== insanity test 12: Twelve Failure Mode: MDS0,MDS1/OST0, OST1/CLIENTS Mon Aug 24 11:05:28 EDT 2026 ========================================================== 11:05:28 (1787583928)
Verify Lustre filesystem is up and running
Failing mds1 on oleg636-server
Stopping /mnt/lustre-mds1 (opts:) on oleg636-server
Failing mds2 on oleg636-server
Stopping /mnt/lustre-mds2 (opts:) on oleg636-server
11:05:36 (1787583936) shut down
facet: mds1 facet_host: oleg636-server facet_failover_host: oleg636-server
facet: mds2 facet_host: oleg636-server facet_failover_host: oleg636-server
Failover mds1 to oleg636-server
mount facets: mds1
Failover mds2 to oleg636-server
mount facets: mds2
Start mds1: mount -t lustre -o localrecov  /dev/mapper/mds1_flakey /mnt/lustre-mds1
Start mds2: mount -t lustre -o localrecov  /dev/mapper/mds2_flakey /mnt/lustre-mds2
oleg636-server: oleg636-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
oleg636-server: oleg636-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
pdsh@oleg636-client: oleg636-server: ssh exited with exit code 1
pdsh@oleg636-client: oleg636-server: ssh exited with exit code 1
Started lustre-MDT0000
Started lustre-MDT0001
11:06:06 (1787583966) targets are mounted
11:06:06 (1787583966) facet_failover done
oleg636-client.virtnet: executing wait_import_state_mount (FULL|IDLE) mdc.lustre-MDT0000-mdc-*.mds_server_uuid,mdc.lustre-MDT0001-mdc-*.mds_server_uuid 1475 0
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 oleg636-server
Stopping /mnt/lustre-ost1 (opts:) on oleg636-server
Failing ost2 on oleg636-server
Stopping /mnt/lustre-ost2 (opts:) on oleg636-server
11:06:25 (1787583985) shut down
facet: ost1 facet_host: oleg636-server facet_failover_host: oleg636-server
facet: ost2 facet_host: oleg636-server facet_failover_host: oleg636-server
Failover ost1 to oleg636-server
mount facets: ost1
Failover ost2 to oleg636-server
mount facets: ost2
Start ost1: mount -t lustre -o localrecov  /dev/mapper/ost1_flakey /mnt/lustre-ost1
Start ost2: mount -t lustre -o localrecov  /dev/mapper/ost2_flakey /mnt/lustre-ost2
seq.cli-lustre-OST0001-super.width=65536
seq.cli-lustre-OST0000-super.width=65536
oleg636-server: oleg636-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
oleg636-server: oleg636-server.virtnet: executing set_default_debug vfstrace rpctrace dlmtrace neterror ha config ioctl super lfsck all
pdsh@oleg636-client: oleg636-server: ssh exited with exit code 1
pdsh@oleg636-client: oleg636-server: ssh exited with exit code 1
Started lustre-OST0001
Started lustre-OST0000
11:06:50 (1787584010) targets are mounted
11:06:50 (1787584010) facet_failover done
oleg636-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 1475 0
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