# rpm -qf /usr/sbin/fsck.reiser4
reiser4progs-1.1.0-35.1.x86_64
# rpm -qf /sbin/fsck
util-linux-2.25-7.2.x86_64
# fsck.reiser4 --check /dev/sdb
*******************************************************************
This is an EXPERIMENTAL version of fsck.reiser4. Read README first.
*******************************************************************
Fscking the /dev/sdb block device.
Will check the consistency of the Reiser4 SuperBlock.
Will check the consistency of the Reiser4 FileSystem.
Continue?
(Yes/No): yes
***** fsck.reiser4 started at Sun Jun 5 16:59:53 2016
FSCK: backup.c: 505: repair_backup_open: Found backup does not match to
the on-disk filesystem metadata.
Backup update is needed.
Reiser4 fs was detected on /dev/sdb.
Master super block (16):
magic: ReIsEr4
blksize: 4096
format: 0x0 (format40)
uuid: 3006ced1-7490-4ea8-a9b8-d82143c6bede
label: <none>
Format super block (17):
plugin: format40
description: Disk-format plugin.
version: 1
magic: ReIsEr40FoRmAt
mkfs id: 0x1ddaf754
flushes: 0
blocks: 488378640
free blocks: 217146980
root block: 37017218
tail policy: 0x2 (smart)
next oid: 0xedade
file count: 188313
tree height: 6
key policy: LARGE
CHECKING THE STORAGE TREE
Read nodes 197007773
Nodes left in the tree 197007773
Leaves of them 194763637, Twigs of them 2217790
Time interval: Sun Jun 5 17:01:50 2016 - Mon Jun 6 00:27:47 2016
CHECKING EXTENT REGIONS.
Read twigs 2217790
Time interval: Mon Jun 6 00:27:47 2016 - Mon Jun 6 02:37:21 2016
CHECKING THE SEMANTIC TREE
FSCK: semantic.c: 573: repair_semantic_dir_open: Failed to recognize the
plugin for the directory [29:0:2a].
FSCK: semantic.c: 651: repair_semantic_root_prepare: No root directory
opened.
Time interval: Mon Jun 6 02:37:21 2016 - Mon Jun 6 02:37:21 2016
FSCK: repair.c: 547: repair_sem_fini: On-disk used block bitmap and really
used block bitmap differ.
***** fsck.reiser4 finished at Mon Jun 6 02:37:21 2016
Closing fs...done
1 fixable corruptions were detected in the SuperBlock. Run with --fix
option to fix them.
2 fatal corruptions were detected in FileSystem. Run with --build-fs
option to fix them.
--Glenn
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