[OpenAFS] need help tuning openafs

Derrick J Brashear shadow@dementia.org
Fri, 3 Sep 2004 18:23:24 -0400 (EDT)

On Fri, 3 Sep 2004, Wes Chow wrote:

> I'm playing with a few of the 45 gig machines now and I've noticed
> that afsd startup times are unacceptably long.  I took the advice from
> the AFSLore wiki and used "afsd -chunk 17", however just starting afsd
> on a clean /var/cache/openafs directory takes 20-30 minutes.  On an
> already populated cache directory, it takes maybe 3 or 4 minutes.
> After it's done, afs_cachetrim runs 80-90% cpu for an unkown period of
> time.  (I have yet to see one finish, and it's been close to 2 hours).

It has to populate the cache, the first time, and scan it on subsequent 
boots, and presumably whichever filesystem you're using for the cache has 
slow access times.