Here's a brief summary of the situation.
We are getting '99' errors, ie NDMP problem, while backing up '/' from a NetApp filer. It goes for about 20-30mins before erroring out
I checked filesystems, all OK
I reduced the amount used by snapshots
I backed up /etc, it worked OK
I set CLIENT_READ_TIMEOUT = 9600 in the /usr/openv/netbackup/bp.conf
I created a /usr/openv/netbackup/logs/bptm, bpbrm & bpsched directories, but the logfiles only seemed to mention the standard 'a file or directory in the path does not exist' error
I am seeing an error getting generated in the /etc/messages file on the filer that appears to coincide with the time that the backup fails;
Tape (10a.2
hard media error: Sense key (S) ASC (15) ASCQ (2)
I tried switching the NDMP drive with the regular drive and the problem persists.