[Ocfs2-users] How to fsck.ocfs2

[Werner Flamme]

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Werner Flamme [21.02.2011 16:01]:

Sunil,

finally, fsck.ocfs2 finished. The size of the protocol is 8404218 bytes,
and in my mind I do not see "bad" errors, only "mis-allocations" as they
may turn up with any other fsck too.

Here's the last line of log entries:

- ---snip---
[DIRENT_LENGTH] Directory inode 161569267 corrupted in logical block 1
physical block 28559137 offset 0. Attempt to repair this block's
directory entries? n
o2fsck_type_from_dinode: Bad magic number in inode while reading inode
14034875 to discover its file type
pass2: Bad magic number in inode while trying to verify the file type of
directory entry pcieaer
Pass 3: Checking directory connectivity.
[DIR_NOT_CONNECTED] Directory inode 14034904 isn't connected to the
filesystem.  Move it to lost+found? n
...
[DIR_NOT_CONNECTED] Directory inode 14034880 isn't connected to the
filesystem.  Move it to lost+found? n
[DIR_DOTDOT] Directory inode 14034880 is referenced by a dirent in
directory 0 but its '..' entry points to inode 14034513. Fix the '..'
entry to reference 0? n
[DIR_NOT_CONNECTED] Directory inode 14034881 isn't connected to the
filesystem.  Move it to lost+found? n
...
[DIR_DOTDOT] Directory inode 26609174 is referenced by a dirent in
directory 0 but its '..' entry points to inode 14034876. Fix the '..'
entry to reference 0? n
Pass 4a: checking for orphaned inodes
Pass 4b: Checking inodes link counts.
pass4: Internal logic faliure fsck's thinks inode 62 has a link count of
0 but on disk it is 1
[INODE_COUNT] Inode 62 has a link count of 0 on disk but directory entry
references come to 1. Update the count on disk to match? n
[INODE_COUNT] Inode 14034513 has a link count of 546 on disk but
directory entry references come to 541. Update the count on disk to match? n
...
[INODE_COUNT] Inode 111024331 has a link count of 11 on disk but
directory entry references come to 10. Update the count on disk to match? n
pass4: Internal logic faliure fsck's thinks inode 123478148 has a link
count of 0 but on disk it is 1
[INODE_COUNT] Inode 123478148 has a link count of 0 on disk but
directory entry references come to 57. Update the count on disk to match? n
pass4: Internal logic faliure fsck's thinks inode 123484242 has a link
count of 0 but on disk it is 1
[INODE_COUNT] Inode 123484242 has a link count of 0 on disk but
directory entry references come to 57. Update the count on disk to match? n
All passes succeeded.
- ---pins---

So, there may be some data loss, but in the whole, the disk will remain
useable when I use "fsck.ocfs2 -fy /dev/sdf"? With several new entries
in /lost+found, I think...

And again, I will send an o2image, but what filesize do I have to expect
with 183,500,800 clusters (and blocks)?

Regards,
Werner
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