When you run omnidbcheck -bf you will find if any corrupted dcdf file in IDB . in my case i deleted 2 dcdf file from the mapped directory and i run the command . then it showing 2 dcdf file are missing and not found ERORR. after that i run omnimm -media_info for that particular catalog id and i got the pool ,device information. so to fix this i run omnidbutil -fixmpos.
then i tired to restore the session which has been deleted previously its working but one problem if found that the maped dcbf directory not working it simply storing defatult path (ie. c:\programfiles\omniback\db40\dcdf only.
