> > Gluster: > > [root@cluster0 src]# glusterfs -f /usr/local/etc/glusterfs/client.vol -n > brick1 /share > [root@cluster0 share]# sync ; time (dd if=/dev/zero of=/share/foo.bar > bs=4k count=512K ; sync ) > 524288+0 records in > 524288+0 records out > 2147483648 bytes (2.1 GB) copied, 222.344 seconds, 9.7 MB/s > > real 3m42.384s > user 0m0.168s > sys 0m1.016s > > > Which version of glusterfs are you using? Please load write-behind in the client volume file (over unify). Have you tried ib-verbs transport (instead of ib-sdp) ? avati