| 1 | '\" t
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| 2 | .\" Title: vfs_shadow_copy
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| 3 | .\" Author: [see the "AUTHOR" section]
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| 4 | .\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
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| 5 | .\" Date: 09/18/2013
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| 6 | .\" Manual: System Administration tools
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| 7 | .\" Source: Samba 3.6
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| 8 | .\" Language: English
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| 9 | .\"
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| 10 | .TH "VFS_SHADOW_COPY" "8" "09/18/2013" "Samba 3\&.6" "System Administration tools"
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| 11 | .\" -----------------------------------------------------------------
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| 12 | .\" * Define some portability stuff
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| 13 | .\" -----------------------------------------------------------------
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| 14 | .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 15 | .\" http://bugs.debian.org/507673
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| 16 | .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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| 17 | .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 18 | .ie \n(.g .ds Aq \(aq
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| 19 | .el .ds Aq '
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| 20 | .\" -----------------------------------------------------------------
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| 21 | .\" * set default formatting
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| 22 | .\" -----------------------------------------------------------------
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| 23 | .\" disable hyphenation
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| 24 | .nh
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| 25 | .\" disable justification (adjust text to left margin only)
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| 26 | .ad l
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| 27 | .\" -----------------------------------------------------------------
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| 28 | .\" * MAIN CONTENT STARTS HERE *
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| 29 | .\" -----------------------------------------------------------------
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| 30 | .SH "NAME"
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| 31 | vfs_shadow_copy \- Make a Samba share read only for a specified time period
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| 32 | .SH "SYNOPSIS"
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| 33 | .HP \w'\ 'u
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| 34 | vfs objects = shadow_copy
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| 35 | .SH "DESCRIPTION"
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| 36 | .PP
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| 37 | This VFS module is part of the
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| 38 | \fBsamba\fR(7)
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| 39 | suite\&.
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| 40 | .PP
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| 41 | The
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| 42 | vfs_shadow_copy
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| 43 | VFS module functionality that is similar to Microsoft Shadow Copy services\&. When setup properly, this module allows Microsoft Shadow Copy clients to browse "shadow copies" on Samba shares\&.
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| 44 | .PP
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| 45 | This module is stackable\&.
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| 46 | .SH "CONFIGURATION"
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| 47 | .PP
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| 48 | vfs_shadow_copy
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| 49 | relies on a filesystem snapshot implementation\&. Many common filesystems have native support for this\&.
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| 50 | .PP
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| 51 | Filesystem snapshots must be mounted on specially named directories in order to be recognized by
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| 52 | vfs_shadow_copy\&. The snapshot mount points must be immediate children of a the directory being shared\&.
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| 53 | .PP
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| 54 | The snapshot naming convention is @GMT\-YYYY\&.MM\&.DD\-hh\&.mm\&.ss, where:
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| 55 | .sp
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| 56 | .RS 4
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| 57 | .ie n \{\
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| 58 | \h'-04'\(bu\h'+03'\c
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| 59 | .\}
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| 60 | .el \{\
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| 61 | .sp -1
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| 62 | .IP \(bu 2.3
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| 63 | .\}
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| 64 | YYYY
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| 65 | is the 4 digit year
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| 66 | .RE
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| 67 | .sp
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| 68 | .RS 4
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| 69 | .ie n \{\
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| 70 | \h'-04'\(bu\h'+03'\c
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| 71 | .\}
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| 72 | .el \{\
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| 73 | .sp -1
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| 74 | .IP \(bu 2.3
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| 75 | .\}
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| 76 | MM
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| 77 | is the 2 digit month
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| 78 | .RE
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| 79 | .sp
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| 80 | .RS 4
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| 81 | .ie n \{\
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| 82 | \h'-04'\(bu\h'+03'\c
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| 83 | .\}
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| 84 | .el \{\
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| 85 | .sp -1
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| 86 | .IP \(bu 2.3
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| 87 | .\}
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| 88 | DD
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| 89 | is the 2 digit day
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| 90 | .RE
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| 91 | .sp
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| 92 | .RS 4
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| 93 | .ie n \{\
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| 94 | \h'-04'\(bu\h'+03'\c
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| 95 | .\}
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| 96 | .el \{\
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| 97 | .sp -1
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| 98 | .IP \(bu 2.3
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| 99 | .\}
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| 100 | hh
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| 101 | is the 2 digit hour
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| 102 | .RE
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| 103 | .sp
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| 104 | .RS 4
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| 105 | .ie n \{\
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| 106 | \h'-04'\(bu\h'+03'\c
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| 107 | .\}
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| 108 | .el \{\
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| 109 | .sp -1
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| 110 | .IP \(bu 2.3
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| 111 | .\}
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| 112 | mm
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| 113 | is the 2 digit minute
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| 114 | .RE
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| 115 | .sp
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| 116 | .RS 4
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| 117 | .ie n \{\
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| 118 | \h'-04'\(bu\h'+03'\c
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| 119 | .\}
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| 120 | .el \{\
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| 121 | .sp -1
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| 122 | .IP \(bu 2.3
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| 123 | .\}
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| 124 | ss
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| 125 | is the 2 digit second\&.
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| 126 | .RE
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| 127 | .sp
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| 128 | .RE
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| 129 | .PP
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| 130 | The
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| 131 | vfs_shadow_copy
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| 132 | snapshot naming convention can be produced with the following
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| 133 | \fBdate\fR(1)
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| 134 | command:
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| 135 | .sp
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| 136 | .if n \{\
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| 137 | .RS 4
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| 138 | .\}
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| 139 | .nf
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| 140 | TZ=GMT date +@GMT\-%Y\&.%m\&.%d\-%H\&.%M\&.%S
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| 141 |
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| 142 | .fi
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| 143 | .if n \{\
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| 144 | .RE
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| 145 | .\}
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| 146 | .SH "EXAMPLES"
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| 147 | .PP
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| 148 | Add shadow copy support to user home directories:
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| 149 | .sp
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| 150 | .if n \{\
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| 151 | .RS 4
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| 152 | .\}
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| 153 | .nf
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| 154 | \fI[homes]\fR
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| 155 | \m[blue]\fBvfs objects = shadow_copy\fR\m[]
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| 156 | .fi
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| 157 | .if n \{\
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| 158 | .RE
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| 159 | .\}
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| 160 | .SH "CAVEATS"
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| 161 | .PP
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| 162 | This is not a backup, archival, or version control solution\&.
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| 163 | .PP
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| 164 | With Samba or Windows servers,
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| 165 | vfs_shadow_copy
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| 166 | is designed to be an end\-user tool only\&. It does not replace or enhance your backup and archival solutions and should in no way be considered as such\&. Additionally, if you need version control, implement a version control system\&.
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| 167 | .SH "VERSION"
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| 168 | .PP
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| 169 | This man page is correct for version 3\&.0\&.25 of the Samba suite\&.
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| 170 | .SH "AUTHOR"
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| 171 | .PP
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| 172 | The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
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