At 09:11 PM 8/25/2008, Raghavendra G wrote: >Hi Marco, > >comments are inlined. > >On Tue, Aug 12, 2008 at 12:57 PM, Marco Trevisan ><<mailto:marco.trevisan at cardinis.com>marco.trevisan at cardinis.com> wrote: >The backend filesystem is XFS. The command used to create it was >"mkfs.xfs" without any option. >I later (Aug. 5th) changed the mount options in /etc/fstab from >"defaults" to "noatime,attr2". > >My problems started to happen on Aug. 6-7, so one of my suspictions >is that having set "noatime,attr2" on already existing data (used by >glusterfs) may have led to errors on the AFR side. > > >I think you are right here. Since AFR depends on extended >attributes for file/directory synchronization, there is a >possibility of data corruption. as I understand it switching from attr1 to attr2 isn't as easy as just specifying it on the mount point. you should make your filesystem with attr=2 otherwise the behavior may not be what you expect. you can possibly re-add the extended attributes and things will continue merrily along, but there's some debate apparently over whether or not adding the attributes to a live file system works as expected. I want a vacation :( Keith I