Hi Vikas, > Thanks for the output. Could you also send the client log? > (If it is too big just send the last 1000 lines or so). Not long at all, as this crash was a controlled (induced) one: Version : glusterfs 2.0.3 built on Jul 12 2009 23:44:40 TLA Revision : v2.0.3 Starting Time: 2009-07-13 00:09:15 Command line : /sbin/glusterfs --log-level=NORMAL --disable-direct-io-mode --volfile=/etc/glusterfs/glusterfs-client.vol /glusterfs/u0 PID : 3663 System name : Linux Nodename : melnode2 Kernel Release : 2.6.18-128.1.6.el5xen Hardware Identifier: x86_64 Given volfile: ** SNIP (see previous post) ** [2009-07-13 00:09:15] W [write-behind.c:1895:init] writebehind: setting window-size to be equal to aggregate-size(131072) [2009-07-13 00:09:15] N [glusterfsd.c:1224:main] glusterfs: Successfully started [2009-07-13 00:09:15] N [client-protocol.c:5559:client_setvolume_cbk] u0-2: Connected to 192.168.200.2:6996, attached to remote volume 'u0'. [2009-07-13 00:09:15] N [afr.c:2199:notify] afr: Subvolume 'u0-2' came back up; going online. [2009-07-13 00:09:15] N [client-protocol.c:5559:client_setvolume_cbk] u0-2: Connected to 192.168.200.2:6996, attached to remote volume 'u0'. [2009-07-13 00:09:15] N [afr.c:2199:notify] afr: Subvolume 'u0-2' came back up; going online. [2009-07-13 00:09:15] N [client-protocol.c:5559:client_setvolume_cbk] u0-2: Connected to 192.168.200.2:6996, attached to remote volume 'u0'. [2009-07-13 00:09:15] N [afr.c:2199:notify] afr: Subvolume 'u0-2' came back up; going online. [2009-07-13 00:09:15] N [client-protocol.c:5559:client_setvolume_cbk] u0-1: Connected to 192.168.200.1:6996, attached to remote volume 'u0'. [2009-07-13 00:09:15] N [client-protocol.c:5559:client_setvolume_cbk] u0-1: Connected to 192.168.200.1:6996, attached to remote volume 'u0'. pending frames: frame : type(1) op(READ) frame : type(1) op(READ) patchset: v2.0.3 signal received: 11 configuration details:argp 1 backtrace 1 db.h 1 dlfcn 1 fdatasync 1 libpthread 1 llistxattr 1 setfsid 1 spinlock 1 epoll.h 1 xattr.h 1 st_atim.tv_nsec 1 package-string: glusterfs 2.0.3 /lib64/libc.so.6[0x303d230280] /lib/glusterfs/2.0.3/xlator/protocol/client.so(client_readv_cbk+0x15d)[0x2b1089e8fa5d]/lib/glusterfs/2.0.3/xlator/protocol/client.so(protocol_client_pollin+0xca)[0x2b1089e807ca]/lib/glusterfs/2.0.3/xlator/protocol/client.so(notify+0x1d2)[0x2b1089e87b42]/lib/glusterfs/2.0.3/transport/socket.so(socket_event_handler+0xd3)[0x2aaaaaaafcf3]/lib/libglusterfs.so.0[0x2b10893f5135] /sbin/glusterfs(main+0x96a)[0x4039ea] /lib64/libc.so.6(__libc_start_main+0xf4)[0x303d21d974] /sbin/glusterfs[0x402389]