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Ask the Experts: Oracle backup Failing Time & Time Again!

Level 3

Just recently got engaged with a customer who has a specific Oracle RMAN backup failing time & time again.  It was observed that it ran fine for about 2 hours before it bombed. 

Here is the error message. 

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on c2 channel at 05/04/2015 20:26:37
ORA-19502: write error on file "db_GMEPRD11_878847280_642482_1", blockno 1491713 (blocksize=1024)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
VxBSASendData: Failed with error:
Server Status:  Communication with the server has not been initiated or the server status has not been retrieved from the serve

We are suspecting it to be a NIC issue (Probably NIC Hanging) and possibly trying to swap NIC’s around, if we have a spare one.
Workaround formulated is:
1.        Swap the NIC with another to see if the problem moves.
2.       Replace the card and see if we still have the problem.

Please advise...



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