LVM snapshots are automatically getting created on system

Solution Verified - Updated -

Issue

  • The snapshot volumes are automatically getting created for all the LVs present in root volume group, need to find out root cause about what is triggering snapshot creation periodically:

    [root@host1 ~]# lvs
  LV                  VG     Attr   LSize   Origin  Snap%  Move Log Copy%  Convert
  home_lv             rootvg owi-ao  12.00G
  home_lv-PS-snapshot rootvg swi-a-  12.00G home_lv   0.06
  opt_lv              rootvg owi-ao  20.00G
  opt_lv-PS-snapshot  rootvg swi-a-  21.75G opt_lv    0.04
  root_lv             rootvg owi-ao   5.00G
  root_lv-PS-snapshot rootvg swi-a-   5.00G root_lv   0.63
  swaplv              rootvg -wi-ao   8.00G
  tmp_lv              rootvg owi-ao  40.00G
  tmp_lv-PS-snapshot  rootvg swi-a-  40.00G tmp_lv    0.03
  usr_lv              rootvg owi-ao  15.00G
  usr_lv-PS-snapshot  rootvg swi-a-  15.00G usr_lv    0.41
  var_lv              rootvg owi-ao  15.00G
  var_lv-PS-snapshot  rootvg swi-a-  13.31G var_lv    0.33

Environment

  • Red Hat Enterprise Linux 5
  • LVM snapshot
  • PlateSpin application

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