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VFS_SHADOW_COPY(8)


NAME

  vfs_shadow_copy - Make a Samba share read only for a specified time period


SYNOPSIS

  vfs objects = shadow_copy


DESCRIPTION

  This VFS module is part of the samba(7) suite.

  The vfs_shadow_copy 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.

  This module is stackable.


CONFIGURATION

  vfs_shadow_copy relies on a filesystem snapshot implementation. Many common
  filesystems have native support for this.

  Filesystem snapshots must be mounted on specially named directories in
  order to be recognized by vfs_shadow_copy. The snapshot mount points must
  be immediate children of a the directory being shared.

  The snapshot naming convention is @GMT-YYYY.MM.DD-hh.mm.ss, where:

  •
     YYYY is the 4 digit year

  •
     MM is the 2 digit month

  •
     DD is the 2 digit day

  •
     hh is the 2 digit hour

  •
     mm is the 2 digit minute

  •
     ss is the 2 digit second.

  The vfs_shadow_copy snapshot naming convention can be produced with the
  following date(1) command:

	  TZ=GMT date +@GMT-%Y.%m.%d-%H.%M.%S


EXAMPLES

  Add shadow copy support to user home directories:

	  [homes]
	  vfs objects = shadow_copy


CAVEATS

  This is not a backup, archival, or version control solution.

  With Samba or Windows servers, vfs_shadow_copy 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.


VERSION

  This man page is correct for version 3.0.25 of the Samba suite.


AUTHOR

  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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