Oracle db fails with error 13 and 6
I had a successful oracle db backup prior to NBU upgrade from 7.6.1.2 to 7.7.3. archive backup or file system are working successfully.
Now db backups child job is failing with error 13.
NBU master/media server - Redhat 6.7 - NBU 773, NBU client - Redhat 6.7 - NBU 773, db version - 11.2.0.4.0
RMAN-03009: failure of backup command on ch00 channel at 10/17/2016 10:10:47
ORA-27192: skgfcls: sbtclose2 returned error - failed to close file
ORA-19511: Error received from media manager layer, error text:
Failed to process backup file <rrriiu3k_1_1>
ORA-19502: write error on file "rrriiu3k_1_1", block number 1 (block size=16384)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
VxBSASendData: Failed with error:
Can anyone please help. attached dbclient, rman bphdb and bpbrm logs