Anand Avati wrote: > Matt, > can you post your volume spec files? > > avati > > 2009/1/9 Matt Lawrence <matt.lawrence at tamu.edu>: > >> We are attempting to run WRF to a shared glusterfs filesystem. It is >> not going well at all. WRF does a bunch of fseeks as well as writes and >> I'm seeing at least a 30:1 slowdown between accessing the underlying >> filesystem vs going through glusterfs. A coworker has written a trivial >> test program that implements this sort of access pattern. Currently >> using the 1.4.0rc7 version. >> >> Help? >> >> -- Matt >> >> >> >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users >> >> -bash-3.2# cat /etc/glusterfs/glusterfs-server.vol ############################################## ### GlusterFS Server Volume Specification ## ############################################## volume data type storage/posix option directory /export/data end-volume volume data-aio type performance/io-threads option thread-count 4 subvolumes data end-volume volume data-writebehind type performance/write-behind option aggregate-size 1MB option window-size 3MB subvolumes data-aio end-volume volume data-export type protocol/server option transport-type tcp subvolumes data-writebehind option auth.addr.data-writebehind.allow * end-volume -bash-3.2# cat /etc/glusterfs/glusterfs-client.vol ############################################## ### GlusterFS Client Volume Specification ## ############################################## volume data type protocol/client option transport-type tcp option remote-host fs01 option remote-subvolume data-writebehind end-volume volume data-aio type performance/io-threads option thread-count 4 subvolumes data end-volume volume data-writebehind type performance/write-behind option aggregate-size 1MB option window-size 3MB subvolumes data-aio end-volume volume data-cache type performance/io-cache option cache-size 64MB option page-size 1MB option cache-timeout 5 subvolumes data-writebehind end-volume volume data-readahead type performance/read-ahead option page-size 128KB option page-count 4 subvolumes data-cache end-volume
