== conf-sanity test 111: Adding large_dir with over 2GB directory ========================================================== 07:05:06 (1717153506) oleg403-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 oleg403-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 oleg403-server stop mds service on oleg403-server stop mds service on oleg403-server unloading modules on: 'oleg403-server' oleg403-server: oleg403-server.virtnet: executing unload_modules_local 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 ea_inode,large_dir -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: 'oleg403-server' oleg403-server: oleg403-server.virtnet: executing load_modules_local oleg403-server: Loading modules from /home/green/git/lustre-release/lustre oleg403-server: detected 4 online CPUs by sysfs oleg403-server: Force libcfs to create 2 CPU partitions oleg403-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg403-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 -J size=93 -I 1024 -i 2560 -q -O ea_inode,large_dir,dirdata,uninit_bg,^extents,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init="0" -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0000 -J size=93 -I 1024 -i 2560 -q -O ea_inode,large_dir,dirdata,uninit_bg,^extents,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init="0" -F /dev/mapper/mds1_flakey 2400000k Writing CONFIGS/mountdata Starting mds1: -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg403-server: oleg403-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg403-client: oleg403-server: ssh exited with exit code 1 Commit the device label on /dev/mapper/mds1_flakey Started lustre-MDT0000 OST params: --mgsnode=oleg403-server@tcp --fsname=lustre --ost --index=0 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-O large_dir -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=192.168.204.103@tcp sys.timeout=20 device size = 4096MB formatting backing filesystem ldiskfs on /dev/mapper/ost1_flakey target name lustre:OST0000 kilobytes 200000 options -I 512 -q -O large_dir,extents,uninit_bg,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init="0" -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0000 -I 512 -q -O large_dir,extents,uninit_bg,dir_nlink,quota,project,huge_file,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init="0" -F /dev/mapper/ost1_flakey 200000k Writing CONFIGS/mountdata Starting ost1: -o localrecov /dev/mapper/ost1_flakey /mnt/lustre-ost1 oleg403-server: oleg403-server.virtnet: executing set_default_debug -1 all 8 pdsh@oleg403-client: oleg403-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: oleg403-client.virtnet: -o user_xattr,flock oleg403-server@tcp:/lustre /mnt/lustre Starting client oleg403-client.virtnet: -o user_xattr,flock oleg403-server@tcp:/lustre /mnt/lustre Started clients oleg403-client.virtnet: 192.168.204.103@tcp:/lustre on /mnt/lustre type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,noencrypt) mount lustre on /mnt/lustre2..... Starting client: oleg403-client.virtnet: -o user_xattr,flock oleg403-server@tcp:/lustre /mnt/lustre2 Starting client oleg403-client.virtnet: -o user_xattr,flock oleg403-server@tcp:/lustre /mnt/lustre2 Started clients oleg403-client.virtnet: 192.168.204.103@tcp:/lustre on /mnt/lustre2 type lustre (rw,checksum,flock,user_xattr,lruresize,lazystatfs,nouser_fid2path,verbose,noencrypt) UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1326500 1696 1206392 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 142216 1252 126964 1% /mnt/lustre[OST:0] filesystem_summary: 142216 1252 126964 1% /mnt/lustre UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 960000 272 959728 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 50000 268 49732 1% /mnt/lustre[OST:0] filesystem_summary: 50004 272 49732 1% /mnt/lustre creating 60000 hardlinks to oleg403-client.virtnet-0 creating 60000 hardlinks to oleg403-client.virtnet-1 waiting for PIDs 27126 27140 to complete - link 4674 (time 1717153555.10 total 10.00 last 467.29) - link 9410 (time 1717153565.10 total 20.00 last 473.54) - link 14004 (time 1717153575.10 total 30.00 last 459.38) - link 18487 (time 1717153585.10 total 40.00 last 448.29) - link 20000 (time 1717153588.00 total 42.90 last 522.63) - link 25460 (time 1717153598.00 total 52.90 last 545.92) - link 30000 (time 1717153606.19 total 61.10 last 553.86) - link 35179 (time 1717153616.20 total 71.10 last 517.79) - link 39827 (time 1717153626.20 total 81.10 last 464.73) - link 44672 (time 1717153636.20 total 91.10 last 484.47) - link 49463 (time 1717153646.20 total 101.10 last 479.00) - link 54044 (time 1717153656.20 total 111.10 last 458.09) - link 58930 (time 1717153666.20 total 121.11 last 488.57) total: 60000 link in 123.39 seconds: 486.25 ops/second - link 4678 (time 1717153555.18 total 10.00 last 467.74) - link 9413 (time 1717153565.18 total 20.00 last 473.40) - link 13990 (time 1717153575.19 total 30.00 last 457.66) - link 18485 (time 1717153585.19 total 40.01 last 449.43) - link 20000 (time 1717153588.11 total 42.93 last 518.39) - link 25485 (time 1717153598.11 total 52.93 last 548.42) - link 30000 (time 1717153606.21 total 61.03 last 557.35) - link 35179 (time 1717153616.21 total 71.03 last 517.79) - link 39798 (time 1717153626.21 total 81.03 last 461.89) - link 44621 (time 1717153636.21 total 91.03 last 482.26) - link 49393 (time 1717153646.21 total 101.03 last 477.19) - link 53976 (time 1717153656.22 total 111.04 last 458.21) - link 58865 (time 1717153666.22 total 121.04 last 488.85) total: 60000 link in 123.47 seconds: 485.94 ops/second estimate 5178s left after 120000 files / 123s umount lustre on /mnt/lustre2..... Stopping client oleg403-client.virtnet /mnt/lustre2 (opts:-f) umount lustre on /mnt/lustre..... Stopping client oleg403-client.virtnet /mnt/lustre (opts:) stop ost1 service on oleg403-server Stopping /mnt/lustre-ost1 (opts:-f) on oleg403-server stop mds service on oleg403-server Stopping /mnt/lustre-mds1 (opts:-f) on oleg403-server LNET ready to unload unloading modules on: 'oleg403-server' oleg403-server: oleg403-server.virtnet: executing unload_modules_local oleg403-server: LNET ready to unload modules unloaded. ETA 5178s after 120000 files / 123s is too long e2fsck -d -v -t -t -f -n /dev/mapper/mds1_flakey -m8 oleg403-server: e2fsck 1.46.2.wc5 (26-Mar-2022) oleg403-server: Use max possible thread num: 1 instead Pass 1: Checking inodes, blocks, and sizes [Thread 0] Scan group range [0, 30) [Thread 0] jumping to group 0 [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 152 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 186 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 187 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 188 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 189 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] e2fsck_pass1_run:2564: increase inode 192 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 193 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 194 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 195 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 196 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 197 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 198 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 199 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 200 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 201 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 202 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 203 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 204 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 205 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 206 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 207 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 208 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 209 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 210 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 211 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 212 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 213 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 214 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 215 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 216 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 217 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 218 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 219 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 220 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 221 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 223 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 224 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 225 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 226 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 227 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 228 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 229 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 230 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 231 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 232 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 233 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 234 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 235 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 236 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 237 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 238 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 239 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 240 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 241 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 242 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 243 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 244 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 245 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 246 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 247 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 248 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 249 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 250 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 251 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 252 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 253 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 254 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 255 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 256 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 257 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 258 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 259 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 260 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 261 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 262 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 263 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 264 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 265 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 266 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 267 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 268 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 269 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 270 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 271 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 276 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2564: increase inode 277 badness 0 to 2 for 10084 [Thread 0] group 1 finished [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] group 20 finished [Thread 0] group 21 finished [Thread 0] group 22 finished [Thread 0] group 23 finished [Thread 0] group 24 finished [Thread 0] group 25 finished [Thread 0] group 26 finished [Thread 0] group 27 finished [Thread 0] group 28 finished [Thread 0] group 29 finished [Thread 0] group 30 finished [Thread 0] Pass 1: Memory used: 376k/1212k (121k/256k), time: 0.02/ 0.01/ 0.00 [Thread 0] Pass 1: I/O read: 2MB, write: 0MBoleg403-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51466240, 266) != expected (51474432, 266) oleg403-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51466240, 266) != expected (51474432, 266) oleg403-server: [QUOTA WARNING] Usage inconsistent for ID 0:actual (51466240, 266) != expected (51474432, 266) pdsh@oleg403-client: oleg403-server: ssh exited with exit code 4 , rate: 124.28MB/s [Thread 0] Scanned group range [0, 30), inodes 277 Pass 2: Checking directory structure Pass 2: Memory used: 376k/304k (81k/296k), time: 0.35/ 0.30/ 0.04 Pass 2: I/O read: 49MB, write: 0MB, rate: 141.61MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 376k/304k (82k/295k), time: 0.40/ 0.35/ 0.05 Pass 3: Memory used: 376k/304k (80k/297k), 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: 376k/0k (69k/308k), time: 0.02/ 0.02/ 0.00 Pass 4: I/O read: 1MB, write: 0MB, rate: 46.33MB/s Pass 5: Checking group summary information Pass 5: Memory used: 376k/0k (68k/309k), time: 0.00/ 0.00/ 0.00 Pass 5: I/O read: 1MB, write: 0MB, rate: 431.97MB/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 (0.03%, out of 960000) 3 non-contiguous files (1.1%) 1 non-contiguous directory (0.4%) # of inodes with ind/dind/tind blocks: 1/1/0 278363 blocks used (46.39%, 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: 376k/0k (67k/310k), time: 0.43/ 0.37/ 0.05 I/O read: 49MB, write: 0MB, rate: 115.19MB/s pdsh@oleg403-client: oleg403-client: ssh exited with exit code 2 pdsh@oleg403-client: oleg403-server: ssh exited with exit code 2 pdsh@oleg403-client: oleg403-client: ssh exited with exit code 2 pdsh@oleg403-client: oleg403-server: ssh exited with exit code 2 Stopping clients: oleg403-client.virtnet /mnt/lustre (opts:-f) Stopping clients: oleg403-client.virtnet /mnt/lustre2 (opts:-f) pdsh@oleg403-client: oleg403-server: ssh exited with exit code 2 oleg403-server: oleg403-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 ../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: 'oleg403-server' oleg403-server: oleg403-server.virtnet: executing load_modules_local oleg403-server: Loading modules from /home/green/git/lustre-release/lustre oleg403-server: detected 4 online CPUs by sysfs oleg403-server: Force libcfs to create 2 CPU partitions oleg403-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg403-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