[OpenAFS] switch from memcache to diskcache

[Derek Atkins]

HUH???

I dont understand your file system layout.  If you are running diskless
(frankly a silly thing to do in this day and age of $100 80-GB disks),
then why don't you always run AFS with a memcache?  

Are you saying that you are:
        1) running diskless, and
        2) running your _ROOT FILESYSTEM_ out of AFS???

-derek

Joerg Sommer <joerg@alea.gnuu.de> writes:

> Derek Atkins <warlord@MIT.EDU> wrote:
> > No, you cannot change cache-type without shutting down AFS.
> > What version of AFS are you using?  AFS _should_ shutdown cleanly
> 
> version: Debian openafs 1.2.7-2
> 
> > during the normal system shutdown process.
> 
> 
> That's not possible. We use afs for a diskless client and so it's
> impossible to unmount /sbin while init is running. (If you see a way, I
> would be very happy.) So we shutdown all processes and unmount all
> filesystems, they not needed, and then reboot the computer. So afs is
> killed and the filesystem with the afs cache is lets unclean. If we
> unmount the afs cache, it's not possible to bring init to an end because
> the afs module accesses after unmount the cache and the system crashes.
> 
> A switch to memcache could prevent the destroying of the filesystem.
> 
> Joerg.
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-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available