求教lustre报错，附报错信息！

hui1048

一个集群，OST10挂载IO节点无问题，但是计算节点无法访问OST10

以下是IO节点dmesge日志信息：
LustreError: 5848:0filter.c:438:filter_client_add()) Skipped 1415 previous similar messages
LustreError: 5848:0filter.c:462:filter_client_add()) error writing last_rcvd client idx 43429: rc -30
LustreError: 5848:0filter.c:462:filter_client_add()) Skipped 1415 previous similar messages
LustreError: 5848:0ldlm_lib.c:1863:target_send_reply_msg()) @@@ processing error (-30)  req@ffff81039ff64c00 x1466490724295436/t0 o8-><?>@<?>:0/0 lens 368/264 e 0 to 0 dl 1398573026 ref 1 fl Interpret:/0/0 rc -30/0
LustreError: 5848:0ldlm_lib.c:1863:target_send_reply_msg()) Skipped 1415 previous similar messages


以下是计算节点dmesge日志信息：
LustreError: 11-0: an error occurred while communicating with 10.10.10.66@o2ib. The ost_connect operation failed with -30
LustreError: Skipped 24 previous similar messages
Lustre: 6239:0import.c:508:import_select_connection()) lustrefs-OST0009-osc-ffff81043cd63000: tried all connections, increasing latency to 51s
Lustre: 6239:0import.c:508:import_select_connection()) Skipped 24 previous similar messages
LustreError: 11-0: an error occurred while communicating with 10.10.10.66@o2ib. The ost_connect operation failed with -30
LustreError: Skipped 24 previous similar messages
Lustre: 6239:0import.c:508:import_select_connection()) lustrefs-OST0009-osc-ffff81043cd63000: tried all connections, increasing latency to 26s
Lustre: 6239:0import.c:508:import_select_connection()) Skipped 24 previous similar messages


这是什么问题啊，实在没看懂！