== insanity test 12: Twelve Failure Mode: MDS0,MDS1/OST0, OST1/CLIENTS Wed Feb 18 13:55:49 EST 2026 ========================================================== 13:55:49 (1771440949)
Verify Lustre filesystem is up and running
Failing mds1 on oleg453-server
Stopping /mnt/lustre-mds1 (opts:) on oleg453-server
Failing mds2 on oleg453-server
Stopping /mnt/lustre-mds2 (opts:) on oleg453-server
13:55:53 (1771440953) shut down
facet: mds1 facet_host: oleg453-server facet_failover_host: oleg453-server
facet: mds2 facet_host: oleg453-server facet_failover_host: oleg453-server
Failover mds1 to oleg453-server
mount facets: mds1
Failover mds2 to oleg453-server
mount facets: mds2
Start mds2: mount -t lustre -o localrecov  /dev/mapper/mds2_flakey /mnt/lustre-mds2
Start mds1: mount -t lustre -o localrecov  /dev/mapper/mds1_flakey /mnt/lustre-mds1
oleg453-server: oleg453-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
oleg453-server: oleg453-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1
pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1
Started lustre-MDT0000
Started lustre-MDT0001
13:56:20 (1771440980) targets are mounted
13:56:20 (1771440980) facet_failover done
oleg453-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid,mdc.lustre-MDT0001-mdc-*.mds_server_uuid
mdc.lustre-MDT0000-mdc-*.mds_server_uuid in FULL state after 0 sec
mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 0 sec
Failing ost1 on oleg453-server
Stopping /mnt/lustre-ost1 (opts:) on oleg453-server
Failing ost2 on oleg453-server
Stopping /mnt/lustre-ost2 (opts:) on oleg453-server
13:56:31 (1771440991) shut down
facet: ost1 facet_host: oleg453-server facet_failover_host: oleg453-server
facet: ost2 facet_host: oleg453-server facet_failover_host: oleg453-server
Failover ost1 to oleg453-server
mount facets: ost1
Failover ost2 to oleg453-server
mount facets: ost2
Start ost2: mount -t lustre -o localrecov  /dev/mapper/ost2_flakey /mnt/lustre-ost2
Start ost1: mount -t lustre -o localrecov  /dev/mapper/ost1_flakey /mnt/lustre-ost1
seq.cli-lustre-OST0001-super.width=65536
seq.cli-lustre-OST0000-super.width=65536
oleg453-server: oleg453-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
oleg453-server: oleg453-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1
pdsh@oleg453-client: oleg453-server: ssh exited with exit code 1
Started lustre-OST0001
Started lustre-OST0000
13:56:47 (1771441007) targets are mounted
13:56:47 (1771441007) facet_failover done
oleg453-client.virtnet: executing wait_import_state_mount (FULL|IDLE) osc.lustre-OST0000-osc-[-0-9a-f]*.ost_server_uuid,osc.lustre-OST0001-osc-[-0-9a-f]*.ost_server_uuid
osc.lustre-OST0000-osc-[-0-9a-f]*.ost_server_uuid in FULL state after 0 sec
osc.lustre-OST0001-osc-[-0-9a-f]*.ost_server_uuid in FULL state after 0 sec
Failing 2 CLIENTS
Request fail clients: 2, to fail: 0, failed: 0
No clients failed!
Test Lustre stability after CLIENT failure
Reintegrating CLIENTS