Diese Seite behandelt die erste Version von Samba shadow_copy. Inzwischen gibt es eine neue Implementierung: https://www.samba.org/samba/docs/man/manpages/vfs_shadow_copy2.8.html

====== Shadow Copies mit LVM ======
===== Samba für Shadow Copies konfigurieren =====

''/etc/samba/smb.conf'':
<file>
[shadow_share]
  comment = Shadow Copy Enabled Share
  path = /mnt/lv_test
  vfs objects = shadow_copy
  writeable = yes
  browseable = yes

</file>

===== Shadow Copy erstellen =====
  SNAPNAME=`date +%Y.%m.%d-%H.%M.%S`
  lvcreate --snapshot --size 100M --name lv_$SNAPNAME /dev/vg_system/lv_test
  mkdir /mnt/lv_test/@GMT-$SNAPNAME
  mount -o ro /dev/vg_system/lv_$SNAPNAME /mnt/lv_test/@GMT-$SNAPNAME

===== testen =====
  cat /etc/fstab >> /mnt/lv_test/amor
  
====== Shadow Copy mit Hardlinks ======
===== Samba für Shadow Copies konfigurieren =====

''/etc/samba/smb.conf'':
<file>
[shadow_share]
  comment = Shadow Copy Enabled Share
  path = /mnt/shadow/working-copy
  vfs objects = shadow_copy
  writeable = yes
  browseable = yes

</file>

===== Shadow Copy erstellen =====
  SNAPNAME=`date +%Y.%m.%d-%H.%M.%S`
  cp -al working-copy/ $SNAPNAME
  ln -s ../$SNAPNAME working-copy/@GMT-$SNAPNAME

===== testen =====
  cp -a /mnt/shadow/working-copy/amor /mnt/shadow/working-copy/amor.new
  cat /etc/fstab >> /mnt/shadow/working-copy/amor.new
  mv /mnt/shadow/working-copy/amor.new /mnt/shadow/working-copy/amor

====== Links ======  
  * http://de.samba.org/samba/docs/man/Samba-HOWTO-Collection/VFS.html#id2654956
  * http://tldp.org/HOWTO/LVM-HOWTO/
  * http://www.dirvish.org/
  * http://www.rsnapshot.org/