Hi, client.vol is volume unify-brick type cluster/unify option scheduler rr # round robin option namespace muskie-ns # subvolumes muskie-brick pike1-brick pike2-brick pike3-brick subvolumes muskie-brick pike1-brick pike3-brick end-volume volume wb type performance/write-behind option aggregate-size 1MB option flush-behind on subvolume client.vol is volume unify-brick type cluster/unify option scheduler rr # round robin option namespace muskie-ns # subvolumes muskie-brick pike1-brick pike2-brick pike3-brick subvolumes muskie-brick pike1-brick pike3-brick end-volume volume wb type performance/write-behind option aggregate-size 1MB option flush-behind on subvolumes unify-brick end-volume yes abcdefghijklmn | while read l; do echo $l; done > a would cause glusterfs process 100% busy and files system hang when the output size is around the aggregate-size. removing write-behind translator would get rid of this problem. s unify-brick end-volume command "yes abcdefghijklmn | while read l; do echo $l; done > a" would cause glusterfs process 100% busy and files system hang when the output size is around the aggregate-size. removing write-behind translator would get rid of this problem. Best, Manhong -------------- next part -------------- An HTML attachment was scrubbed... URL: http://zresearch.com/pipermail/gluster-users/attachments/20080827/1e01fd05/attachment.htm