hi all when our glusterfs upgrade to 3.1,the gluser-client has crash frequently and the traffic was about 30mbps,any help? something appeared in the log is: [posix.c:437:posix_lookup] dfs-posix: lstat on /xx/xx/xx/xx/xx.jpg failed: No data available (131469 records) [rpcsvc.c:1542:rpcsvc_submit_generic] rpc-service: failed to submit message (XID: 0x2402d0, Program: GlusterFS-3.1.0, ProgVers: 310, Proc: 29) to rpc-transport (tcp.dfs-server) (40 records) [socket.c:1363:__socket_read_frag] rpc: wrong MSG-TYPE (-49928435) received from xxxxx:40150 (50) our system environment: gfs-client*2:dell R610 E5620 @ 2.40GHz 12Gmem centos 5.4 gfs-server*6:dell R710 E5620 @ 2.40GHz 12Gmem centos 5.4 our glusterfs conf Volume Name: dfs Type: Distributed-Replicate Status: Started Number of Bricks: 3 x 2 = 6 Transport-type: tcp Bricks: Brick1: 192.168.11.13:/data0 Brick2: 192.168.11.14:/data0 Brick3: 192.168.11.15:/data0 Brick4: 192.168.11.16:/data0 Brick5: 192.168.11.11:/data0 Brick6: 192.168.11.12:/data0 Options Reconfigured: performance.cache-max-file-size: 512KB performance.cache-size: 2GB performance.cache-min-file-size: 16KB performance.quick-read: on -- Regards, Cocl OM manager