On Wed, Mar 21, 2012 at 05:00:02PM +1300, Gregory Machin wrote: > I have a CentOS 6.2 virtual machine in a vmware ESXi 4.0 host 4G Ram 4 > virtaul cpus and with about 4 TB of disk space formatted with XFS . > I'm seeing a lot of : > > Mar 21 10:49:42 nzhmlfpr05 kernel: XFS (dm-4): xlog_space_left: head behind tail > Mar 21 10:49:42 nzhmlfpr05 kernel: tail_cycle = 129, tail_bytes = 20163072 > Mar 21 10:49:42 nzhmlfpr05 kernel: GH cycle = 129, GH bytes = 20162880 > Mar 21 10:49:42 nzhmlfpr05 kernel: XFS (dm-7): xlog_space_left: head behind tail > Mar 21 10:49:42 nzhmlfpr05 kernel: tail_cycle = 5, tail_bytes = 333417984 > Mar 21 10:49:42 nzhmlfpr05 kernel: GH cycle = 5, GH bytes = 333417792 > Mar 21 10:49:42 nzhmlfpr05 kernel: XFS (dm-7): xlog_space_left: head behind tail > Mar 21 10:49:42 nzhmlfpr05 kernel: tail_cycle = 5, tail_bytes = 333417984 > Mar 21 10:49:42 nzhmlfpr05 kernel: GH cycle = 5, GH bytes = 333417792 can you send the complete set of output, including the first occurrence of it? What workload are you running? Are you freezing you filesystem frequently? > What would casue this ? A quick google , I found a post that indicated > I should unmount and mount the file systems. I have live production > data on this machine so I need to be careful. What is the best > solution ? Best solution? I don't know enough about the problem yet to suggest one. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
