Bug 1025462

Summary:	iscsi storage domain: add possibility to check for backing lun extension
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	David Jaša <djasa>
Component:	RFEs	Assignee:	Andrew Cathrow <acathrow>
Status:	CLOSED DUPLICATE	QA Contact:	Shai Revivo <srevivo>
Severity:	low	Docs Contact:
Priority:	unspecified
Version:	3.3.0	CC:	abaron, acathrow, djasa, iheim, lpeer, pzhukov, rbalakri, yeylon
Target Milestone:	---	Keywords:	FutureFeature, Triaged
Target Release:	3.4.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	storage
Fixed In Version:		Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-11-04 16:07:36 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	Storage	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description David Jaša 2013-10-31 18:37:52 UTC

Description of problem:
some SANs allow online LUN extension. Using that in RHEV currently means some manual work:
1) on all hosts, rescan iscsi disks: echo "1" > /sys/block/sdX/device/rescan
2) on all hosts, resize multipathed device: multipathd -k'resize map dm-Y'
3) on SPM, run: pvresize /dev/dm-Y
4) let engine know current storage size (can be done by force-switching engine)

Version-Release number of selected component (if applicable):
encountered on 3.2

How reproducible:


Steps to Reproduce:
1. extend online backing iscsi LUN
2. try to make use of the new space in RHEV-M
3.

Actual results:


Expected results:


Additional info:

Comment 1 David Jaša 2013-10-31 18:41:33 UTC

steps to extend multipathed device are from RHEL docs: https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/DM_Multipath/MPIO_admin-troubleshoot.html#online_device_resize

Comment 3 David Jaša 2013-11-04 16:07:36 UTC

Yes. I didn't notice it while reporting so sorry for the noise.

*** This bug has been marked as a duplicate of bug 609689 ***