On 09/09/2010 04:59 PM, Brady Chang wrote: > thanks guys for the feedback. > iostat shows balanced io between two filesystems. > testing with RHEL 54, no issues there. seems to be happening on RHEL 55 > only. There were no xfs changes between 5.4 and 5.5 that should be relevant, only a single bugfixes for 5.5, related to fallocate error returns. Just FWIW. -Eric