You probably need to think about upgrading the the DP 8.01 patch bundle. It appears that you rproblem was fixed there
Change Request: QCCR2A46726
The Data Protector Internal Database (IDB) reports the
media inconsistency and the IDB backup fails with the
following error message:
omnidbcheck -media_consistency -detail
Media consistency: Failed
748be232:4f3535a1:0d14:0001
748be232:514b0cc1:1998:0006
DONE!
|Critical| From: BSM@ "Filesystem FULL"
Time:
The session terminates when synchronizing the media
management and catalog database.
This patch is available for download from
https://softwaresupport.hp.com/group/softwaresupport/search-result/-/facetsearch/document/KM00745322
You must have a valid HP Passport to access the patch site