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db2 netbackup issues... Please advise/discuss

P: 7
Hi Team,
I have netbackup for db2 is configured for backup and log archiving of the db2 logs on the tape device through the netbackup. I have configured the log archiving of the db2 through the LOAGARHCMETH1(vendor method) parameter. Not i have noticed couple of the thing which are strange and make me think about the Netbackup's Stability when there is a issue of restore of the database and performance.

1.When logs are archived to the tape device and when i query the content on the storage server through the bplist, the file name of the log is converted. Eg. S0000001.LOG ==> C000000_S0000001.LOG. The new name is not in the db2 naming standard. Is this log files are usable when there is a issue of restoring the database through the logs?
2. I also noticed that Sometime netbackup archive some logs many times(5 times) on the storage server. How db2 identifies which one is the right one to use during the restore/rollforward process?
3. This is completely weird behaviour. To stop the db2 instance after closing all the application connections, when i issue deactivate db command or any db2 commands it just hung. I have looked into the db2diag log file at the same time that db2 is archiving the logs which are just cut off from the LOG BUFFER and ready to archive to the storage media. Any db2 command is not returned until the log archving process is finished.This has beeen identified several time. Why log archiving process through the netbackup puts all other db2 commands on the wait mode until the process is done??

Any help will be greatly appreciated as this all thing matter on the Production database and recovery is a key issue.

Feb 7 '07 #1
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