| 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 v1.75.2 <http://docbook.sf.net/>
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| 5 | .\" Date: 12/14/2012
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| 6 | .\" Manual: System Administration tools
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| 7 | .\" Source: Samba 3.5
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| 8 | .\" Language: English
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| 9 | .\"
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| 10 | .TH "VFS_SHADOW_COPY" "8" "12/14/2012" "Samba 3\&.5" "System Administration tools"
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| 11 | .\" -----------------------------------------------------------------
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| 12 | .\" * set default formatting
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| 13 | .\" -----------------------------------------------------------------
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| 14 | .\" disable hyphenation
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| 15 | .nh
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| 16 | .\" disable justification (adjust text to left margin only)
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| 17 | .ad l
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| 18 | .\" -----------------------------------------------------------------
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| 19 | .\" * MAIN CONTENT STARTS HERE *
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| 20 | .\" -----------------------------------------------------------------
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| 21 | .SH "NAME"
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| 22 | vfs_shadow_copy \- Make a Samba share read only for a specified time period
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| 23 | .SH "SYNOPSIS"
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| 24 | .HP \w'\ 'u
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| 25 | vfs objects = shadow_copy
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| 26 | .SH "DESCRIPTION"
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| 27 | .PP
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| 28 | This VFS module is part of the
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| 29 | \fBsamba\fR(7)
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| 30 | suite\&.
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| 31 | .PP
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| 32 | The
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| 33 | vfs_shadow_copy
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| 34 | 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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| 35 | .PP
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| 36 | This module is stackable\&.
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| 37 | .SH "CONFIGURATION"
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| 38 | .PP
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| 39 | vfs_shadow_copy
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| 40 | relies on a filesystem snapshot implementation\&. Many common filesystems have native support for this\&.
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| 41 | .PP
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| 42 | Filesystem snapshots must be mounted on specially named directories in order to be recognized by
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| 43 | vfs_shadow_copy\&. The snapshot mount points must be immediate children of a the directory being shared\&.
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| 44 | .PP
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| 45 | The snapshot naming convention is @GMT\-YYYY\&.MM\&.DD\-hh\&.mm\&.ss, where:
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| 46 | .sp
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| 47 | .RS 4
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| 48 | .ie n \{\
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| 49 | \h'-04'\(bu\h'+03'\c
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| 50 | .\}
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| 51 | .el \{\
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| 52 | .sp -1
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| 53 | .IP \(bu 2.3
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| 54 | .\}
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| 55 | YYYY
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| 56 | is the 4 digit year
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| 57 | .RE
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| 58 | .sp
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| 59 | .RS 4
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| 60 | .ie n \{\
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| 61 | \h'-04'\(bu\h'+03'\c
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| 62 | .\}
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| 63 | .el \{\
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| 64 | .sp -1
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| 65 | .IP \(bu 2.3
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| 66 | .\}
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| 67 | MM
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| 68 | is the 2 digit month
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| 69 | .RE
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| 70 | .sp
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| 71 | .RS 4
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| 72 | .ie n \{\
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| 73 | \h'-04'\(bu\h'+03'\c
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| 74 | .\}
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| 75 | .el \{\
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| 76 | .sp -1
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| 77 | .IP \(bu 2.3
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| 78 | .\}
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| 79 | DD
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| 80 | is the 2 digit day
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| 81 | .RE
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| 82 | .sp
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| 83 | .RS 4
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| 84 | .ie n \{\
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| 85 | \h'-04'\(bu\h'+03'\c
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| 86 | .\}
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| 87 | .el \{\
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| 88 | .sp -1
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| 89 | .IP \(bu 2.3
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| 90 | .\}
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| 91 | hh
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| 92 | is the 2 digit hour
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| 93 | .RE
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| 94 | .sp
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| 95 | .RS 4
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| 96 | .ie n \{\
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| 97 | \h'-04'\(bu\h'+03'\c
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| 98 | .\}
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| 99 | .el \{\
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| 100 | .sp -1
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| 101 | .IP \(bu 2.3
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| 102 | .\}
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| 103 | mm
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| 104 | is the 2 digit minute
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| 105 | .RE
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| 106 | .sp
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| 107 | .RS 4
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| 108 | .ie n \{\
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| 109 | \h'-04'\(bu\h'+03'\c
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| 110 | .\}
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| 111 | .el \{\
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| 112 | .sp -1
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| 113 | .IP \(bu 2.3
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| 114 | .\}
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| 115 | ss
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| 116 | is the 2 digit second\&.
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| 117 | .sp
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| 118 | .RE
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| 119 | .PP
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| 120 | The
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| 121 | vfs_shadow_copy
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| 122 | snapshot naming convention can be produced with the following
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| 123 | \fBdate\fR(1)
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| 124 | command:
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| 125 | .sp
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| 126 | .if n \{\
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| 127 | .RS 4
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| 128 | .\}
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| 129 | .nf
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| 130 | TZ=GMT date +@GMT\-%Y\&.%m\&.%d\-%H\&.%M\&.%S
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| 131 |
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| 132 | .fi
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| 133 | .if n \{\
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| 134 | .RE
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| 135 | .\}
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| 136 | .SH "EXAMPLES"
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| 137 | .PP
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| 138 | Add shadow copy support to user home directories:
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| 139 | .sp
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| 140 | .if n \{\
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| 141 | .RS 4
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| 142 | .\}
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| 143 | .nf
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| 144 | \fI[homes]\fR
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| 145 | \m[blue]\fBvfs objects = shadow_copy\fR\m[]
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| 146 | .fi
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| 147 | .if n \{\
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| 148 | .RE
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| 149 | .\}
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| 150 | .SH "CAVEATS"
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| 151 | .PP
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| 152 | This is not a backup, archival, or version control solution\&.
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| 153 | .PP
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| 154 | With Samba or Windows servers,
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| 155 | vfs_shadow_copy
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| 156 | 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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| 157 | .SH "VERSION"
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| 158 | .PP
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| 159 | This man page is correct for version 3\&.0\&.25 of the Samba suite\&.
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| 160 | .SH "AUTHOR"
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| 161 | .PP
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| 162 | 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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