Hello all
I have several oracle instances running under Solaris. I back up using OIP.
One feature that slows its normal rapid progress is arcredo handling.
I'm going to tape: it bundles up arcredos and writes them in groups to tape (50M redos bundled up into 2.5Gb written as a single file to tape - not sure how that works) , then it creates another backup job and repeats. It takes seconds to write to tape but as these are separate jobs, it has to go through tape mount logic each time, so these jobs take minutes when you factor in the tape movement.
If anyone can clarify how this can be make more effiient by reducing tape mounts I'd be most appreciative. Obviously going to disk would be one way, but we have what we have, for now at least.
I'm running with default set of params in OIP: I find documentation around OIP settings a bit scarce.
Regards,Jim