On Tue, Aug 10, 2010 at 11:53 AM, Ray Van Dolson <rayvd at bludgeon.org> wrote: > On Tue, Aug 10, 2010 at 11:48:17AM -0400, Boris Epstein wrote: >> Hi all, >> >> If you have had experience hosting GFS/GFS2 on CentOS machines could >> you share you general impression on it? Was it realiable? Fast? Any >> issues or concerns? > > I've only run GFS2 on RHEL5. It's been quite reliable, but certainly > has a bit of a learning curve from regular filesystems. > > It's fast enough, but if you have more than one node, keep in mind > you'll potentially be held back by lock manager contention under > certain workloads (like reading information on every inode on the > system for backup purposes, etc). > > For our uses (home directory server), it's more than adequate. > >> >> Also, how feasible is it to start it on just one machine and then grow >> it out if necessary? > > Haven't yet done this, but it can run on top of LVM just fine (clvm in > fact). > >> Thanks. >> >> Boris. > > Ray > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > Thanks Ray! Is it feasible to export GFS to NFS clients? And one more interesting thing. Wikipedia ( http://en.wikipedia.org/wiki/Global_File_System ) says that GFS2 is supported only starting at kernel 2.6.19 but on my CentOS 5.5 uname says: [bepstein at dellnikon ~]$ uname -a Linux dellnikon 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:35 EDT 2010 i686 i686 i386 GNU/Linux [bepstein at dellnikon ~]$ Could thins be a problem? Boris.