Dear list, When I was doing lfs quotacheck for a 200TB Lustre filesytem, the OSS crashed one after another. This is error log before system crashed from one OSS. Has anyone met same problem? May 13 20:20:18 boss09 kernel: LustreError: 24148:0:(ldlm_lib.c:1619:target_send_reply_msg()) @@@ processing error (-107) req at 0000010430da0e00 x363749/t0 o400-><?>@<?>:0/0 lens 128/0 e 0 to 0 dl 1242218218 ref 1 fl Interpret:/0/0 rc -107/0 May 13 20:20:18 boss09 kernel: LustreError: 24125:0:(ldlm_lib.c:1619:target_send_reply_msg()) @@@ processing error (-107) req at 0000010430da0200 x363750/t0 o400-><?>@<?>:0/0 lens 128/0 e 0 to 0 dl 1242218218 ref 1 fl Interpret:/0/0 rc -107/0 May 13 20:20:18 boss09 kernel: LustreError: 24125:0:(ldlm_lib.c:1619:target_send_reply_msg()) Skipped 447 previous similar messages May 13 20:20:18 boss09 kernel: LustreError: 24148:0:(ldlm_lib.c:1619:target_send_reply_msg()) Skipped 1 previous similar message May 13 20:30:22 boss09 kernel: LustreError: 24178:0:(ldlm_lib.c:1619:target_send_reply_msg()) @@@ processing error (-107) req at 000001000828ca00 x16662517/t0 o400-><?>@<?>:0/0 lens 128/0 e 0 to 0 dl 1242218822 ref 1 fl Interpret:/0/0 rc -107/0 May 13 20:30:22 boss09 kernel: LustreError: 24187:0:(ldlm_lib.c:1619:target_send_reply_msg()) @@@ processing error (-107) req at 0000010415ae2e00 x16662518/t0 o400-><?>@<?>:0/0 lens 128/0 e 0 to 0 dl 1242218822 ref 1 fl Interpret:/0/0 rc -107/0 May 13 20:30:22 boss09 kernel: LustreError: 24187:0:(ldlm_lib.c:1619:target_send_reply_msg()) Skipped 405 previous similar messages Best Regards Lu Wang -------------------------------------------------------------- Computing Center IHEP Office: Computing Center,123 19B Yuquan Road Tel: (+86) 10 88236012-607 P.O. Box 918-7 Fax: (+86) 10 8823 6839 Beijing 100049,China Email: Lu.Wang at ihep.ac.cn --------------------------------------------------------------