[OpenAFS] clarification on client caches

[Derrick J Brashear]

On Tue, 7 Sep 2004, Wes Chow wrote:

> Yet another twist... it turns out that another difference between
> these setups and my previous tests is the cache size in cacheinfo.  I
> originally tested with 30 gigs, which caused clients to hang on first
> access to /afs.  With the above 3 setups, the cache size is 50 gigs
> (for no apparent reason, I decided to try a different number).  It now
> seems to work with 50 gig caches.
>
> I've also tried 130 gigs (hangs on /afs access), and 100 gigs (works).
>
> What does this mean:
>
> "Be carefull, with certain cache sizes afsd crashes on startup (Linux,
> Tru64Unix at least)."
>
> http://grand.central.org/twiki/bin/view/AFSLore/AdminFAQ#3_33_Tuning_client_cache_for_hug

I don't know; I think that dates from Paul Blackburn's AFS FAQ, and I 
don't know all the details.

>
> By the way, when I say "works", I only mean that I can list some
> directories and I can cat a few files .  My tests aren't any more
> extensive than that.

Ok.