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vfs_shadow_copy(8)                                          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:

       o  YYYY is the 4 digit year

       o  MM is the 2 digit month

       o  DD is the 2 digit day

       o  hh is the 2 digit hour

       o  mm is the 2 digit minute

       o  ss is the 2 digit second.



The vfs_shadow_copy snapshot naming convention can be produced with  the  fol-
lowing 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. Addi-
       tionally, if you need version control, implement a version control sys-
       tem.


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.




                                                            vfs_shadow_copy(8)

Mac OS X 10.6 - Generated Thu Sep 17 20:26:31 CDT 2009
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