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Hi,
I have a corrupt pool, which lives on a .vdi file of a VirtualBox. IIRC
the corruption (i.e. pool being not importable) was caused when I killed
virtual box, because it was hung.
This pool consists of a single vdev and I would really like to get some
files out of that thing. So I tried running zdb, but this fails with an
assertion failure:
Assertion failed: object_count == usedobjs (0xce == 0xcd), file
../zdb.c, line 1215
Abort (core dumped)
The core file consists of 107 threads. The thread with the assertion
failure has the following stack trace:
- - lwp# 1 / thread# 1
d2af1997 _lwp_kill (1, 6, 8047638, d2a9ab6e) + 7
d2a9ab7a raise(6, 0, 8047688, d2a71fea) + 22
d2a7200a abort(65737341, 6f697472, 6166206e, 64656c69, 626f203a,
7463656a) + f2
d2a7225a _assert (80478b0, 8062eec, 4bf, 1) + 82
08057116 dump_dir (82cadd8, 8047dac, 805aff8, 0) + 33e
08058b4f dump_zpool (81740c0, 8047dac) + 93
0805a1d8 main (0, 8047e0c, 8047e24, d2bfc7b4) + 598
08053d1d _start (5, 8047ec4, 8047ec8, 8047ecb, 8047ed0, 8047ed3) + 7d
So for me this looks like the object_count of a directory is
inconsistent. Any idea or hint what I could do now?
I read that there is some utility to roolback the pool for simple
(mirror) setups. This setup is even more simple as it consists of a
single vdev. So I would like to try it out.
Does anybody know, where I can get the tool, or how I could use zdb in
this situation to rollback the pool?
TIA,
Thomas
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