Dear Lustre Users, There was an issue with a degraded volume group. After replacing the failed disks and mount the OST in question, I get the following error:
From OSS side: # mount -v -t lustre /ost_5 arg[0] = /sbin/mount.lustre arg[1] = -v arg[2] = -o arg[3] = rw arg[4] = /dev/sdg arg[5] = /ost_5 source = /dev/sdg (/dev/sdg), target = /ost_5 options = rw checking for existing Lustre data: found Reading CONFIGS/mountdata mounting device /dev/sdg at /ost_5, flags=0x1000000 options=osd=osd-ldiskfs,,errors=remount-ro,mgsnode=172.21.49.70@tcp,writeconf,param=mgsnode=172.21.49.70@tcp,svname=ana04-OST0005,device=/dev/sdg mount.lustre: mount /dev/sdg at /ost_5 failed: File exists retries left: 0 mount.lustre: mount /dev/sdg at /ost_5 failed: File exists From the MDS Side: MGS: Connection restored to 172.21.52.57@o2ib (at 172.21.49.57@tcp) Jun 1 08:52:13 kernel: [283815.063427] Lustre: MGS: Regenerating ana04-OST0005 log by user request. Jun 1 08:52:13 kernel: [283815.063435] Lustre: Found index 5 for ana04-OST0005, updating log Jun 1 08:52:13 kernel: [283815.063588] Lustre: Client log for ana04-OST0005 was not updated; writeconf the MDT first to regenerate it. Jun 1 08:52:16 kernel: [283818.785764] Lustre: ana04-MDT0000: Connection restored to 172.21.52.57@o2ib (at 172.21.49.57@tcp) Jun 1 08:56:56 kernel: [284098.343206] Lustre: 21769:0:(client.c:2063:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1591026960/real 1591026960] req@ffff8803cbb52d00 x1668283989359148/t0(0) o8->[email protected]<mailto:[email protected]>@tcp:28/4 lens 520/544 e 0 to 1 dl 1591027016 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1 Jun 1 08:56:56 kernel: [284098.343214] Lustre: 21769:0:(client.c:2063:ptlrpc_expire_one_request()) Skipped 96 previous similar messages Any input would be greatly appreciated it. Thank you, — Omar E. Quijano LCLS IT/Networking Department Head SLAC National Accelerator Laboratory T: (650) 926-5436
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