== conf-sanity test 99: Adding meta_bg option ============ 22:52:32 (1767325952)
oleg209-server: debugfs 1.47.3-wc2 (11-Nov-2025)
oleg209-server: debugfs: No such file or directory while trying to open /dev/mapper/ost1_flakey
oleg209-server: stats: Filesystem not open
params: --mgsnode=192.168.202.109@tcp --fsname=lustre --ost 			--index=0 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000  		--mkfsoptions=\"-O ^resize_inode,meta_bg -b 4096 -E lazy_itable_init\" 		--reformat /dev/mapper/ost1_flakey 
/home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1053: echo: write error: Device or resource busy
/home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1054: echo: write error: Device or resource busy
Loading modules from /home/green/git/lustre-release/lustre
detected 4 online CPUs by sysfs
MODOPTS_LIBCFS=
Force libcfs to create 2 CPU partitions
loading modules on: 'oleg209-server'
oleg209-server: oleg209-server.virtnet: executing load_modules_local
oleg209-server: Loading modules from /home/green/git/lustre-release/lustre
oleg209-server: /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1053: echo: write error: Device or resource busy
oleg209-server: /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1054: echo: write error: Device or resource busy
oleg209-server: detected 4 online CPUs by sysfs
oleg209-server: MODOPTS_LIBCFS=
oleg209-server: Force libcfs to create 2 CPU partitions
oleg209-server: mkfs.lustre: /dev/mapper/ost1_flakey apparently does not exist
oleg209-server: 
oleg209-server: mkfs.lustre FATAL: unable to prepare backend (2)
oleg209-server: mkfs.lustre: exiting with 2 (No such file or directory)
pdsh@oleg209-client: oleg209-server: ssh exited with exit code 2
 conf-sanity test_99: @@@@@@ FAIL: add ost1 failed with new params 
  Trace dump:
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7487:error()
  = /home/green/git/lustre-release/lustre/tests/conf-sanity.sh:8868:test_99()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7863:run_one()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7926:run_one_logged()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:7726:run_test()
  = /home/green/git/lustre-release/lustre/tests/conf-sanity.sh:8873:main()
Dumping lctl log to /tmp/testlogs//conf-sanity.test_99.*.1767325986.log
rsync: chown "/tmp/testlogs/.conf-sanity.test_99.debug_log.oleg209-server.1767325986.log.nvA6AV" failed: Operation not permitted (1)
rsync: chown "/tmp/testlogs/.conf-sanity.test_99.dmesg.oleg209-server.1767325986.log.8oY1zA" failed: Operation not permitted (1)
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1668) [generator=3.1.3]