> [@123.25 ~]# rmmod fuse > [@123.25 ~]# yum install fuse-2.7.3-1.el5.rf dkms-fuse-2.7.3-1.nodist.rf > glusterfs > [@123.25 ~]# dd if=/opt/xxx of=/mnt/xxx4 bs=16M > 16+0 records in > 16+0 records out > 268435456 bytes (268 MB) copied, 25.4561 seconds, 10.5 MB/s can you try two things - 1. reconfigure your setup to use wb+protocol/client on the client side and protocol/server+posix on the server side and run the dd tests? 2. upgrade to 1.4.0rc1 thanks, avati