== conf-sanity test 111: Adding large_dir with over 2GB directory ========================================================== 23:14:37 (1717557277) oleg315-server: debugfs 1.46.2.wc5 (26-Mar-2022) Supported features: dir_prealloc imagic_inodes has_journal ext_attr resize_inode dir_index sparse_super2 fast_commit stable_inodes filetype needs_recovery journal_dev meta_bg extent 64bit mmp flex_bg ea_inode dirdata metadata_csum_seed large_dir inline_data encrypt casefold sparse_super large_file huge_file uninit_bg dir_nlink extra_isize quota bigalloc metadata_csum read-only project shared_blocks verity oleg315-server: debugfs 1.46.2.wc5 (26-Mar-2022) Supported features: dir_prealloc imagic_inodes has_journal ext_attr resize_inode dir_index sparse_super2 fast_commit stable_inodes filetype needs_recovery journal_dev meta_bg extent 64bit mmp flex_bg ea_inode dirdata metadata_csum_seed large_dir inline_data encrypt casefold sparse_super large_file huge_file uninit_bg dir_nlink extra_isize quota bigalloc metadata_csum read-only project shared_blocks verity umount lustre on /mnt/lustre..... stop ost1 service on oleg315-server stop mds service on oleg315-server stop mds service on oleg315-server LNET unconfigure error 22: Invalid argument unloading modules on: 'oleg315-server' oleg315-server: oleg315-server.virtnet: executing unload_modules_local oleg315-server: LNET unconfigure error 22: Invalid argument modules unloaded. MDT params: --mgs --fsname=lustre --mdt --index=0 --param=sys.timeout=20 --param=mdt.identity_upcall=/home/green/git/lustre-release/lustre/utils/l_getidentity --backfstype=ldiskfs --device-size=2400000 --mkfsoptions=\"-O large_dir -i 1048576 -b 4096 -E lazy_itable_init\" --reformat /dev/mapper/mds1_flakey Loading modules from /home/green/git/lustre-release/lustre detected 4 online CPUs by sysfs Force libcfs to create 2 CPU partitions ../libcfs/libcfs/libcfs options: 'cpu_npartitions=2' ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' quota/lquota options: 'hash_lqs_cur_bits=3' loading modules on: 'oleg315-server' oleg315-server: oleg315-server.virtnet: executing load_modules_local oleg315-server: Loading modules from /home/green/git/lustre-release/lustre oleg315-server: detected 4 online CPUs by sysfs oleg315-server: Force libcfs to create 2 CPU partitions oleg315-server: libkmod: kmod_module_get_holders: could not open '/sys/module/acpi_cpufreq/holders': No such file or directory oleg315-server: libkmod: kmod_module_get_holders: could not open '/sys/module/acpi_cpufreq/holders': No such file or directory oleg315-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg315-server: quota/lquota options: 'hash_lqs_cur_bits=3' Permanent disk data: Target: lustre:MDT0000 Index: 0 Lustre FS: lustre Mount type: ldiskfs Flags: 0x65 (MDT MGS first_time update ) Persistent mount opts: user_xattr,errors=remount-ro Parameters: sys.timeout=20 mdt.identity_upcall=/home/green/git/lustre-release/lustre/utils/l_getidentity device size = 2500MB formatting backing filesystem ldiskfs on /dev/mapper/mds1_flakey target name lustre:MDT0000 kilobytes 2400000 options -i 1048576 -b 4096 -J size=93 -I 1024 -q -O large_dir,uninit_bg,^extents,dirdata,dir_nlink,quota,project,huge_file,ea_inode,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0000 -i 1048576 -b 4096 -J size=93 -I 1024 -q -O large_dir,uninit_bg,^extents,dirdata,dir_nlink,quota,project,huge_file,ea_inode,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F /dev/mapper/mds1_flakey 2400000k Writing CONFIGS/mountdata Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg315-server: oleg315-server.virtnet: executing set_default_debug -1 all pdsh@oleg315-client: oleg315-server: ssh exited with exit code 1 Commit the device label on /dev/mapper/mds1_flakey Started lustre-MDT0000 OST params: --mgsnode=oleg315-server@tcp --fsname=lustre --ost --index=0 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-O large_dir -b 4096 -E lazy_itable_init\" --reformat /dev/mapper/ost1_flakey 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=192.168.203.115@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 large_dir,uninit_bg,extents,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init,packed_meta_blocks -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0000 -b 4096 -I 512 -q -O large_dir,uninit_bg,extents,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init,packed_meta_blocks -F /dev/mapper/ost1_flakey 200000k Writing CONFIGS/mountdata Starting ost1: -o localrecov /dev/mapper/ost1_flakey /mnt/lustre-ost1 seq.cli-lustre-OST0000-super.width=131072 oleg315-server: oleg315-server.virtnet: executing set_default_debug -1 all pdsh@oleg315-client: oleg315-server: ssh exited with exit code 1 Commit the device label on /dev/mapper/ost1_flakey Started lustre-OST0000 mount lustre on /mnt/lustre..... Starting client: oleg315-client.virtnet: -o user_xattr,flock oleg315-server@tcp:/lustre /mnt/lustre Starting client oleg315-client.virtnet: -o user_xattr,flock oleg315-server@tcp:/lustre /mnt/lustre Started clients oleg315-client.virtnet: 192.168.203.115@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,noencrypt,statfs_project) mount lustre on /mnt/lustre2..... Starting client: oleg315-client.virtnet: -o user_xattr,flock oleg315-server@tcp:/lustre /mnt/lustre2 Starting client oleg315-client.virtnet: -o user_xattr,flock oleg315-server@tcp:/lustre /mnt/lustre2 Started clients oleg315-client.virtnet: 192.168.203.115@tcp:/lustre on /mnt/lustre2 type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,noencrypt,statfs_project) UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2280828 1696 2159132 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 142216 1388 126828 2% /mnt/lustre[OST:0] filesystem_summary: 142216 1388 126828 2% /mnt/lustre UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 2280 272 2008 12% /mnt/lustre[MDT:0] lustre-OST0000_UUID 50000 302 49698 1% /mnt/lustre[OST:0] filesystem_summary: 2280 272 2008 12% /mnt/lustre creating 60000 hardlinks to oleg315-client.virtnet-0 creating 60000 hardlinks to oleg315-client.virtnet-1 waiting for PIDs 26489 26503 to complete - link 5416 (time 1717557320.28 total 10.00 last 541.54) - link 10000 (time 1717557328.59 total 18.31 last 551.43) - link 15607 (time 1717557338.59 total 28.32 last 560.64) - link 20000 (time 1717557346.62 total 36.34 last 547.25) - link 25544 (time 1717557356.62 total 46.34 last 554.39) - link 30000 (time 1717557364.82 total 54.54 last 543.46) - link 35497 (time 1717557374.82 total 64.54 last 549.61) - link 40000 (time 1717557383.03 total 72.76 last 548.34) - link 45489 (time 1717557393.03 total 82.76 last 548.82) - link 50000 (time 1717557401.30 total 91.03 last 545.48) - link 55515 (time 1717557411.30 total 101.03 last 551.48) total: 60000 link in 109.33 seconds: 548.81 ops/second - link 5404 (time 1717557320.21 total 10.00 last 540.31) - link 10000 (time 1717557328.53 total 18.32 last 552.35) - link 15627 (time 1717557338.53 total 28.32 last 562.60) - link 20000 (time 1717557346.52 total 36.31 last 547.30) - link 25556 (time 1717557356.52 total 46.31 last 555.60) - link 30000 (time 1717557364.72 total 54.51 last 542.30) - link 35510 (time 1717557374.72 total 64.51 last 550.91) - link 40000 (time 1717557382.91 total 72.70 last 548.34) - link 45482 (time 1717557392.91 total 82.70 last 548.14) - link 50000 (time 1717557401.16 total 90.95 last 547.55) - link 55429 (time 1717557411.16 total 100.95 last 542.85) total: 60000 link in 109.40 seconds: 548.43 ops/second estimate 4581s left after 120000 files / 109s umount lustre on /mnt/lustre2..... Stopping client oleg315-client.virtnet /mnt/lustre2 (opts:-f) umount lustre on /mnt/lustre..... Stopping client oleg315-client.virtnet /mnt/lustre (opts:) stop ost1 service on oleg315-server Stopping /mnt/lustre-ost1 (opts:-f) on oleg315-server stop mds service on oleg315-server Stopping /mnt/lustre-mds1 (opts:-f) on oleg315-server unloading modules on: 'oleg315-server' oleg315-server: oleg315-server.virtnet: executing unload_modules_local modules unloaded. ETA 4581s after 120000 files / 109s is too long e2fsck -d -v -t -t -f -n /dev/mapper/mds1_flakey -m8 oleg315-server: e2fsck 1.46.2.wc5 (26-Mar-2022) oleg315-server: Use max possible thread num: 1 instead Pass 1: Checking inodes, blocks, and sizes [Thread 0] Scan group range [0, 19) [Thread 0] jumping to group 0 [Thread 0] e2fsck_pass1_run:2564: increase inode 85 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 86 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 87 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 88 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 89 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 90 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 91 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 92 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 93 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 94 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 95 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 96 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 97 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 98 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 99 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 100 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 101 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 102 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 103 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 104 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 105 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 106 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 107 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 108 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 109 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 110 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 111 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 112 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 113 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 114 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 115 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 116 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 117 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 118 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 119 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 120 badness 0 to 2 for 10084 [Thread 0] group 1 finished [Thread 0] e2fsck_pass1_run:2564: increase inode 132 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 133 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 134 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 136 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 137 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 138 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 139 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 140 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 141 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 142 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 143 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 144 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 145 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 146 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 147 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 148 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 149 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 150 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 151 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 152 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 153 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 154 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 155 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 156 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 157 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 158 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 159 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 160 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 161 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 162 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 163 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 164 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 165 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 166 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 167 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 168 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 169 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 170 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 171 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 172 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 173 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 174 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 175 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 176 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 177 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 178 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 179 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 180 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 181 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 182 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 183 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 184 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 185 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 190 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 191 badness 0 to 2 for 10084 [Thread 0] group 2 finished [Thread 0] group 3 finished [Thread 0] group 4 finished [Thread 0] group 5 finished [Thread 0] group 6 finished [Thread 0] group 7 finished [Thread 0] group 8 finished [Thread 0] group 9 finished [Thread 0] group 10 finished [Thread 0] group 11 finished [Thread 0] group 12 finished [Thread 0] group 13 finished [Thread 0] group 14 finished [Thread 0] group 15 finished [Thread 0] group 16 finished [Thread 0] group 17 finished [Thread 0] group 18 finished [Thread 0] group 19 finished [Thread 0] Pass 1: Memory used: 380k/908k (124k/257k), time: 0.01/ 0.00/ 0.00 [Thread 0] Pass 1: I/O read: 2MB, write: 0MB, rate: 179.50MB/s [Thread 0] Scanned group range [0, 19), inodes 279 Pass 2: Checking directory structure Pass 2: Memory used: 380k/0k (85k/296k), time: 0.33/ 0.29/ 0.04 Pass 2: I/O read: 49MB, write: 0MB, rate: 148.40MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 380k/0k (85k/296k), time: 0.35/ 0.29/ 0.05 oleg315-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51548160, 266) != expected (51556352, 266) oleg315-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51548160, 266) != expected (51556352, 266) oleg315-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51548160, 266) != expected (51556352, 266) pdsh@oleg315-client: oleg315-server: ssh exited with exit code 4 Pass 3: Memory used: 380k/0k (83k/298k), time: 0.00/ 0.00/ 0.00 Pass 3: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 4: Checking reference counts Pass 4: Memory used: 380k/0k (69k/312k), time: 0.00/ 0.00/ 0.00 Pass 4: I/O read: 1MB, write: 0MB, rate: 4629.63MB/s Pass 5: Checking group summary information Pass 5: Memory used: 380k/0k (68k/313k), time: 0.00/ 0.00/ 0.00 Pass 5: I/O read: 1MB, write: 0MB, rate: 513.08MB/s Update quota info for quota type 0? no Update quota info for quota type 1? no Update quota info for quota type 2? no lustre-MDT0000: ********** WARNING: Filesystem still has errors ********** 276 inodes used (12.11%, out of 2280) 3 non-contiguous files (1.1%) 1 non-contiguous directory (0.4%) # of inodes with ind/dind/tind blocks: 1/1/0 37923 blocks used (6.32%, out of 600000) 0 bad blocks 1 large file 148 regular files 118 directories 0 character device files 0 block device files 0 fifos 120000 links 0 symbolic links (0 fast symbolic links) 0 sockets ------------ 120264 files Memory used: 380k/0k (67k/314k), time: 0.35/ 0.30/ 0.05 I/O read: 49MB, write: 0MB, rate: 139.51MB/s pdsh@oleg315-client: oleg315-server: ssh exited with exit code 2 pdsh@oleg315-client: oleg315-client: ssh exited with exit code 2 pdsh@oleg315-client: oleg315-client: ssh exited with exit code 2 pdsh@oleg315-client: oleg315-server: ssh exited with exit code 2 Stopping clients: oleg315-client.virtnet /mnt/lustre (opts:-f) Stopping clients: oleg315-client.virtnet /mnt/lustre2 (opts:-f) pdsh@oleg315-client: oleg315-server: ssh exited with exit code 2 oleg315-server: oleg315-server.virtnet: executing set_hostid Loading modules from /home/green/git/lustre-release/lustre detected 4 online CPUs by sysfs Force libcfs to create 2 CPU partitions libkmod: kmod_module_get_holders: could not open '/sys/module/acpi_cpufreq/holders': No such file or directory ../libcfs/libcfs/libcfs options: 'cpu_npartitions=2' ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' quota/lquota options: 'hash_lqs_cur_bits=3' loading modules on: 'oleg315-server' oleg315-server: oleg315-server.virtnet: executing load_modules_local oleg315-server: Loading modules from /home/green/git/lustre-release/lustre oleg315-server: detected 4 online CPUs by sysfs oleg315-server: Force libcfs to create 2 CPU partitions oleg315-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg315-server: quota/lquota options: 'hash_lqs_cur_bits=3' Formatting mgs, mds, osts Format mds1: /dev/mapper/mds1_flakey Format mds2: /dev/mapper/mds2_flakey Format ost1: /dev/mapper/ost1_flakey Format ost2: /dev/mapper/ost2_flakey