== conf-sanity test 99: Adding meta_bg option ============ 10:18:07 (1773670687) oleg328-server: debugfs 1.47.3-wc2 (11-Nov-2025) params: --mgsnode=192.168.203.128@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 1040: 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 ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' quota/lquota options: 'hash_lqs_cur_bits=3' mdt/mdt options: 'mdt_enable_flr_ec=1' ln: failed to create symbolic link '/sbin/.libs': Read-only file system loading modules on: 'oleg328-server' oleg328-server: oleg328-server.virtnet: executing load_modules_local oleg328-server: Loading modules from /home/green/git/lustre-release/lustre oleg328-server: /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1040: echo: write error: Device or resource busy oleg328-server: detected 4 online CPUs by sysfs oleg328-server: MODOPTS_LIBCFS= oleg328-server: Force libcfs to create 2 CPU partitions oleg328-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg328-server: quota/lquota options: 'hash_lqs_cur_bits=3' oleg328-server: mdt/mdt options: 'mdt_enable_flr_ec=1' Permanent disk data: Target: lustre:OST0000 Index: 0 Lustre FS: lustre Mount type: ldiskfs Flags: 0x62 (OST first_time update ) Persistent mount opts: errors=remount-ro Parameters: mgsnode=192.168.203.128@tcp sys.timeout=20 device size = 4096MB formatting backing filesystem ldiskfs on /dev/mapper/ost1_flakey target name lustre:OST0000 kilobytes 200000 options -b 4096 -I 512 -q -O ^resize_inode,meta_bg,uninit_bg,extents,dir_nlink,quota,project,huge_file,large_dir,^fast_commit,flex_bg -G 256 -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0000 -b 4096 -I 512 -q -O ^resize_inode,meta_bg,uninit_bg,extents,dir_nlink,quota,project,huge_file,large_dir,^fast_commit,flex_bg -G 256 -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F /dev/mapper/ost1_flakey 200000k oleg328-server: debugfs 1.47.3-wc2 (11-Nov-2025) Filesystem features: has_journal ext_attr dir_index filetype meta_bg extent flex_bg large_dir sparse_super large_file huge_file uninit_bg dir_nlink quota project