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Bug 1462929

Summary:	Disallow RAID reshaping/take-over in a cluster or when LV is under a snapshot
Product:	Red Hat Enterprise Linux 7	Reporter:	Jonathan Earl Brassow <jbrassow>
Component:	lvm2	Assignee:	Heinz Mauelshagen <heinzm>
lvm2 sub component:	Mirroring and RAID	QA Contact:	cluster-qe <cluster-qe>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	unspecified
Priority:	unspecified	CC:	agk, cmarthal, heinzm, jbrassow, lmiksik, msnitzer, prajnoha, prockai, tlavigne, zkabelac
Version:	7.3
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	lvm2-2.02.171-6.el7	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-08-01 21:54:18 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jonathan Earl Brassow 2017-06-19 17:40:44 UTC

We will defer the reshaping/takeover capabilities in a cluster or while the RAID LV is under a snapshot until RHEL7.5.

Comment 3 Heinz Mauelshagen 2017-06-19 19:17:38 UTC

1439399: upstream commit f342e803ba3c32890a2b08736fa94bdd541d5e9c
 
1448116.
1441562,
1448123: upstream commit fb46175ce7550fd6c9f40e6d8eec337fc2693e80

Comment 6 Corey Marthaler 2017-06-21 23:21:56 UTC

Marking verified in the latest rpms. 

3.10.0-685.el7.x86_64
lvm2-2.02.171-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
lvm2-libs-2.02.171-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
lvm2-cluster-2.02.171-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
device-mapper-1.02.140-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
device-mapper-libs-1.02.140-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
device-mapper-event-1.02.140-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
device-mapper-event-libs-1.02.140-6.el7    BUILT: Wed Jun 21 09:35:03 CDT 2017
device-mapper-persistent-data-0.7.0-0.1.rc6.el7    BUILT: Mon Mar 27 10:15:46 CDT 2017



# Cluster

[root@harding-03 ~]# lvconvert --yes -R 1024.00k  --type raid6_n_6 centipede2/takeover
  Using default stripesize 64.00 KiB.
  Conversion of centipede2/takeover not supported in the cluster.
[root@harding-03 ~]# lvconvert --yes --stripes 5 centipede2/takeover
  Using default stripesize 64.00 KiB.
  Conversion of centipede2/takeover not supported in the cluster.


# Snapshot

[root@harding-03 ~]# lvconvert --yes -R 16384.00k  --type raid6_ra_6 centipede2/takeover
  Using default stripesize 64.00 KiB.
  Can't convert snapshot origin centipede2/takeover.
[root@harding-03 ~]# lvconvert --yes --stripes 5 centipede2/takeover
  Using default stripesize 64.00 KiB.
  Can't convert snapshot origin centipede2/takeover.

Comment 7 Heinz Mauelshagen 2017-06-22 20:17:28 UTC

For reference,
these are the related bzs this one avoids by disabling respectively:

bugzilla.redhat.com/1439399
bugzilla.redhat.com/1447812
bugzilla.redhat.com/1448116
bugzilla.redhat.com/1461526

Comment 8 errata-xmlrpc 2017-08-01 21:54:18 UTC

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.

https://access.redhat.com/errata/RHBA-2017:2222