Re: onbar's CPU usage

Richard Kofler <richard.kofler@chello.at> wrote in message news:<3ED537A5.8CC5439A@chello.at>... > vijay wrote: > > > > My 9.3 IDS instance runs on an IBM RS6000 server( 4-way SP winterhawk > > node 450 MHz running AIX). Everytime an onbar logical log backup kicks > > off, I have noticed that it takes 25% of CPU resources(1 CPU). > > Can somebody explain why the logical log backup process is so resource > > intensive(all it should be doing is moving records from the logical > > log on disk to the tape sub-system)? > > Thanks > > > > -- Vijay Venkatesh > > are you using TIVOLI TSM? > > This might explain it ...... > > And no, that is not sarkasm. > > If not so, then start top and find out if it is the onbar > process or a CPUvp or whatever consumes all cyc1es of 1 of your CPUs > > dic_k I've used Legato and Veritas, and haven't noticed the CPU usage you've seen with onbar. I haven't used Legato for a few years, but I don't remember behavior like this. My Veritas NetBackup 4.5 backups barely register a blip in onbar CPU usage. Hope this helps. Brice Avila Minneapolis, Minnesota