we have had Arcserve happily backing up one Netware 6.5(sp5) server for
nearly two years now.
Now, whenever, a job starts to run it takes the cpu utilization to 100%
(and the backup job gets nowhere).
I don't know the full history but think an active job was aborted
recently - it didn't cancel but cpu went to 100% (it is an arcserve
thread responsible).

I've deleted the jobs, created a new one (from the server console), but
still goes to 100% (utilization is normal until the job runs).
Hyperthreading is disabled in BIOS.

Any Ideas please.