Bug 755762 – LVM: vgsplit does not work with mirrors that have mirrored logs

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Bug 755762 - LVM: vgsplit does not work with mirrors that have mirrored logs

Summary:	LVM: vgsplit does not work with mirrors that have mirrored logs

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	lvm2 (Show other bugs)
Sub Component:
Version:	5.8
Hardware:	x86_64 Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Jonathan Earl Brassow
QA Contact:	Cluster QE
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:	743932
Blocks:	747120 758797
	Show dependency tree / graph

Reported:	2011-11-21 19:15 EST by Corey Marthaler
Modified:	2012-02-21 01:05 EST (History)
CC List:	11 users (show)

See Also:
Fixed In Version:	lvm2-2.02.88-5.el5
Doc Type:	Bug Fix
Doc Text:	vgsplit is now able to split a volume group containing a mirror with mirrored logs.
Story Points:	---
Clone Of:	743932
Environment:
Last Closed:	2012-02-21 01:05:50 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)
RHEL5.8 port of upstream patch (4.21 KB, patch) 2011-11-22 16:27 EST, 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-2012:0161	normal	SHIPPED_LIVE	lvm2 bug fix and enhancement update	2012-02-20 10:07:59 EST

Groups: None (edit)

Comment 1 Corey Marthaler 2011-11-21 19:19:35 EST

This exists in the latest 5.8 rpms as well.

2.6.18-274.el5

lvm2-2.02.88-4.el5    BUILT: Wed Nov 16 09:40:55 CST 2011
lvm2-cluster-2.02.88-4.el5    BUILT: Wed Nov 16 09:46:51 CST 2011
device-mapper-1.02.67-2.el5    BUILT: Mon Oct 17 08:31:56 CDT 2011
device-mapper-event-1.02.67-2.el5    BUILT: Mon Oct 17 08:31:56 CDT 2011
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@grant-01 ~]# pvscan
  PV /dev/sdb1   VG seven        lvm2 [68.11 GB / 68.02 GB free]
  PV /dev/sdc3   VG seven        lvm2 [90.82 GB / 90.72 GB free]
  PV /dev/sdc2   VG seven        lvm2 [90.82 GB / 90.82 GB free]
  PV /dev/sdc1   VG seven        lvm2 [90.82 GB / 90.82 GB free]
  PV /dev/sdb2   VG seven        lvm2 [68.11 GB / 68.11 GB free]

[root@grant-01 ~]# lvs -a -o +devices
  LV                   VG     Attr   LSize   Log       Devices
  rlog                 seven  mwi--- 100.00M rlog_mlog
rlog_mimage_0(0),rlog_mimage_1(0)
  [rlog_mimage_0]      seven  Iwi--- 100.00M           /dev/sdb1(0)
  [rlog_mimage_1]      seven  Iwi--- 100.00M           /dev/sdc3(0)
  [rlog_mlog]          seven  mwi---   4.00M          
rlog_mlog_mimage_0(0),rlog_mlog_mimage_1(0)
  [rlog_mlog_mimage_0] seven  Iwi---   4.00M           /dev/sdc1(0)
  [rlog_mlog_mimage_1] seven  Iwi---   4.00M           /dev/sdb2(0)

[root@grant-01 ~]# vgsplit -n rlog seven ten
  Can't split mirror rlog between two Volume Groups

Comment 2 Jonathan Earl Brassow 2011-11-22 16:27:34 EST

Created attachment 535200 [details]
RHEL5.8 port of upstream patch

Comment 3 Milan Broz 2011-12-02 18:01:03 EST

Fixed in lvm2-2.02.88-5.el5.

Comment 6 Corey Marthaler 2011-12-05 14:21:19 EST

Fix verified in the latest rpms.

2.6.18-274.el5

lvm2-2.02.88-5.el5    BUILT: Fri Dec  2 12:25:45 CST 2011
lvm2-cluster-2.02.88-5.el5    BUILT: Fri Dec  2 12:48:37 CST 2011
device-mapper-1.02.67-2.el5    BUILT: Mon Oct 17 08:31:56 CDT 2011
device-mapper-event-1.02.67-2.el5    BUILT: Mon Oct 17 08:31:56 CDT 2011
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


SCENARIO - [split_rlog_mirror_lv]
Split out a redundant log mirrored lv on grant-01
free pvs for grant-01: /dev/sdb1 /dev/sdc2 /dev/sdc1 /dev/sdc3 /dev/sdb2
create a redundant log mirror
deactivating seven/rlog
grant-01: vgsplit -n rlog seven ten
Deactivating and removing volume groups...  


SCENARIO - [split_rlog_mirror_pvs]
Split out pvs of a redundant log mirror on grant-01
free pvs for grant-01: /dev/sdb2 /dev/sdc2 /dev/sdc3 /dev/sdb1 /dev/sdc1
create a redundant log mirror
deactivating seven/rlog
grant-01: vgsplit seven ten /dev/sdb2 /dev/sdc2 /dev/sdc3
Deactivating and removing volume groups...

Comment 7 Milan Broz 2011-12-06 18:36:18 EST

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
vgsplit is now able to split a volume group containing a mirror with mirrored logs.

Comment 8 errata-xmlrpc 2012-02-21 01:05:50 EST

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-0161.html

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