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.