Andre Felipe Machado wrote: > Hello, > Try to disable flush behind option. > It behaves *badly* with slow speed net, drives and machines... > It can cause the cited lock up behaviour. > Your server got caught in I/O dead lock. > Regards. > Andre Felipe Machado > http://www.techforce.com.br Thanks, we tried disable flush behind option (we switch to a default writebehind options) but after a couple of hours glusterfs (on client) died with signall 11: pending frames: frame : type(1) op(LOOKUP) patchset: v2.0.7 signal received: 11 time of crash: 2009-11-14 03:37:28 configuration details: argp 1 backtrace 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 2.0.7 [0xffffe400] /lib/tls/libc.so.6(calloc+0x8e)[0xb7dcfffe] /usr/local/lib/glusterfs/2.0.7/xlator/cluster/replicate.so(afr_lookup+0x32)[0xb74dfd12] /usr/local/lib/glusterfs/2.0.7/xlator/cluster/distribute.so(dht_lookup_directory+0x10a)[0xb74ce21a] /usr/local/lib/glusterfs/2.0.7/xlator/cluster/distribute.so(dht_lookup_cbk+0x10e)[0xb74d3d9e] /usr/local/lib/glusterfs/2.0.7/xlator/cluster/replicate.so(afr_lookup_cbk+0x47b)[0xb74e0a7b] /usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(client_lookup_cbk+0x334)[0xb751ca84] /usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(protocol_client_interpret+0x1ef)[0xb750c91f] /usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(protocol_client_pollin+0xcd)[0xb750cb1d] /usr/local/lib/glusterfs/2.0.7/xlator/protocol/client.so(notify+0x23c)[0xb751359c] /usr/local/lib/glusterfs/2.0.7/transport/socket.so(socket_event_poll_in+0x3c)[0xb74abb2c] /usr/local/lib/glusterfs/2.0.7/transport/socket.so(socket_event_handler+0xa3)[0xb74abf73] /usr/local/lib/libglusterfs.so.0[0xb7ed7409] /usr/local/lib/libglusterfs.so.0(event_dispatch+0x21)[0xb7ed6251] glusterfs(main+0xc4f)[0x804bb3f] /lib/tls/libc.so.6(__libc_start_main+0xc8)[0xb7d7cea8] glusterfs[0x8049d71] --------- ================================================================================ Version : glusterfs 2.0.7 built on Nov 5 2009 12:49:05 git: v2.0.7 Starting Time: 2009-11-16 12:41:08 Command line : glusterfs --log-file=/var/log/gluster-client -f /usr/local/etc/glusterfs/glusterfs-client.vol /var/glustertest/ PID : 28270 System name : Linux Nodename : mb Kernel Release : 2.6.26.2 Hardware Identifier: i686
