Bug 585328 – down converting with a running up convert in progress causes the running up convert to run indefinately

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Bug 585328 - down converting with a running up convert in progress causes the running up convert to run indefinately

Summary:	down converting with a running up convert in progress causes the running up c...

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	lvm2 (Show other bugs)
Sub Component:
Version:	5.5
Hardware:	All Linux

Priority	high Severity high
Target Milestone:	rc
Target Release:	---
Assigned To:	Jonathan Earl Brassow
QA Contact:	Corey Marthaler
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2010-04-23 13:50 EDT by Corey Marthaler
Modified:	2011-01-13 17:41 EST (History)
CC List:	8 users (show)

See Also:
Fixed In Version:	lvm2-2.02.73-1.el5
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2011-01-13 17:41:19 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Patch that fixes problem (644 bytes, patch) 2010-08-25 17:21 EDT, Jonathan Earl Brassow	no flags	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2011:0052	normal	SHIPPED_LIVE	lvm2 bug fix and enhancement update	2011-01-12 12:15:25 EST

Groups: None (edit)

Description Corey Marthaler 2010-04-23 13:50:42 EDT

Description of problem:

[root@taft-01 tmp]# lvs -a -o +devices
  LV       VG         Attr   LSize  Origin Snap%  Move Log Copy%  Convert Devices        
  lv       taft       -wi-a-  1.00G                                       /dev/sdb1(0) 

[root@taft-01 tmp]# lvconvert -m 1 taft/lv
  taft/lv: Converted: 52.3%

  [ Attempt the down convert below here ]

  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%
  taft/lv: Converted: 100.0%

 # These 100.0% messages will continue forever now.


[root@taft-01 tmp]#  lvconvert -m 0 taft/lv
  Logical volume lv converted.

[root@taft-01 tmp]# lvs -a -o +devices
  LV       VG         Attr   LSize  Origin Snap%  Move Log Copy%  Convert Devices        
  lv       taft       -wi-a-  1.00G                                       /dev/sdb1(0)   


Version-Release number of selected component (if applicable):
lvm2-2.02.56-10.el5

How reproducible:
Everytime

Comment 1 Jonathan Earl Brassow 2010-08-25 17:21:33 EDT

Created attachment 441055 [details]
Patch that fixes problem

This patch causes the polling to stop if the LV is found to no longer be a mirror.

This patch applies to the rhel5 LVM tree.

I have not yet sent this patch upstream.

Comment 3 Milan Broz 2010-08-30 06:39:46 EDT

Fix in lvm2-2.02.73-1.el5.

Comment 5 Corey Marthaler 2010-11-05 17:43:12 EDT

Fix verified in the latest rpms.

2.6.18-227.el5

lvm2-2.02.74-1.el5    BUILT: Fri Oct 15 10:26:21 CDT 2010
lvm2-cluster-2.02.74-2.el5    BUILT: Fri Oct 29 07:48:11 CDT 2010
device-mapper-1.02.55-1.el5    BUILT: Fri Oct 15 06:15:55 CDT 2010
cmirror-1.1.39-10.el5    BUILT: Wed Sep  8 16:32:05 CDT 2010
kmod-cmirror-0.1.22-3.el5    BUILT: Tue Dec 22 13:39:47 CST 2009


[root@taft-01 ~]# lvs -a -o +devices
  LV       VG         Attr   LSize  Log Copy% Devices
  lv       taft       -wi-a-  1.00G           /dev/sdb1(0)
[root@taft-01 ~]# lvconvert -m 1 taft/lv
  taft/lv: Converted: 1.2%
  taft/lv: Converted: 48.8%

  [ Attempt the down convert below here ]

  ABORTING: Mirror percentage check failed.


[root@taft-01 ~]# lvconvert -m 0 taft/lv
  Logical volume lv converted.
[root@taft-01 ~]# lvs -a -o +devices
  LV       VG         Attr   LSize  Log Copy% Devices
  lv       taft       -wi-a-  1.00G           /dev/sdb1(0)

Comment 7 errata-xmlrpc 2011-01-13 17:41:19 EST

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0052.html

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