[root@fir-md1-s4 ~]# mount -t ldiskfs /dev/mapper/md1-rbod2-mdt3 /mnt/ldiskfs 217 cd /mnt/ldiskfs 220 llog_reader changelog_catalog >/root/changelog_catalog 227 llog_reader O/1/d22/287350 >/root/chglog_287350 229 llog_reader O/1/d5/5 >/root/chglog_5 231 llog_reader O/1/d21/306357 >/root/chglog_306357 233 llog_reader changelog_users >/root/changelog_users 235 llog_reader O/1/d18/146 >/root/changelog_users_146 [root@fir-md1-s4 ldiskfs]# llog_reader O/1/d4/4 llog_reader: Could not open the file O/1/d4/4.: No such file or directory (2) [root@fir-md1-s4 ldiskfs]# ls -l total 10262372 -rw-r--r-- 1 root root 8 Jan 24 2019 BATCHID -rw-r--r-- 1 root root 3072 Jan 24 2019 CATALOGS -rw-r--r-- 1 root root 4153280 Jan 24 2019 changelog_catalog -rw-r--r-- 1 root root 8256 Jan 24 2019 changelog_users drwxr-xr-x 2 root root 4096 Jan 24 2019 CONFIGS -rw-rw-rw- 1 root root 8192 Jan 24 2019 fld -rw-r--r-- 1 root root 0 Jan 24 2019 hsm_actions drwxr-xr-x 2 root root 4096 Jan 24 2019 index_backup -rw-r--r-- 1 root root 207616 Jan 24 2019 last_rcvd drw-r--r-- 2 root root 4096 Jan 24 2019 LFSCK -rw-r--r-- 1 root root 64 Jan 24 2019 lfsck_bookmark -rw-r--r-- 1 root root 272 Jan 24 2019 lfsck_layout -rw-r--r-- 1 root root 8192 Jan 24 2019 lfsck_namespace drwx------ 2 root root 16384 Jan 24 2019 lost+found -rw-r--r-- 1 root root 768 Jan 24 2019 lov_objid -rw-r--r-- 1 root root 768 Jan 24 2019 lov_objseq -rw-r--r-- 1 root root 8192 Nov 10 10:50 nodemap drwxr-xr-x 5 root root 4096 Jan 24 2019 O -rw-r--r-- 1 root root 174440448 Jan 24 2019 oi.16.0 -rw-r--r-- 1 root root 161611776 Jan 24 2019 oi.16.1 -rw-r--r-- 1 root root 155787264 Jan 24 2019 oi.16.10 -rw-r--r-- 1 root root 184385536 Jan 24 2019 oi.16.11 -rw-r--r-- 1 root root 169299968 Jan 24 2019 oi.16.12 -rw-r--r-- 1 root root 229478400 Jan 24 2019 oi.16.13 -rw-r--r-- 1 root root 169271296 Jan 24 2019 oi.16.14 -rw-r--r-- 1 root root 120057856 Jan 24 2019 oi.16.15 -rw-r--r-- 1 root root 171458560 Jan 24 2019 oi.16.16 -rw-r--r-- 1 root root 200818688 Jan 24 2019 oi.16.17 -rw-r--r-- 1 root root 173527040 Jan 24 2019 oi.16.18 -rw-r--r-- 1 root root 198656000 Jan 24 2019 oi.16.19 -rw-r--r-- 1 root root 125112320 Jan 24 2019 oi.16.2 -rw-r--r-- 1 root root 172703744 Jan 24 2019 oi.16.20 -rw-r--r-- 1 root root 185696256 Jan 24 2019 oi.16.21 -rw-r--r-- 1 root root 192020480 Jan 24 2019 oi.16.22 -rw-r--r-- 1 root root 173998080 Jan 24 2019 oi.16.23 -rw-r--r-- 1 root root 180293632 Jan 24 2019 oi.16.24 -rw-r--r-- 1 root root 202711040 Jan 24 2019 oi.16.25 -rw-r--r-- 1 root root 157687808 Jan 24 2019 oi.16.26 -rw-r--r-- 1 root root 150626304 Jan 24 2019 oi.16.27 -rw-r--r-- 1 root root 192262144 Jan 24 2019 oi.16.28 -rw-r--r-- 1 root root 174047232 Jan 24 2019 oi.16.29 -rw-r--r-- 1 root root 153513984 Jan 24 2019 oi.16.3 -rw-r--r-- 1 root root 157478912 Jan 24 2019 oi.16.30 -rw-r--r-- 1 root root 160636928 Jan 24 2019 oi.16.31 -rw-r--r-- 1 root root 158302208 Jan 24 2019 oi.16.32 -rw-r--r-- 1 root root 200835072 Jan 24 2019 oi.16.33 -rw-r--r-- 1 root root 192516096 Jan 24 2019 oi.16.34 -rw-r--r-- 1 root root 164474880 Jan 24 2019 oi.16.35 -rw-r--r-- 1 root root 179003392 Jan 24 2019 oi.16.36 -rw-r--r-- 1 root root 174784512 Jan 24 2019 oi.16.37 -rw-r--r-- 1 root root 193847296 Jan 24 2019 oi.16.38 -rw-r--r-- 1 root root 167419904 Jan 24 2019 oi.16.39 -rw-r--r-- 1 root root 150147072 Jan 24 2019 oi.16.4 -rw-r--r-- 1 root root 157384704 Jan 24 2019 oi.16.40 -rw-r--r-- 1 root root 134807552 Jan 24 2019 oi.16.41 -rw-r--r-- 1 root root 141643776 Jan 24 2019 oi.16.42 -rw-r--r-- 1 root root 174358528 Jan 24 2019 oi.16.43 -rw-r--r-- 1 root root 156856320 Jan 24 2019 oi.16.44 -rw-r--r-- 1 root root 150884352 Jan 24 2019 oi.16.45 -rw-r--r-- 1 root root 158883840 Jan 24 2019 oi.16.46 -rw-r--r-- 1 root root 149164032 Jan 24 2019 oi.16.47 -rw-r--r-- 1 root root 161406976 Jan 24 2019 oi.16.48 -rw-r--r-- 1 root root 143556608 Jan 24 2019 oi.16.49 -rw-r--r-- 1 root root 165703680 Jan 24 2019 oi.16.5 -rw-r--r-- 1 root root 146550784 Jan 24 2019 oi.16.50 -rw-r--r-- 1 root root 134721536 Jan 24 2019 oi.16.51 -rw-r--r-- 1 root root 157790208 Jan 24 2019 oi.16.52 -rw-r--r-- 1 root root 119083008 Jan 24 2019 oi.16.53 -rw-r--r-- 1 root root 138162176 Jan 24 2019 oi.16.54 -rw-r--r-- 1 root root 128000000 Jan 24 2019 oi.16.55 -rw-r--r-- 1 root root 123301888 Jan 24 2019 oi.16.56 -rw-r--r-- 1 root root 127127552 Jan 24 2019 oi.16.57 -rw-r--r-- 1 root root 150495232 Jan 24 2019 oi.16.58 -rw-r--r-- 1 root root 166645760 Jan 24 2019 oi.16.59 -rw-r--r-- 1 root root 176488448 Jan 24 2019 oi.16.6 -rw-r--r-- 1 root root 137744384 Jan 24 2019 oi.16.60 -rw-r--r-- 1 root root 162385920 Jan 24 2019 oi.16.61 -rw-r--r-- 1 root root 175022080 Jan 24 2019 oi.16.62 -rw-r--r-- 1 root root 181334016 Jan 24 2019 oi.16.63 -rw-r--r-- 1 root root 173912064 Jan 24 2019 oi.16.7 -rw-r--r-- 1 root root 160595968 Jan 24 2019 oi.16.8 -rw-r--r-- 1 root root 161243136 Jan 24 2019 oi.16.9 -rw-r--r-- 1 root root 408 Jan 24 2019 OI_scrub drwxr-xr-x 2 root root 3362816 Jan 24 2019 PENDING drwxr-xr-x 2 root root 4096 Jan 24 2019 quota_slave drwxr-xr-x 34 root root 6983680 Nov 4 12:06 REMOTE_PARENT_DIR -rw-r--r-- 1 root root 8789376 Jan 24 2019 reply_data -rw-rw-rw- 1 root root 24 Jan 24 2019 seq_srv -rw-r--r-- 1 root root 128 Jan 24 2019 update_log drw-r--r-- 2 root root 24576 Jan 24 2019 update_log_dir [root@fir-md1-s4 ldiskfs]# stat changelog_catalog File: ‘changelog_catalog’ Size: 4153280 Blocks: 8136 IO Block: 4096 regular file Device: fd04h/64772d Inode: 101 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2019-11-22 08:34:41.925872337 -0800 Modify: 2019-01-24 14:04:30.416883094 -0800 Change: 2019-01-24 14:04:30.416883094 -0800 Birth: - [root@fir-md1-s4 ldiskfs]# stat changelog_users File: ‘changelog_users’ Size: 8256 Blocks: 24 IO Block: 4096 regular file Device: fd04h/64772d Inode: 102 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2019-11-22 08:38:16.716993255 -0800 Modify: 2019-01-24 14:04:30.416883094 -0800 Change: 2019-01-24 14:04:30.416883094 -0800 Birth: - [root@fir-md1-s4 ldiskfs]# mv changelog_catalog chagnelog_catalog.bak [root@fir-md1-s4 ldiskfs]# mv changelog_users changelog_users.bak [root@fir-md1-s4 ldiskfs]# mv O/1/d5/5 O/1/d5/5.bak [root@fir-md1-s4 ldiskfs]# mv O/1/d4/4 O/1/d4/4.bak mv: cannot stat ‘O/1/d4/4’: No such file or directory [root@fir-md1-s4 ldiskfs]# umount /mnt/ldiskfs [root@fir-md1-s4 ldiskfs]# ### Mount Lustre MDT again [root@fir-md1-s4 ~]# lctl --device fir-MDT0003 changelog_register fir-MDT0003: Registered changelog userid 'cl1' 2019/11/22 09:08:49 [38287/1] STATS | ChangeLog reader #3: 2019/11/22 09:08:49 [38287/1] STATS | fs_name = fir 2019/11/22 09:08:49 [38287/1] STATS | mdt_name = MDT0003 2019/11/22 09:08:49 [38287/1] STATS | reader_id = cl1 2019/11/22 09:08:49 [38287/1] STATS | records read = 163711 2019/11/22 09:08:49 [38287/1] STATS | interesting records = 4745 2019/11/22 09:08:49 [38287/1] STATS | suppressed records = 157910 2019/11/22 09:08:49 [38287/1] STATS | records pending = 754 2019/11/22 09:08:49 [38287/1] STATS | last received: rec_id=163711, rec_time=2019/11/22 09:08:48.900961, received at 2019/11/22 09:08:48.966484 2019/11/22 09:08:49 [38287/1] STATS | receive speed: 197.90 rec/sec, log/real time ratio: 1.00 2019/11/22 09:08:49 [38287/1] STATS | last pushed: rec_id=104312, rec_time=2019/11/22 09:03:47.921133, pushed at 2019/11/22 09:08:48.857972 2019/11/22 09:08:49 [38287/1] STATS | push speed: 347.70 rec/sec, log/real time ratio: 2.89 2019/11/22 09:08:49 [38287/1] STATS | last committed: rec_id=104312, rec_time=2019/11/22 09:03:47.921133, committed at 2019/11/22 09:08:48.862590 2019/11/22 09:08:49 [38287/1] STATS | commit speed: 347.70 rec/sec, log/real time ratio: 2.89 2019/11/22 09:08:49 [38287/1] STATS | last cleared: rec_id=104312, rec_time=2019/11/22 09:03:47.921133, cleared at 2019/11/22 09:08:48.869182 2019/11/22 09:08:49 [38287/1] STATS | ChangeLog stats: 2019/11/22 09:08:49 [38287/1] STATS | MARK: 0, CREAT: 3035, MKDIR: 49, HLINK: 0, SLINK: 0, MKNOD: 0, UNLNK: 2317, RMDIR: 20 2019/11/22 09:08:49 [38287/1] STATS | RENME: 1037, RNMTO: 0, OPEN: 0, CLOSE: 156742, LYOUT: 83, TRUNC: 336, SATTR: 64, XATTR: 0 2019/11/22 09:08:49 [38287/1] STATS | HSM: 0, MTIME: 28, CTIME: 0, ATIME: 0, MIGRT: 0, FLRW: 0, RESYNC: 0, GXATR: 0, NOPEN: 0