can access information about disk drives, volumes,
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| 49 | and/or partitions, query Boot Manager, and check for removeable media devices.
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| 50 |
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| 51 |
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| 52 | .* ----------------------------------------------------------------------------
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| 53 | :h2 x=left y=bottom width=100% height=100% id=registering.Registering and deregistering functions
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| 54 | :p.As with any REXX function library, you must register RxLVM functions
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| 55 | before you can use them.
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| 56 |
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| 57 | :p.The function :link reftype=hd refid=rxlvmloadfuncs.RxLvmLoadFuncs:elink.
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| 58 | will register all other RxLVM functions automatically&colon.
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| 59 | :xmp.
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| 60 | CALL RxFuncAdd 'RxLvmLoadFuncs', 'RXLVM', 'RxLvmLoadFuncs'
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| 61 | CALL RxLvmLoadFuncs
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| 62 | :exmp.
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| 63 |
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| 64 | :p.Similarly, you can deregister all RxLVM functions using
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| 65 | :link reftype=hd refid=rxlvmdropfuncs.RxLvmDropFuncs:elink.&colon.
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| 66 | :xmp.
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| 67 | CALL RxLvmDropFuncs
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| 68 | :exmp.
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| 69 |
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| 70 | :nt.It is suggested that your REXX programs always call RxLvmDropFuncs when they
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| 71 | have finished using the RxLVM API. This is because new versions of RxLVM may be
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| 72 | released from time to time, and if RXLVM.DLL is updated while functions from an
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| 73 | older version are still registered, the results may be unpredictable.:ent.
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| 74 |
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| 75 |
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| 76 | .* ----------------------------------------------------------------------------
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| 77 | :h2 x=left y=bottom width=100% height=100% id=opening.Opening and closing the LVM engine
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| 78 | :p.The functional component of the Logical Volume Manager is called the :hp2.LVM
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| 79 | engine:ehp2.. RxLVM uses the LVM engine (through its application interface,
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| 80 | LVM.DLL) for all LVM functionality.
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| 81 |
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| 82 | :p.In general, before any program can access LVM, it must :hp2.open:ehp2. the
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| 83 | LVM engine. Only one program at a time can have the LVM engine open.
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| 84 |
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| 85 | :p.Consequently, before you can use any RxLVM function other than RxLvmLoadFuncs,
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| 86 | RxLvmDropFuncs, RxLvmVersion, RxLvmEngineOpen, and RxLvmRediscoverPRM (which is a
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| 87 | special case), you must first open the LVM engine using the function
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| 88 | :link reftype=hd refid=rxlvmengineopen.RxLvmEngineOpen:elink.. For
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| 89 | example&colon.
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| 90 | :xmp.
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| 91 | opened = RxLvmEngineOpen()
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| 92 | :exmp.
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| 93 | :p.RxLvmEngineOpen returns the empty string on success, or an LVM
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| 94 | :link reftype=hd refid=errorstrings.error string:elink. if the LVM engine could
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| 95 | not be opened. The most common reason for failure is if another program already
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| 96 | has the LVM engine open. (See the :link reftype=hd refid=rxlvmengineopen.function
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| 97 | description:elink. for more information.)
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| 98 |
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| 99 | :p.Similarly, once you have finished accessing LVM, you must :hp2.close:ehp2.
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| 100 | the LVM engine using the function
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| 101 | :link reftype=hd refid=rxlvmengineclose.RxLvmEngineClose:elink., e.g.
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| 102 | :xmp.
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| 103 | CALL RxLvmEngineClose
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| 104 | :exmp.
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| 105 | :p.Normally, the LVM engine should close itself automatically when the current
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| 106 | program terminates, but you should nonetheless close it explicitly as soon as
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| 107 | you no longer require access to LVM functions.
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| 108 |
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| 109 |
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| 110 | .* ----------------------------------------------------------------------------
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| 111 | :h2 x=left y=bottom width=100% height=100% id=handles.Using handles
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| 112 | :p.A :hp2.handle:ehp2. is a unique identifier maintained by the LVM engine for
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| 113 | every volume, partition, and drive. It is a four-byte value, which RxLVM
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| 114 | represents as an eight-character hexadecimal string.
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| 115 |
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| 116 | :p.Various RxLVM functions use these handles as a way of uniquely identifying a
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| 117 | volume, partition, or drive. Since drive letters are optional (and can be
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| 118 | changed), this is the most reliable means of identification available.
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| 119 |
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| 120 | :nt.Once the LVM engine has been closed (i.e. with
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| 121 | :link reftype=hd refid=rxlvmengineclose.RxLvmEngineClose:elink.), handles are
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| 122 | not guaranteed to remain valid the next time the LVM engine is opened (not even
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| 123 | within the same process).:ent.
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| 124 |
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| 125 |
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| 126 | .* ----------------------------------------------------------------------------
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| 127 | :h2 x=left y=bottom width=100% height=100% id=errorstrings.LVM error strings
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| 128 | :p.In addition to the return values listed in the function descriptions, all
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| 129 | RxLVM functions except for RxLvmLoadFuncs, RxLvmDropFuncs, RxLvmVersion and
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| 130 | RxLvmEngineClose may also return an error string of the format ":hp2.ERROR&colon.
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| 131 | :ehp2.:hp3.n:ehp3.", where n is an error code returned from the LVM engine.
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| 132 |
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| 133 | :p.If an error of this form is received, it indicates that an error occured
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| 134 | while calling a function in LVM.DLL (the LVM engine interface). It is
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| 135 | therefore up to each REXX program to check for such errors whenever calling
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| 136 | an RxLVM function.
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| 137 |
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| 138 | :p.A complete list of the error codes that can be returned by the LVM engine
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| 139 | may be found :link reftype=hd refid=lvmcodes.here:elink..
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| 140 |
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| 141 |
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| 142 | .******************************************************************************
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| 143 | :h1 x=left y=bottom width=100% height=100%.RxLVM Functions
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| 144 | :p.This chapter describes all of the functions available in the RxLVM library.
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| 145 |
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| 146 | .* ----------------------------------------------------------------------------
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| 147 | :h2 x=left y=bottom width=100% height=100% id=rxlvmbootmgrinfo.RxLvmBootMgrInfo
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| 148 | :p.:hp7.Syntax:ehp7.
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| 149 | :cgraphic.
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| 150 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
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| 151 | ³ ³
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| 152 | ³ &rahead.&rahead.ÄÄÄRxLvmBootMgrInfoÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
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| 153 | ³ ³
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| 154 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
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| 155 | :ecgraphic.
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| 156 |
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| 157 | :p.:hp7.Description:ehp7.
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| 158 | :p.Queries the existence and status of IBM Boot Manager.
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| 159 |
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| 160 | :p.
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| 161 | :p.:hp7.Parameters:ehp7.
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| 162 | :p.None.
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| 163 |
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| 164 | :p.
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| 165 | :p.:hp7.Returns:ehp7.
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| 166 | :p.RxLvmBootMgrInfo returns the empty string ("") if Boot Manager is not
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| 167 | installed. If Boot Manager was detected, a string of the format&colon.
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| 168 | :p.:hp1.disk active timeout deftype defhandle:ehp1.
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| 169 | :p.is returned. The meanings of the various fields are&colon.
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| 170 |
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| 171 | :dl break=none tsize=12.
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| 172 | :dt.:hp1.disk:ehp1.
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| 173 | :dd.The number of the physical disk drive (where 1 is the first disk) on
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| 174 | which Boot Manager is installed.
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| 175 |
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| 176 | :dt.:hp1.active:ehp1.
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| 177 | :dd.A flag indicating whether Boot Manager is active (startable). This is
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| 178 | one of the following values&colon.
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| 179 | :dl compact tsize=4 break=none.
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| 180 | :dt.1
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| 181 | :dd.Boot Manager is installed and active
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| 182 | :dt.0
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| 183 | :dd.Boot Manager is installed but not active
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| 184 | :edl.
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| 185 |
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| 186 | :dt.:hp1.timeout:ehp1.
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| 187 | :dd.The current Boot Manager timeout value (the number of seconds before the
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| 188 | default entry indicated by :hp1.defhandle:ehp1. will be booted automatically
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| 189 | on system startup). This will be 0 if the timeout feature is disabled.
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| 190 |
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| 191 | :dt.:hp1.deftype:ehp1.
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| 192 | :dd.A flag indicating the nature of the default entry indicated by
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| 193 | :hp1.defhandle:ehp1.. This is one of the following values&colon.
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| 194 | :dl compact tsize=4 break=none.
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| 195 | :dt.1
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| 196 | :dd.The default entry is a volume
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| 197 | :dt.0
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| 198 | :dd.The default entry is a non-volume partition
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| 199 | :edl.
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| 200 |
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| 201 | :dt.:hp1.defhandle:ehp1.
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| 202 | :dd.The handle of the default menu entry. This is the item on the Boot Manager
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| 203 | menu which will be booted automatically on system startup once the
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| 204 | :hp1.timeout:ehp1. value expires.
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| 205 | :edl.
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| 206 |
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| 207 | :p.An LVM error message will be returned if the LVM engine encounters an error.
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| 208 |
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| 209 | :p.
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| 210 | :p.:hp7.Example:ehp7.
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| 211 | :xmp.
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| 212 | bmgr = RxLvmBootMgrInfo()
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| 213 | SELECT
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| 214 | WHEN bmgr == '' THEN
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| 215 | SAY 'Boot Manager is not installed.'
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| 216 | WHEN LEFT( bmgr, 6 ) == 'ERROR&colon.' THEN DO
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| 217 | PARSE VAR bmgr 'ERROR&colon.' lvm_error
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| 218 | SAY 'Boot Manager state could not be determined. LVM.DLL returned error code' lvm_error
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| 219 | RETURN lvm_error
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| 220 | END
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| 221 | OTHERWISE
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| 222 | SAY 'Current Boot Manager configuration&colon.' bmgr
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| 223 | END
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| 224 | :exmp.
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| 225 | :p.The following is a sample of output from the example above&colon.
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| 226 | :xmp.
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| 227 | Current Boot Manager configuration&colon. 1 1 30 1 FC04D5A7
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| 228 | :exmp.
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| 229 |
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| 230 |
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| 231 | .* ----------------------------------------------------------------------------
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| 232 | :h2 x=left y=bottom width=100% height=100% id=rxlvmbootmgrmenu.RxLvmBootMgrMenu
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| 233 | :p.:hp7.Syntax:ehp7.
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| 234 | :cgraphic.
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| 235 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
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| 236 | ³ ³
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| 237 | ³ &rahead.&rahead.ÄÄRxLvmBootMgrMenu( stem )ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
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| 238 | ³ ³
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| 239 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
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| 240 | :ecgraphic.
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| 241 |
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| 242 | :p.:hp7.Description:ehp7.
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| 243 | :p.Queries the contents of the Boot Manager menu.
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| 244 |
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| 245 | :p.
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| 246 | :p.:hp7.Parameters:ehp7.
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| 247 | :parml break=all.
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| 248 | :pt.stem
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| 249 | :pd.The name of the stem variable in which the list of Boot Manager menu entries
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| 250 | will be stored. After RxLvmBootMgrMenu returns successfully, :hp1.stem:ehp1..0
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| 251 | will contain an integer :hp1.n:ehp1., indicating the number of menu entries
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| 252 | found; and :hp1.stem:ehp1..1 through :hp1.stem.n:ehp1. will each contain data
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| 253 | describing a single menu entry, in the format&colon.
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| 254 | :p.:hp1.handle type name:ehp1.
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| 255 | :p.The meanings of the various fields are&colon.
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| 256 |
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| 257 | :dl break=fit tsize=13.
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| 258 | :dt.:hp1.handle:ehp1.
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| 259 | :dd.The handle of the bootable volume or partition (a unique 8-digit hexadecimal
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| 260 | string).
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| 261 |
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| 262 | :dt.:hp1.type:ehp1.
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| 263 | :dd.A flag indicating whether the menu entry describes a volume or a non-volume
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| 264 | partition. This is one of the following values&colon.
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| 265 | :dl compact tsize=4 break=none.
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| 266 | :dt.1
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| 267 | :dd.This entry is a volume
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| 268 | :dt.0
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| 269 | :dd.This entry is a non-volume partition
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| 270 | :edl.
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| 271 |
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| 272 | :dt.:hp1.name:ehp1.
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| 273 | :dd.The name of the bootable volume or partition. This is a string of up to 20
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| 274 | characters, and may contain spaces and punctuation marks.
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| 275 | :edl.
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| 276 | :eparml.
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| 277 |
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| 278 | :p.
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| 279 | :p.:hp7.Returns:ehp7.
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| 280 | :p.RxLvmBootMgrMenu returns 1, or an LVM error message.
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| 281 |
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| 282 | :p.
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| 283 | :p.:hp7.Example:ehp7.
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| 284 | :xmp.
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| 285 | qm = RxLvmBootMgrMenu('menu.')
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| 286 | IF LEFT( qm, 6 ) == 'ERROR&colon.' THEN DO
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| 287 | PARSE VAR qm 'ERROR&colon. ' lvm_error
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| 288 | SAY 'LVM.DLL returned error code' lvm_error
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| 289 | RETURN lvm_error
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| 290 | END
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| 291 | SAY 'Boot Manager menu contains' menu.0 'entries&colon.'
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| 292 | DO i = 1 TO menu.0
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| 293 | SAY ' ' menu.i
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| 294 | END
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| 295 | :exmp.
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| 296 | :p.The following is a sample of output from the example above&colon.
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| 297 | :xmp.
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| 298 | The Boot Manager menu contains 3 entries&colon.
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| 299 | FC04D5A7 1 System
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| 300 | FC047F87 0 Windows 2000
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| 301 | FC04D4E7 1 Maintenance
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| 302 | :exmp.
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| 303 |
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| 304 |
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| 305 | .* ----------------------------------------------------------------------------
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| 306 | :h2 x=left y=bottom width=100% height=100% id=rxlvmdropfuncs.RxLvmDropFuncs
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| 307 | :p.:hp7.Syntax:ehp7.
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| 308 | :cgraphic.
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| 309 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
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| 310 | ³ ³
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| 311 | ³ &rahead.&rahead.ÄÄÄRxLvmDropFuncsÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
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| 312 | ³ ³
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| 313 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
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| 314 | :ecgraphic.
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| 315 |
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| 316 | :p.:hp7.Description:ehp7.
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| 317 | :p.Deregisters all RxLVM API functions.
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| 318 |
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| 319 | :p.
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| 320 | :p.:hp7.Parameters:ehp7.
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| 321 | :p.None.
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| 322 |
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| 323 | :p.
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| 324 | :p.:hp7.Returns:ehp7.
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| 325 | :p.RxLvmDropFuncs returns the empty string ("").
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| 326 |
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| 327 | :p.
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| 328 | :p.:hp7.Example:ehp7.
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| 329 | :xmp.
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| 330 | CALL RxLvmDropFuncs
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| 331 | :exmp.
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| 332 |
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| 333 |
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| 334 | .* ----------------------------------------------------------------------------
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| 335 | :h2 x=left y=bottom width=100% height=100% id=rxlvmengineclose.RxLvmEngineClose
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| 336 | :p.:hp7.Syntax:ehp7.
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| 337 | :cgraphic.
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| 338 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
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| 339 | ³ ³
|
|---|
| 340 | ³ &rahead.&rahead.ÄÄÄRxLvmEngineCloseÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 341 | ³ ³
|
|---|
| 342 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 343 | :ecgraphic.
|
|---|
| 344 |
|
|---|
| 345 | :p.:hp7.Description:ehp7.
|
|---|
| 346 | :p.Closes the LVM engine. Always call this function once your REXX program
|
|---|
| 347 | is finished accessing LVM.
|
|---|
| 348 |
|
|---|
| 349 | :p.
|
|---|
| 350 | :p.:hp7.Parameters:ehp7.
|
|---|
| 351 | :p.None.
|
|---|
| 352 |
|
|---|
| 353 | :p.
|
|---|
| 354 | :p.:hp7.Returns:ehp7.
|
|---|
| 355 | :p.RxLvmEngineClose returns the empty string ("").
|
|---|
| 356 |
|
|---|
| 357 | :p.
|
|---|
| 358 | :p.:hp7.Example:ehp7.
|
|---|
| 359 | :xmp.
|
|---|
| 360 | CALL RxLvmEngineClose
|
|---|
| 361 | :exmp.
|
|---|
| 362 |
|
|---|
| 363 |
|
|---|
| 364 | .* ----------------------------------------------------------------------------
|
|---|
| 365 | :h2 x=left y=bottom width=100% height=100% id=rxlvmengineopen.RxLvmEngineOpen
|
|---|
| 366 | :p.:hp7.Syntax:ehp7.
|
|---|
| 367 | :cgraphic.
|
|---|
| 368 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 369 | ³ ³
|
|---|
| 370 | ³ &rahead.&rahead.ÄÄÄRxLvmEngineOpenÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 371 | ³ ³
|
|---|
| 372 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 373 | :ecgraphic.
|
|---|
| 374 |
|
|---|
| 375 | :p.:hp7.Description:ehp7.
|
|---|
| 376 | :p.Opens the LVM engine. The LVM engine must be open in order to use any other
|
|---|
| 377 | RxLVM function except for RxLvmLoadFuncs, RxLvmDropFuncs, RxLvmVersion, and
|
|---|
| 378 | RxLvmRediscoverPRM.
|
|---|
| 379 |
|
|---|
| 380 | :p.Only one process at a time may have the LVM engine open. RxLvmEngineOpen
|
|---|
| 381 | will return an error (see below) if the LVM engine is open already.
|
|---|
| 382 | :p.
|
|---|
| 383 | :p.:hp7.Parameters:ehp7.
|
|---|
| 384 | :p.None.
|
|---|
| 385 |
|
|---|
| 386 | :p.
|
|---|
| 387 | :p.:hp7.Returns:ehp7.
|
|---|
| 388 | :p.RxLvmEngineOpen returns the empty string ("") or an LVM error message.
|
|---|
| 389 | :p.The LVM error code will normally be 5 if the LVM engine is already open
|
|---|
| 390 | under the current process; or 9 if it is open under a different process.
|
|---|
| 391 |
|
|---|
| 392 | :p.
|
|---|
| 393 | :p.:hp7.Example:ehp7.
|
|---|
| 394 | :xmp.
|
|---|
| 395 | open = RxLvmEngineOpen()
|
|---|
| 396 | IF open \= '' THEN DO
|
|---|
| 397 | PARSE VAR open 'ERROR&colon. ' lvm_error
|
|---|
| 398 | IF lvm_error \= '' THEN SAY 'LVM returned error code' lvm_error
|
|---|
| 399 | RETURN lvm_error
|
|---|
| 400 | END
|
|---|
| 401 | :exmp.
|
|---|
| 402 |
|
|---|
| 403 |
|
|---|
| 404 | .* ----------------------------------------------------------------------------
|
|---|
| 405 | :h2 x=left y=bottom width=100% height=100% id=rxlvmgetdisks.RxLvmGetDisks
|
|---|
| 406 | :p.:hp7.Syntax:ehp7.
|
|---|
| 407 | :cgraphic.
|
|---|
| 408 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 409 | ³ ³
|
|---|
| 410 | ³ &rahead.&rahead.ÄÄRxLvmGetDisks( stem )ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 411 | ³ ³
|
|---|
| 412 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 413 | :ecgraphic.
|
|---|
| 414 |
|
|---|
| 415 | :p.:hp7.Description:ehp7.
|
|---|
| 416 | :p.Gets a list of all physical disk drives recognized by the system.
|
|---|
| 417 |
|
|---|
| 418 | :p.
|
|---|
| 419 | :p.:hp7.Parameters:ehp7.
|
|---|
| 420 | :parml break=all.
|
|---|
| 421 | :pt.stem
|
|---|
| 422 | :pd.The name of the stem variable in which the list of disks will be stored.
|
|---|
| 423 | After RxLvmGetDisks returns successfully, :hp1.stem:ehp1..0 will contain an
|
|---|
| 424 | integer :hp1.n:ehp1., indicating the number of disks found; and
|
|---|
| 425 | :hp1.stem:ehp1..1 through :hp1.stem.n:ehp1. will each contain data
|
|---|
| 426 | describing a single disk, in the format&colon.
|
|---|
| 427 | :p.:hp1.handle number size unuseable corrupt removeable serial name:ehp1.
|
|---|
| 428 | :p.The meanings of the various fields are&colon.
|
|---|
| 429 |
|
|---|
| 430 | :dl break=fit tsize=13.
|
|---|
| 431 | :dt.:hp1.handle:ehp1.
|
|---|
| 432 | :dd.The disk's handle (a unique 8-digit hexadecimal string).
|
|---|
| 433 |
|
|---|
| 434 | :dt.:hp1.number:ehp1.
|
|---|
| 435 | :dd.The number assigned to the disk drive by LVM. This is a positive integer,
|
|---|
| 436 | where 1 represents the first disk.
|
|---|
| 437 |
|
|---|
| 438 | :dt.:hp1.size:ehp1.
|
|---|
| 439 | :dd.The total size of the disk, in megabytes (1 megabyte = 1,048,576 bytes).
|
|---|
| 440 |
|
|---|
| 441 | :dt.:hp1.unuseable:ehp1.
|
|---|
| 442 | :dd.A flag indicating whether the disk drive is reported "unuseable" (i.e.
|
|---|
| 443 | inaccessible) by LVM. This is one of the following values&colon.
|
|---|
| 444 | :dl compact tsize=4 break=none.
|
|---|
| 445 | :dt.0
|
|---|
| 446 | :dd.The disk drive is useable
|
|---|
| 447 | :dt.1
|
|---|
| 448 | :dd.The disk drive is currently being reported as unuseable
|
|---|
| 449 | :edl.
|
|---|
| 450 |
|
|---|
| 451 | :dt.:hp1.corrupt:ehp1.
|
|---|
| 452 | :dd.A flag indicating whether the disk drive has a corrupted partition table
|
|---|
| 453 | (as reported by LVM). This is one of the following values&colon.
|
|---|
| 454 | :dl compact tsize=4 break=none.
|
|---|
| 455 | :dt.0
|
|---|
| 456 | :dd.The partition table is correct
|
|---|
| 457 | :dt.1
|
|---|
| 458 | :dd.The partition table is being reported as corrupt
|
|---|
| 459 | :edl.
|
|---|
| 460 |
|
|---|
| 461 | :dt.:hp1.removeable:ehp1.
|
|---|
| 462 | :dd.This flag indicates whether or not the disk drive is a removeable media
|
|---|
| 463 | device. This is one of the following values&colon.
|
|---|
| 464 | :dl compact tsize=4 break=none.
|
|---|
| 465 | :dt.0
|
|---|
| 466 | :dd.Normal disk drive
|
|---|
| 467 | :dt.1
|
|---|
| 468 | :dd.Partitionable removeable media device
|
|---|
| 469 | :dt.2
|
|---|
| 470 | :dd."Big floppy" type removeable media (e.g. LS-120 super-diskette)
|
|---|
| 471 | :edl.
|
|---|
| 472 |
|
|---|
| 473 | :dt.:hp1.serial:ehp1.
|
|---|
| 474 | :dd.The serial number reported by the disk drive. This is an integer value.
|
|---|
| 475 |
|
|---|
| 476 | :dt.:hp1.name:ehp1.
|
|---|
| 477 | :dd.The disk's name. This is a string of up to 20 characters, and may contain
|
|---|
| 478 | spaces and punctuation marks.
|
|---|
| 479 | :edl.
|
|---|
| 480 | :eparml.
|
|---|
| 481 |
|
|---|
| 482 | :p.
|
|---|
| 483 | :p.:hp7.Returns:ehp7.
|
|---|
| 484 | :p.RxLvmGetDisks returns 1, or an LVM error message.
|
|---|
| 485 |
|
|---|
| 486 | :p.
|
|---|
| 487 | :p.:hp7.Example:ehp7.
|
|---|
| 488 | :xmp.
|
|---|
| 489 | qd = RxLvmGetDisks("disks.")
|
|---|
| 490 | IF LEFT( qd, 6 ) == 'ERROR&colon.' THEN DO
|
|---|
| 491 | PARSE VAR qd 'ERROR&colon. ' lvm_error
|
|---|
| 492 | SAY 'LVM.DLL returned error code' lvm_error
|
|---|
| 493 | RETURN lvm_error
|
|---|
| 494 | END
|
|---|
| 495 | SAY disks.0 'disks found&colon.'
|
|---|
| 496 | DO i = 1 TO disks.0
|
|---|
| 497 | SAY ' ' disks.i
|
|---|
| 498 | END
|
|---|
| 499 | :exmp.
|
|---|
| 500 | :p.The following is a sample of output from the example above&colon.
|
|---|
| 501 | :xmp.
|
|---|
| 502 | 3 volumes found&colon.
|
|---|
| 503 | FC047717 1 156327 0 0 0 890692272 [ D1 ]
|
|---|
| 504 | FC047767 2 156327 0 0 0 700276006 [ D2 ]
|
|---|
| 505 | FC0477B7 3 0 1 0 1 0 [ D3 ]
|
|---|
| 506 | :exmp.
|
|---|
| 507 |
|
|---|
| 508 |
|
|---|
| 509 | .* ----------------------------------------------------------------------------
|
|---|
| 510 | :h2 x=left y=bottom width=100% height=100% id=rxlvmgetpartitions.RxLvmGetPartitions
|
|---|
| 511 | :p.:hp7.Syntax:ehp7.
|
|---|
| 512 | :cgraphic.
|
|---|
| 513 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 514 | ³ ³
|
|---|
| 515 | ³ &rahead.&rahead. ÄÄRxLvmGetPartitions( handle, stem )ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 516 | ³ ³
|
|---|
| 517 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 518 | :ecgraphic.
|
|---|
| 519 |
|
|---|
| 520 | :p.:hp7.Description:ehp7.
|
|---|
| 521 | :p.Gets a list of all partitions on the specified disk or in the specified
|
|---|
| 522 | volume. Note that the term "partition" in this context includes contiguous
|
|---|
| 523 | regions of free space as well as allocated partitions.
|
|---|
| 524 |
|
|---|
| 525 | :p.
|
|---|
| 526 | :p.:hp7.Parameters:ehp7.
|
|---|
| 527 | :parml break=all.
|
|---|
| 528 | :pt.handle
|
|---|
| 529 | :pd.The handle of the volume or disk drive whose partitions are to be returned.
|
|---|
| 530 |
|
|---|
| 531 | :pt.stem
|
|---|
| 532 | :pd.The name of the stem variable in which the list of partitions will be
|
|---|
| 533 | stored. After RxLvmGetPartitions returns successfully, :hp1.stem:ehp1..0
|
|---|
| 534 | will contain an integer :hp1.n:ehp1., indicating the number of volumes found;
|
|---|
| 535 | and :hp1.stem:ehp1..1 through :hp1.stem.n:ehp1. will each contain data
|
|---|
| 536 | describing a single partition, in the format&colon.
|
|---|
| 537 | :p.:hp1.handle diskhandle volhandle status filesystem size OS bootable name:ehp1.
|
|---|
| 538 | :p.The meanings of the various fields are&colon.
|
|---|
| 539 |
|
|---|
| 540 | :dl break=fit tsize=13.
|
|---|
| 541 | :dt.:hp1.handle:ehp1.
|
|---|
| 542 | :dd.The partition's handle (a unique 8-digit hexadecimal string).
|
|---|
| 543 |
|
|---|
| 544 | :dt.:hp1.diskhandle:ehp1.
|
|---|
| 545 | :dd.The handle of the disk drive on which the partition resides (a unique 8-digit
|
|---|
| 546 | hexadecimal string).
|
|---|
| 547 |
|
|---|
| 548 | :dt.:hp1.volhandle:ehp1.
|
|---|
| 549 | :dd.The handle of the volume to which the partition belongs (a unique 8-digit
|
|---|
| 550 | hexadecimal string). This will be 00000000 if the partition does not belong to
|
|---|
| 551 | any volume.
|
|---|
| 552 |
|
|---|
| 553 | :dt.:hp1.status:ehp1.
|
|---|
| 554 | :dd.A flag indicating the partition status. This is one of the following
|
|---|
| 555 | values&colon.
|
|---|
| 556 | :dl compact tsize=4 break=none.
|
|---|
| 557 | :dt.F
|
|---|
| 558 | :dd.Free space
|
|---|
| 559 | :dt.A
|
|---|
| 560 | :dd.Available, i.e. the partition does not currently belong to any volume.
|
|---|
| 561 | :dt.U
|
|---|
| 562 | :dd.The partition does not belong to a volume, but is marked as "in use" by the
|
|---|
| 563 | LVM engine (this normally applies to the Boot Manager partition).
|
|---|
| 564 | :dt.C
|
|---|
| 565 | :dd.The partition is a standard-type (or "compatibility") volume.
|
|---|
| 566 | :dt.L
|
|---|
| 567 | :dd.The partition belongs to an advanced-type (or "LVM") volume.
|
|---|
| 568 | :dt.?
|
|---|
| 569 | :dd.The partition status could not be determined.
|
|---|
| 570 | :edl.
|
|---|
| 571 |
|
|---|
| 572 | :dt.:hp1.filesystem:ehp1.
|
|---|
| 573 | :dd.The file system currently in use on the partition, or ? if the file system
|
|---|
| 574 | could not be determined (for instance, in the case of free space).
|
|---|
| 575 | :nt.To allow for correct parsing, RxLVM will replace any spaces in the file
|
|---|
| 576 | system name with the byte value 0xFF (which corresponds to "non-breaking space"
|
|---|
| 577 | under most system codepages).:ent.
|
|---|
| 578 |
|
|---|
| 579 | :dt.:hp1.size:ehp1.
|
|---|
| 580 | :dd.The accessible size of the partition, in megabytes (1 megabyte = 1,048,576
|
|---|
| 581 | bytes).
|
|---|
| 582 |
|
|---|
| 583 | :dt.:hp1.OS:ehp1.
|
|---|
| 584 | :dd.The "operating system flag" (also known as the "partition type" flag) reported
|
|---|
| 585 | by the partition. This is a two-digit hexadecimal byte value.
|
|---|
| 586 |
|
|---|
| 587 | :dt.:hp1.bootable:ehp1.
|
|---|
| 588 | :dd.The partition's bootable flag. This is one of the following values&colon.
|
|---|
| 589 | :dl compact tsize=4 break=none.
|
|---|
| 590 | :dt.B
|
|---|
| 591 | :dd.Bootable (partition appears on the Boot Manager menu, either by itself or as
|
|---|
| 592 | a volume)
|
|---|
| 593 | :dt.S
|
|---|
| 594 | :dd.Startable (partition is directly bootable, or "active")
|
|---|
| 595 | :dt.I
|
|---|
| 596 | :dd.Installable (partition reports an "installable" flag set by the IBM OS/2 installer)
|
|---|
| 597 | :dt.N
|
|---|
| 598 | :dd.None (partition is not bootable)
|
|---|
| 599 | :edl.
|
|---|
| 600 |
|
|---|
| 601 | :dt.:hp1.name:ehp1.
|
|---|
| 602 | :dd.The partition's name. This is a string of up to 20 characters, and may contain
|
|---|
| 603 | spaces and punctuation marks.
|
|---|
| 604 | :edl.
|
|---|
| 605 | :eparml.
|
|---|
| 606 |
|
|---|
| 607 | :p.
|
|---|
| 608 | :p.:hp7.Returns:ehp7.
|
|---|
| 609 | :p.RxLvmGetPartitions returns the empty string ("") or an LVM error message.
|
|---|
| 610 |
|
|---|
| 611 | :p.
|
|---|
| 612 | :p.:hp7.Example:ehp7.
|
|---|
| 613 | :xmp.
|
|---|
| 614 | qd = RxLvmGetDisks('disks.')
|
|---|
| 615 | IF LEFT( qd, 6 ) == 'ERROR&colon.' THEN DO
|
|---|
| 616 | PARSE VAR qd 'ERROR&colon. ' lvm_error
|
|---|
| 617 | SAY 'LVM.DLL returned error code' lvm_error
|
|---|
| 618 | RETURN lvm_error
|
|---|
| 619 | END
|
|---|
| 620 | DO i = 1 TO disks.0
|
|---|
| 621 | SAY 'Partitions on Disk' i'&colon.'
|
|---|
| 622 | PARSE VAR disks.i handle .
|
|---|
| 623 | pd = RxLvmGetPartitions( handle, 'parts.')
|
|---|
| 624 | IF LEFT( pd, 6 ) == 'ERROR&colon.' THEN DO
|
|---|
| 625 | PARSE VAR pd 'ERROR&colon. ' lvm_error
|
|---|
| 626 | SAY 'LVM.DLL returned error code' lvm_error
|
|---|
| 627 | RETURN lvm_error
|
|---|
| 628 | END
|
|---|
| 629 | DO j = 1 TO parts.0
|
|---|
| 630 | SAY ' ' parts.j
|
|---|
| 631 | END
|
|---|
| 632 | END
|
|---|
| 633 | :exmp.
|
|---|
| 634 | :p.The following is a sample of output from the example above&colon.
|
|---|
| 635 | :xmp.
|
|---|
| 636 | Partitions on Disk 1&colon.
|
|---|
| 637 | FC177D47 FC177717 00000000 U Boot&house.Manager 7 0A S [ BOOT MANAGER ]
|
|---|
| 638 | FC177C67 FC177717 FC179B17 C HPFS 2047 07 B OS/2
|
|---|
| 639 | FC177F87 FC177717 00000000 A NTFS-H 19092 17 B Windows 2000
|
|---|
| 640 | FC176197 FC177717 FC1788D7 L JFS 102404 35 N PROGRAMS
|
|---|
| 641 | FC1776F7 FC177717 FC178B77 L HPFS 32771 35 N FILES
|
|---|
| 642 | Partitions on Disk 2&colon.
|
|---|
| 643 | FC176297 FC177767 FC179BB7 C FAT16-H 2000 16 N SADUMP
|
|---|
| 644 | FC1765B7 FC177767 FC179A57 C FAT16 2000 06 B SERVICE
|
|---|
| 645 | FC1767C7 FC177767 FC178BD7 L JFS 136001 35 N WORKING
|
|---|
| 646 | FC1768F7 FC177767 00000000 F ? 16321 00 N [ FS1 ]
|
|---|
| 647 | Partitions on disk 3&colon.
|
|---|
| 648 | FC177B37 FC1777B7 00000000 F ? 96 00 N [ FS2 ]
|
|---|
| 649 | :exmp.
|
|---|
| 650 | :nt.The &house. character is used here to represent byte value 0xFF, which will
|
|---|
| 651 | normally appear on screen as a space.:ent.
|
|---|
| 652 |
|
|---|
| 653 |
|
|---|
| 654 | .* ----------------------------------------------------------------------------
|
|---|
| 655 | :h2 x=left y=bottom width=100% height=100% id=rxlvmgetvolumes.RxLvmGetVolumes
|
|---|
| 656 | :p.:hp7.Syntax:ehp7.
|
|---|
| 657 | :cgraphic.
|
|---|
| 658 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 659 | ³ ³
|
|---|
| 660 | ³ &rahead.&rahead.ÄÄRxLvmGetVolumes( stem )ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 661 | ³ ³
|
|---|
| 662 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 663 | :ecgraphic.
|
|---|
| 664 |
|
|---|
| 665 | :p.:hp7.Description:ehp7.
|
|---|
| 666 | :p.Gets a list of all volumes defined on the system.
|
|---|
| 667 |
|
|---|
| 668 | :p.
|
|---|
| 669 | :p.:hp7.Parameters:ehp7.
|
|---|
| 670 | :parml break=all.
|
|---|
| 671 | :pt.stem
|
|---|
| 672 | :pd.The name of the stem variable in which the list of volumes will be stored.
|
|---|
| 673 | After RxLvmGetVolumes returns successfully, :hp1.stem:ehp1..0 will contain an
|
|---|
| 674 | integer :hp1.n:ehp1., indicating the number of volumes found; and
|
|---|
| 675 | :hp1.stem:ehp1..1 through :hp1.stem.n:ehp1. will each contain data
|
|---|
| 676 | describing a single volume, in the format&colon.
|
|---|
| 677 | :p.:hp1.handle letter prefletter filesystem size device type bootable name:ehp1.
|
|---|
| 678 | :p.The meanings of the various fields are&colon.
|
|---|
| 679 |
|
|---|
| 680 | :dl break=fit tsize=13.
|
|---|
| 681 | :dt.:hp1.handle:ehp1.
|
|---|
| 682 | :dd.The volume's handle (a unique 8-digit hexadecimal string).
|
|---|
| 683 |
|
|---|
| 684 | :dt.:hp1.letter:ehp1.
|
|---|
| 685 | :dd.The drive letter currently assigned to the volume. This is a single letter
|
|---|
| 686 | from A to Z, without a trailing colon. If the volume has no drive letter (which
|
|---|
| 687 | is the case for hidden volumes), a ? will appear instead.
|
|---|
| 688 |
|
|---|
| 689 | :dt.:hp1.prefletter:ehp1.
|
|---|
| 690 | :dd.The drive letter, without a colon, that the volume prefers to have (i.e.
|
|---|
| 691 | that the user has assigned to it). This may differ from its actual drive letter
|
|---|
| 692 | in the event of a conflict. As above, a ? will appear for hidden volumes. If
|
|---|
| 693 | the volume has a drive letter assignment that is not under the control of LVM
|
|---|
| 694 | (as is the case, for example, for CD or LAN drives), a * will appear instead.
|
|---|
| 695 |
|
|---|
| 696 | :dt.:hp1.filesystem:ehp1.
|
|---|
| 697 | :dd.The file system currently in use on the volume.
|
|---|
| 698 | :nt.To allow for correct parsing, RxLVM will replace any spaces in the file
|
|---|
| 699 | system name with the byte value 0xFF (which corresponds to "non-breaking space"
|
|---|
| 700 | under most system codepages).:ent.
|
|---|
| 701 |
|
|---|
| 702 | :dt.:hp1.size:ehp1.
|
|---|
| 703 | :dd.The total size of the volume, in megabytes (1 megabyte = 1,048,576 bytes).
|
|---|
| 704 |
|
|---|
| 705 | :dt.:hp1.device:ehp1.
|
|---|
| 706 | :dd.The type of device on which the volume resides. This is one of the
|
|---|
| 707 | following values&colon.
|
|---|
| 708 | :dl compact tsize=6 break=none.
|
|---|
| 709 | :dt.HDD
|
|---|
| 710 | :dd.Hard disk drive
|
|---|
| 711 | :dt.PRM
|
|---|
| 712 | :dd.Partitionable removeable media
|
|---|
| 713 | :dt.CD
|
|---|
| 714 | :dd.CD/DVD drive (not controlled by LVM)
|
|---|
| 715 | :dt.LAN
|
|---|
| 716 | :dd.LAN drive (not controlled by LVM)
|
|---|
| 717 | :dt.?
|
|---|
| 718 | :dd.Unknown device type (not controlled by LVM)
|
|---|
| 719 | :edl.
|
|---|
| 720 |
|
|---|
| 721 | :dt.:hp1.type:ehp1.
|
|---|
| 722 | :dd.A flag indicating the volume type. This is one of the following
|
|---|
| 723 | values&colon.
|
|---|
| 724 | :dl compact tsize=4 break=none.
|
|---|
| 725 | :dt.0
|
|---|
| 726 | :dd.A standard (or "compatibility") volume
|
|---|
| 727 | :dt.1
|
|---|
| 728 | :dd.An advanced (or "LVM") volume
|
|---|
| 729 | :edl.
|
|---|
| 730 |
|
|---|
| 731 | :dt.:hp1.bootable:ehp1.
|
|---|
| 732 | :dd.The volume's bootable flag. This is one of the following values&colon.
|
|---|
| 733 | :dl compact tsize=4 break=none.
|
|---|
| 734 | :dt.B
|
|---|
| 735 | :dd.Bootable (volume appears on the Boot Manager menu)
|
|---|
| 736 | :dt.S
|
|---|
| 737 | :dd.Startable (volume is directly bootable, or "active")
|
|---|
| 738 | :dt.I
|
|---|
| 739 | :dd.Installable (volume reports an "installable" flag set by the IBM OS/2 installer)
|
|---|
| 740 | :dt.N
|
|---|
| 741 | :dd.None (volume is not bootable)
|
|---|
| 742 | :edl.
|
|---|
| 743 |
|
|---|
| 744 | :dt.:hp1.name:ehp1.
|
|---|
| 745 | :dd.The volume's name. This is a string of up to 20 characters, and may contain
|
|---|
| 746 | spaces and punctuation marks.
|
|---|
| 747 | :edl.
|
|---|
| 748 | :eparml.
|
|---|
| 749 |
|
|---|
| 750 | :p.
|
|---|
| 751 | :p.:hp7.Returns:ehp7.
|
|---|
| 752 | :p.RxLvmGetVolumes returns 1, or an LVM error message.
|
|---|
| 753 |
|
|---|
| 754 | :p.
|
|---|
| 755 | :p.:hp7.Example:ehp7.
|
|---|
| 756 | :xmp.
|
|---|
| 757 | qv = RxLvmGetVolumes("vols.")
|
|---|
| 758 | IF LEFT( qv, 6 ) == 'ERROR&colon.' THEN DO
|
|---|
| 759 | PARSE VAR qv 'ERROR&colon. ' lvm_error
|
|---|
| 760 | SAY 'LVM.DLL returned error code' lvm_error
|
|---|
| 761 | RETURN lvm_error
|
|---|
| 762 | END
|
|---|
| 763 | SAY vols.0 'volumes found&colon.'
|
|---|
| 764 | DO i = 1 TO vols.0
|
|---|
| 765 | SAY ' ' vols.i
|
|---|
| 766 | END
|
|---|
| 767 | :exmp.
|
|---|
| 768 | :p.The following is a sample of output from the example above&colon.
|
|---|
| 769 | :xmp.
|
|---|
| 770 | 4 volumes found&colon.
|
|---|
| 771 | FC04D5A7 C C HPFS 2047 HDD 0 B System
|
|---|
| 772 | FC04D4E7 D D FAT16 2000 HDD 0 B Maintenance
|
|---|
| 773 | FC04C567 E E JFS 102404 HDD 1 N Applications
|
|---|
| 774 | FC04B0C7 H * CDFS 527 CD 0 N [ CDROM 1 ]
|
|---|
| 775 | :exmp.
|
|---|
| 776 |
|
|---|
| 777 |
|
|---|
| 778 | .* ----------------------------------------------------------------------------
|
|---|
| 779 | :h2 x=left y=bottom width=100% height=100% id=rxlvmloadfuncs.RxLvmLoadFuncs
|
|---|
| 780 | :p.:hp7.Syntax:ehp7.
|
|---|
| 781 | :cgraphic.
|
|---|
| 782 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 783 | ³ ³
|
|---|
| 784 | ³ &rahead.&rahead.ÄÄÄRxLvmLoadFuncsÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 785 | ³ ³
|
|---|
| 786 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 787 | :ecgraphic.
|
|---|
| 788 |
|
|---|
| 789 | :p.:hp7.Description:ehp7.
|
|---|
| 790 | :p.Registers all other RxLVM API functions.
|
|---|
| 791 |
|
|---|
| 792 | :p.
|
|---|
| 793 | :p.:hp7.Parameters:ehp7.
|
|---|
| 794 | :p.None.
|
|---|
| 795 |
|
|---|
| 796 | :p.
|
|---|
| 797 | :p.:hp7.Returns:ehp7.
|
|---|
| 798 | :p.RxLvmLoadFuncs returns the empty string ("").
|
|---|
| 799 |
|
|---|
| 800 | :p.
|
|---|
| 801 | :p.:hp7.Example:ehp7.
|
|---|
| 802 | :xmp.
|
|---|
| 803 | CALL RxFuncAdd 'RxLvmLoadFuncs', 'RXLVM', 'RxLvmLoadFuncs'
|
|---|
| 804 | CALL RxLvmLoadFuncs
|
|---|
| 805 | :exmp.
|
|---|
| 806 |
|
|---|
| 807 |
|
|---|
| 808 | .* ----------------------------------------------------------------------------
|
|---|
| 809 | :h2 x=left y=bottom width=100% height=100% id=rxlvmrediscoverprm.RxLvmRediscoverPRM
|
|---|
| 810 | :p.:hp7.Syntax:ehp7.
|
|---|
| 811 | :cgraphic.
|
|---|
| 812 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 813 | ³ ³
|
|---|
| 814 | ³ &rahead.&rahead.ÄÄÄRxLvmRediscoverPRMÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 815 | ³ ³
|
|---|
| 816 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 817 | :ecgraphic.
|
|---|
| 818 |
|
|---|
| 819 | :p.:hp7.Description:ehp7.
|
|---|
| 820 | :p.Checks to see if any partitionable removeable media devices (such as Zip
|
|---|
| 821 | disks or USB mass-storage devices) have been inserted since the last time such
|
|---|
| 822 | a check was done.
|
|---|
| 823 | :p.A check for removeable media is done whenever this function is called,
|
|---|
| 824 | whenever the system is booted, or whenever the LVM engine is opened.
|
|---|
| 825 |
|
|---|
| 826 | :nt.RxLvmRediscoverPRM requires the LVM engine to be closed. It will fail if
|
|---|
| 827 | the LVM engine is already open (by any program).:ent.
|
|---|
| 828 |
|
|---|
| 829 | :p.
|
|---|
| 830 | :p.:hp7.Parameters:ehp7.
|
|---|
| 831 | :p.None.
|
|---|
| 832 |
|
|---|
| 833 | :p.
|
|---|
| 834 | :p.:hp7.Returns:ehp7.
|
|---|
| 835 | :p.RxLvmRediscoverPRM returns the empty string ("") or an LVM error message.
|
|---|
| 836 |
|
|---|
| 837 | :p.
|
|---|
| 838 | :p.:hp7.Example:ehp7.
|
|---|
| 839 | :xmp.
|
|---|
| 840 | discovery = RxLvmRediscoverPRM()
|
|---|
| 841 | IF discovery \= '' THEN DO
|
|---|
| 842 | PARSE VAR discovery 'ERROR&colon. ' lvm_error
|
|---|
| 843 | IF lvm_error \= '' THEN SAY 'LVM returned error code' lvm_error
|
|---|
| 844 | END
|
|---|
| 845 | :exmp.
|
|---|
| 846 |
|
|---|
| 847 |
|
|---|
| 848 | .* ----------------------------------------------------------------------------
|
|---|
| 849 | :h2 x=left y=bottom width=100% height=100% id=rxlvmversion.RxLvmVersion
|
|---|
| 850 | :p.:hp7.Syntax:ehp7.
|
|---|
| 851 | :cgraphic.
|
|---|
| 852 | ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 853 | ³ ³
|
|---|
| 854 | ³ &rahead.&rahead.ÄÄRxLvmVersionÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 855 | ³ ³
|
|---|
| 856 | ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 857 | :ecgraphic.
|
|---|
| 858 |
|
|---|
| 859 | :p.:hp7.Description:ehp7.
|
|---|
| 860 | :p.Queries the current version of the RxLVM library.
|
|---|
| 861 |
|
|---|
| 862 | :p.
|
|---|
| 863 | :p.:hp7.Parameters:ehp7.
|
|---|
| 864 | :p.None.
|
|---|
| 865 |
|
|---|
| 866 | :p.
|
|---|
| 867 | :p.:hp7.Returns:ehp7.
|
|---|
| 868 | :p.RxLvmVersion returns a version string of the form
|
|---|
| 869 | ":hp1.x:ehp1..:hp1.y:ehp1..:hp1.z:ehp1.", where :hp1.x:ehp1., :hp1.y:ehp1., and
|
|---|
| 870 | :hp1.z:ehp1. are each a positive number indicating the major version, minor
|
|---|
| 871 | version, and refresh level, respectively, of the RxLVM library. Note that
|
|---|
| 872 | :hp1.x:ehp1., :hp1.y:ehp1., and :hp1.z:ehp1. may each contain any number of
|
|---|
| 873 | digits.
|
|---|
| 874 |
|
|---|
| 875 | :p.
|
|---|
| 876 | :p.:hp7.Example:ehp7.
|
|---|
| 877 | :xmp.
|
|---|
| 878 | PARSE VALUE RxLvmVersion() WITH major '.' minor '.' refresh
|
|---|
| 879 | SAY 'Current RXLVM.DLL version is' major'.'minor 'refresh level' refresh
|
|---|
| 880 | :exmp.
|
|---|
| 881 |
|
|---|
| 882 |
|
|---|
| 883 |
|
|---|
| 884 | .******************************************************************************
|
|---|
| 885 | :h1 x=left y=bottom width=100% height=100% id=lvmcodes.Error Codes Returned by LVM
|
|---|
| 886 | :p.The application interface to the LVM engine resides in the system library
|
|---|
| 887 | LVM.DLL, and is used by RxLVM for all LVM-specific functions.
|
|---|
| 888 |
|
|---|
| 889 | :p.LVM.DLL defines almost 50 different return codes for various error conditions.
|
|---|
| 890 | When an LVM error occurs, RxLVM returns a specially-formatted
|
|---|
| 891 | :link reftype=hd refid=errorstrings.error message:elink. containing the LVM
|
|---|
| 892 | return code. The various codes are listed below.
|
|---|
| 893 |
|
|---|
| 894 | :nt.Since RxLVM does not implement a large number of LVM functions, many of these
|
|---|
| 895 | error conditions will never be encountered. However, all known error codes are
|
|---|
| 896 | included here for the sake of completeness.:ent.
|
|---|
| 897 |
|
|---|
| 898 | :table cols='6 74'.
|
|---|
| 899 | :row.
|
|---|
| 900 | :c.ERROR
|
|---|
| 901 | :c.CONDITION
|
|---|
| 902 | :row.
|
|---|
| 903 | :c.0
|
|---|
| 904 | :c.No error (operation succeeded)
|
|---|
| 905 | :row.
|
|---|
| 906 | :c.1
|
|---|
| 907 | :c.Out of memory
|
|---|
| 908 | :row.
|
|---|
| 909 | :c.2
|
|---|
| 910 | :c.I/O error
|
|---|
| 911 | :row.
|
|---|
| 912 | :c.3
|
|---|
| 913 | :c.Invalid handle
|
|---|
| 914 | :row.
|
|---|
| 915 | :c.4
|
|---|
| 916 | :c.Internal error
|
|---|
| 917 | :row.
|
|---|
| 918 | :c.5
|
|---|
| 919 | :c.LVM engine already open (i.e. by the current process)
|
|---|
| 920 | :row.
|
|---|
| 921 | :c.6
|
|---|
| 922 | :c.LVM engine not open
|
|---|
| 923 | :row.
|
|---|
| 924 | :c.7
|
|---|
| 925 | :c.Name exceeds maximum length
|
|---|
| 926 | :row.
|
|---|
| 927 | :c.8
|
|---|
| 928 | :c.Operation not allowed
|
|---|
| 929 | :row.
|
|---|
| 930 | :c.9
|
|---|
| 931 | :c.Drive open failure (another process may have the LVM engine open)
|
|---|
| 932 | :row.
|
|---|
| 933 | :c.10
|
|---|
| 934 | :c.Bad partition
|
|---|
| 935 | :row.
|
|---|
| 936 | :c.11
|
|---|
| 937 | :c.Cannot create primary partition using requested parameters
|
|---|
| 938 | :row.
|
|---|
| 939 | :c.12
|
|---|
| 940 | :c.Too many primary partitions
|
|---|
| 941 | :row.
|
|---|
| 942 | :c.13
|
|---|
| 943 | :c.Cannot create logical partition using requested parameters
|
|---|
| 944 | :row.
|
|---|
| 945 | :c.14
|
|---|
| 946 | :c.Requested size too large
|
|---|
| 947 | :row.
|
|---|
| 948 | :c.15
|
|---|
| 949 | :c.1024 cylinder boot limit reported by system
|
|---|
| 950 | :row.
|
|---|
| 951 | :c.16
|
|---|
| 952 | :c.Partition alignment error
|
|---|
| 953 | :row.
|
|---|
| 954 | :c.17
|
|---|
| 955 | :c.Requested size too small
|
|---|
| 956 | :row.
|
|---|
| 957 | :c.18
|
|---|
| 958 | :c.Not enough free space
|
|---|
| 959 | :row.
|
|---|
| 960 | :c.19
|
|---|
| 961 | :c.Unknown allocation algorithm specified
|
|---|
| 962 | :row.
|
|---|
| 963 | :c.20
|
|---|
| 964 | :c.Duplicate name
|
|---|
| 965 | :row.
|
|---|
| 966 | :c.21
|
|---|
| 967 | :c.Invalid name
|
|---|
| 968 | :row.
|
|---|
| 969 | :c.22
|
|---|
| 970 | :c.Invalid drive letter preference
|
|---|
| 971 | :row.
|
|---|
| 972 | :c.23
|
|---|
| 973 | :c.No drives found
|
|---|
| 974 | :row.
|
|---|
| 975 | :c.24
|
|---|
| 976 | :c.Wrong volume type
|
|---|
| 977 | :row.
|
|---|
| 978 | :c.25
|
|---|
| 979 | :c.Volume too small
|
|---|
| 980 | :row.
|
|---|
| 981 | :c.26
|
|---|
| 982 | :c.Boot Manager already installed
|
|---|
| 983 | :row.
|
|---|
| 984 | :c.27
|
|---|
| 985 | :c.Boot Manager not found
|
|---|
| 986 | :row.
|
|---|
| 987 | :c.28
|
|---|
| 988 | :c.Invalid parameter
|
|---|
| 989 | :row.
|
|---|
| 990 | :c.29
|
|---|
| 991 | :c.Bad feature set
|
|---|
| 992 | :row.
|
|---|
| 993 | :c.30
|
|---|
| 994 | :c.Too many partitions specified
|
|---|
| 995 | :row.
|
|---|
| 996 | :c.31
|
|---|
| 997 | :c.LVM (advanced) volumes are not bootable
|
|---|
| 998 | :row.
|
|---|
| 999 | :c.32
|
|---|
| 1000 | :c.Partition already in use
|
|---|
| 1001 | :row.
|
|---|
| 1002 | :c.33
|
|---|
| 1003 | :c.Partition could not be made bootable
|
|---|
| 1004 | :row.
|
|---|
| 1005 | :c.34
|
|---|
| 1006 | :c.Volume not found
|
|---|
| 1007 | :row.
|
|---|
| 1008 | :c.35
|
|---|
| 1009 | :c.Drive not found
|
|---|
| 1010 | :row.
|
|---|
| 1011 | :c.36
|
|---|
| 1012 | :c.Partition not found
|
|---|
| 1013 | :row.
|
|---|
| 1014 | :c.37
|
|---|
| 1015 | :c.Too many features active
|
|---|
| 1016 | :row.
|
|---|
| 1017 | :c.38
|
|---|
| 1018 | :c.Partition too small
|
|---|
| 1019 | :row.
|
|---|
| 1020 | :c.39
|
|---|
| 1021 | :c.Maximum number of partitions already in use
|
|---|
| 1022 | :row.
|
|---|
| 1023 | :c.40
|
|---|
| 1024 | :c.I/O request out of range
|
|---|
| 1025 | :row.
|
|---|
| 1026 | :c.41
|
|---|
| 1027 | :c.Partition not be made startable
|
|---|
| 1028 | :row.
|
|---|
| 1029 | :c.42
|
|---|
| 1030 | :c.Volume could not be made startable
|
|---|
| 1031 | :row.
|
|---|
| 1032 | :c.43
|
|---|
| 1033 | :c.ExtendFS request failed
|
|---|
| 1034 | :row.
|
|---|
| 1035 | :c.44
|
|---|
| 1036 | :c.Reboot required
|
|---|
| 1037 | :row.
|
|---|
| 1038 | :c.45
|
|---|
| 1039 | :c.Cannot open log file
|
|---|
| 1040 | :row.
|
|---|
| 1041 | :c.46
|
|---|
| 1042 | :c.Cannot write to log file
|
|---|
| 1043 | :row.
|
|---|
| 1044 | :c.47
|
|---|
| 1045 | :c.Rediscover removeable media failed
|
|---|
| 1046 | :etable.
|
|---|
| 1047 |
|
|---|
| 1048 |
|
|---|
| 1049 | .******************************************************************************
|
|---|
| 1050 | .* :h1 x=left y=bottom width=100% height=100% id=glossary.Glossary of Terms
|
|---|
| 1051 | .* :dl.
|
|---|
| 1052 | .* :dt.Bootable
|
|---|
| 1053 | .* :dt.Drive
|
|---|
| 1054 | .* :dt.Drive letter
|
|---|
| 1055 | .* :dt.ExtendFS
|
|---|
| 1056 | .* :dt.Handle
|
|---|
| 1057 | .* :dt.Installable
|
|---|
| 1058 | .* :dt.Partition
|
|---|
| 1059 | .* :dt.PRM
|
|---|
| 1060 | .* :dt.Startable
|
|---|
| 1061 | .* :dt.Volume
|
|---|
| 1062 | .* :dd.
|
|---|
| 1063 | .* :edl.
|
|---|
| 1064 |
|
|---|
| 1065 |
|
|---|
| 1066 | .* ----------------------------------------------------------------------------
|
|---|
| 1067 | .* :h2 x=left y=bottom width=100% height=100% id=.
|
|---|
| 1068 | .* :p.:hp7.Syntax:ehp7.
|
|---|
| 1069 | .* :cgraphic.
|
|---|
| 1070 | .* ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
|
|---|
| 1071 | .* ³ ³
|
|---|
| 1072 | .* ³ &rahead.&rahead.ÄÄ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ&rahead.&lahead. ³
|
|---|
| 1073 | .* ³ ³
|
|---|
| 1074 | .* ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
|
|---|
| 1075 | .* :ecgraphic.
|
|---|
| 1076 | .*
|
|---|
| 1077 | .* :p.:hp7.Description:ehp7.
|
|---|
| 1078 | .* :p.
|
|---|
| 1079 | .*
|
|---|
| 1080 | .* :p.
|
|---|
| 1081 | .* :p.:hp7.Parameters:ehp7.
|
|---|
| 1082 | .* :p.
|
|---|
| 1083 | .*
|
|---|
| 1084 | .* :p.
|
|---|
| 1085 | .* :p.:hp7.Returns:ehp7.
|
|---|
| 1086 | .* :p. returns the empty string ("") or an LVM error message.
|
|---|
| 1087 | .*
|
|---|
| 1088 | .* :p.
|
|---|
| 1089 | .* :p.:hp7.Example:ehp7.
|
|---|
| 1090 | .* :xmp.
|
|---|
| 1091 | .* :exmp.
|
|---|
| 1092 |
|
|---|
| 1093 | :euserdoc.
|
|---|
| 1094 |
|
|---|
| 1095 |
|
|---|
