On Tue, 15 Aug 2006, Peter [windows-1252] Kjellström wrote: > On Tuesday 15 August 2006 06:13, Mark Strong wrote: > > Hi All, after looking around for info on XFS(the filesystem) and its use > > on CentOS and/or RHEL 4. There seems to be a lot of noise about 4K > > Stacks (especially on linux-xfs at oss.sgi.com). > > > > ... > > > > >You don't want to use the XFS in the centosplus kernel. It has major > > >known issues with 4K stacks (leading to overflows). Use the > > >kernel-module-xfs (or somesuch) RPM instead, and you should have better > > >luck. > > I don't have a full answer for you, what happen probably depends alot on both > hardware and software configuration and load. But, I'll second the above > statement, don't use the xfs module as shipped with the centosplus kernel > (afaict it's still vanilla from 2.6.9 and it did break for me when I tested) > but go with the kernel-module-xfs package. > > We've been running ~5 servers and ~10T on centos with the stand-alone module > for quite some time and seen no problems (nfs serving on x86_64 using 3ware > cards for storage) YMMW... XFS works alot better on x86_64 kernels as they have 8k stacks. -Connie Sieh > > /Peter >