Hi, Gluster version: 3.3 beta3 OS : CentOS 6.1 step 1:I have two servers (hostsname: istore01,istore02) in Gluster peers. istore02: #gluster peer status Number of Peers: 1 Hostname: istore01 Uuid: 306deb9e-2174-4ce1-a80a-94139691a33a State: Peer in Cluster (Connected) step2: then I don't gluster peer detach istore01, I reinstall the centos6.1 on istore01. after istore01 is ok, I use 'gluster peer status' on istore02, they are always here. step3: I use 'gluster peer detach istore01', it tell me ok. but after I restart istore02. istore02: #gluster peer status Number of Peers: 1 Hostname: 192.168.0.200(istore01's IP) Uuid: 306deb9e-2174-4ce1-a80a-94139691a33a State: Peer in Cluster (Connected) The Question : detach server unsuccessfully?? Tks, Regards, lawrnce