Bug 208450 – Mirror log not removed

Bug 208450 - Mirror log not removed

Summary:	Mirror log not removed

Status:	CLOSED CURRENTRELEASE

Aliases:	None

Product:	Red Hat Enterprise Linux 4
Classification:	Red Hat
Component:	lvm2 (Show other bugs)
Sub Component:
Version:	4.4
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Jonathan Earl Brassow
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Reported:	2006-09-28 13:12 EDT by Nate Straz
Modified:	2008-05-01 11:39 EDT (History)
CC List:	3 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
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Last Closed:	2007-01-26 14:10:39 EST
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Description Nate Straz 2006-09-28 13:12:32 EDT

Description of problem:

While cleaning up a mirror volume during lvm_config test cases, the mirror log
was not removed and pvremove failed.

Version-Release number of selected component (if applicable):
lvm2-2.02.06-6.0.RHEL4
device-mapper-1.02.07-4.0.RHEL4

How reproducible:
Unsure

Actual results:
[lvm_single_config] cleaning up LVs if need be on tank-01...
[lvm_single_config] removing lv /dev/mirror_1_5049/mirror_1_50490 on node tank-01
[lvm_single_config]
[lvm_single_config] cleaning up VGs if need be on tank-01...
[lvm_single_config] deactivating vg mirror_1_5049 on node tank-01
[lvm_single_config] removing vg mirror_1_5049 on node tank-01
[lvm_single_config]
[lvm_single_config] cleaning up PVs if need be on tank-01...
[lvm_single_config] removing pv /dev/sda1 on node tank-01
[lvm_single_config] removing pv /dev/sdb1 on node tank-01
[lvm_single_config]   Can't open /dev/sdb1 exclusively.  Mounted filesystem?
[lvm_single_config]   Device '/dev/sdc1' has been left open.
[lvm_single_config]   Device '/dev/sdc1' has been left open.
[lvm_single_config]   Device '/dev/sdd1' has been left open.
[lvm_single_config]   Device '/dev/sdd1' has been left open.

# dmsetup ls
mirror_1_5049-mirror_1_50490_mlog       (253, 2)
VolGroup00-LogVol01     (253, 1)
VolGroup00-LogVol00     (253, 0)


Expected results:

the mirror log should be removed when the lv is removed.

Additional info:

lvm_config random seed was 13846

Comment 1 Nate Straz 2006-09-28 13:20:01 EDT

I just learned that the random seed isn't going to help at all to recreate this.
Here are the two vol_config files that were used in the run.

[nstraz@try 07.lvm_single_config]$ cat vol_config_file.1
<volconfig name="random vol config">

        <vol name="mirror_1_5049" vm="lvm" type="mirror" legs="1"/>

</volconfig>
[nstraz@try 07.lvm_single_config]$ cat vol_config_file.2
<volconfig name="random vol config">

        <vol name="mirror_1_9274" vm="lvm" type="mirror" legs="1"/>

</volconfig>

Comment 2 Nate Straz 2006-09-28 15:37:46 EDT

I was able to reproduce this again on another node.

Comment 3 Jonathan Earl Brassow 2006-11-30 15:51:51 EST

I believe this has been fixed.  See bug 203739, which I think is a duplicate of
this bug.  (There is also a useful test script there for this sort of thing.)

Comment 4 Nate Straz 2006-12-08 10:01:14 EST

I haven't hit this in the latest set of trees.

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