LVM snapshots are automatically getting created on system

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