On 08/06/2013 05:09 PM, haiwei.xie-soulinfo wrote: > Hi, > > Unfortunately, add the two params into smb.conf, nfs client OS will core dump with dd testing. > I reconfigure gluster vol, without any new params in smb.conf, performance looks good. Maybe > former low performance result from error config. > > [root at infi131 cifs]# dd if=/dev/zero of=t1 bs=64k count=100000 > ???100000+0 ??? > ???100000+0 ??? > 6553600000??(6.6 GB)????21.3123 ??308 MB/? > > > bugs: > 1, dd bs > 128K, glusterfs brick log shows client disconnect, I guess api caller crash. > in /var/log/samba/cores, may core files. Can you please provide backtrace from any of the cores if possible? > > 2, some times, nfs client OS core dump. > > crash kernel log like: > Aug 6 11:06:36 infi131 kernel: INFO: task dd:3146 blocked for more than 120 seconds. > Aug 6 11:06:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Aug 6 11:06:36 infi131 kernel: dd D 0000000000000000 0 3146 2754 0x00000084 > Aug 6 11:06:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 fff880123fc0<>ff802b5f ffff065fff802117 ff813fc3<>ff803c4f ff8155f8000000f8 ff819b58<>alTae > Aug 6 11:10:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Aug 6 11:10:36 infi131 kernel: dd D 0000000000000000 0 3146 2754 0x00000084 > Aug 6 11:10:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 ffff8801231f1c10 > Aug 6 11:10:36 infi131 kernel: ffff880125b55cf8 ffffffffa046c50f ffff8801231f1c72 ffff8801231f1c73 > Aug 6 11:10:36 infi131 kernel: ffff880139cb45f8 ffff880125b55fd8 000000000000fb88 ffff880139cb45f8 > Aug 6 11:10:36 infi131 kernel: Call Trace: > Aug 6 11:10:36 infi131 kernel: [<ffffffffa046c50f>]? ciswieae+x2/x8 cf]<>[ffff819d> ycpg+x/x0<>[ffff85d7> oshdl+x30c > Aug 6 11:14:21 infi131 kernel: ipmi device interface > Is this a nfs client mounting gluster nfs server? Thanks, Vijay
