Hi. I''m getting an error message approximately every ten minutes: Oct 13 11:27:37 snowstorm kernel: LustreError: 5078:0:(client.c:577:ptlrpc_check_status()) @@@ type == PTL_RPC_MSG_ERR, err == -2 req@f7e77200 x69585853/t0 o33->home-mds_UUID@lustre-11-1.local_UUID:12 lens 240/240 ref 1 fl Rpc:R/0/0 rc 0/-2 Oct 13 11:27:37 snowstorm kernel: LustreError: 5078:0:(client.c:577:ptlrpc_check_status()) previously skipped 103 similar messages Oct 13 11:27:37 snowstorm kernel: LustreError: 5078:0:(file.c:1757:ll_inode_revalidate_it()) failure -2 inode 21079241 Oct 13 11:27:37 snowstorm kernel: LustreError: 5078:0:(file.c:1757:ll_inode_revalidate_it()) previously skipped 103 similar messages Oct 13 11:35:51 lustre-11-1.local kernel: LustreError: 13135:0:(ldlm_lib.c:1262:target_send_reply_msg()) @@@ processing error (-2) req@f3cf2e00 x69596608/t0 o33-><?>@<?>:-1 lens 240/64 ref 0 fl Interpret:/0/0 rc -2/0 Oct 13 11:35:51 lustre-11-1.local kernel: LustreError: 13135:0:(ldlm_lib.c:1262:target_send_reply_msg()) previously skipped 101 similar messages Oct 13 11:37:38 snowstorm kernel: LustreError: 5539:0:(client.c:577:ptlrpc_check_status()) @@@ type == PTL_RPC_MSG_ERR, err == -2 req@f599a800 x69598687/t0 o33->home-mds_UUID@lustre-11-1.local_UUID:12 lens 240/240 ref 1 fl Rpc:R/0/0 rc 0/-2 Oct 13 11:37:38 snowstorm kernel: LustreError: 5539:0:(client.c:577:ptlrpc_check_status()) previously skipped 99 similar messages Oct 13 11:37:38 snowstorm kernel: LustreError: 5539:0:(file.c:1757:ll_inode_revalidate_it()) failure -2 inode 21079241 Oct 13 11:37:38 snowstorm kernel: LustreError: 5539:0:(file.c:1757:ll_inode_revalidate_it()) previously skipped 99 similar messages Oct 13 11:47:39 snowstorm kernel: LustreError: 5840:0:(client.c:577:ptlrpc_check_status()) @@@ type == PTL_RPC_MSG_ERR, err == -2 req@eaf4f200 x69612223/t0 o33->home-mds_UUID@lustre-11-1.local_UUID:12 lens 240/240 ref 1 fl Rpc:R/0/0 rc 0/-2 Oct 13 11:47:39 snowstorm kernel: LustreError: 5840:0:(client.c:577:ptlrpc_check_status()) previously skipped 99 similar messages Oct 13 11:47:39 snowstorm kernel: LustreError: 5840:0:(file.c:1757:ll_inode_revalidate_it()) failure -2 inode 21079241 Oct 13 11:47:39 snowstorm kernel: LustreError: 5840:0:(file.c:1757:ll_inode_revalidate_it()) previously skipped 99 similar messages snowstorm is the client, and lustre-11-1 is one of the two lustre servers. Do anyone know what these messages mean? r. -- The Computer Center, University of Troms?, N-9037 TROMS?, Norway. phone:+47 77 64 41 07, fax:+47 77 64 41 00 Roy Dragseth, High Performance Computing System Administrator Direct call: +47 77 64 62 56. email: royd@cc.uit.no