On Nov 29, 2007 8:57 AM, Rob Banz <[EMAIL PROTECTED]> wrote:

> >>>
> >>
> >> For a cache partition, at least on other *ixes, the cache partition
> >> has always needed special attention because of the way its used by
> >> the
> >> AFS kernel module.  Certain care has to be taken as to do operations
> >> in such a way that kernel deadlocks and such are avoided.  For
> >> example, on Solaris you use ufs, however, you can't use logging ufs
> >> because of known deadlock problems.
> >>
> >> I'd assume that the use of ext2 on Linux is for a similar reason.
> >>
> >> -rob
> > Fascinating. I did not know of UFS logging issue on the cache
> > partition.
> > Strangely, I haven't heard of any issues. does ext3 have this issue
> > as well?
>
> I had used logging ufs as a cache partition for years without a
> problem as well -- but in the past couple years ran into deadlocks.  I
> remember reliably seeing them under Solaris 10x86 on a Dell 2650 where
> it'd lock up right after AFS started and some automated processes were
> busy trying to access it.
>

For documentation purposes it might be interesting to get kernel backtraces
of those if you ever get bored.

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