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Bug 1223456

Summary: vdsm dosn't refresh size of iscsi luns
Product: Red Hat Enterprise Virtualization Manager Reporter: Pavel Zhukov <pzhukov>
Component: vdsmAssignee: Nir Soffer <nsoffer>
Status: CLOSED DUPLICATE QA Contact: Aharon Canan <acanan>
Severity: high Docs Contact:
Priority: high    
Version: 3.5.1CC: amureini, bazulay, ecohen, frolland, gklein, lpeer, lsurette, mkalinin, nsoffer, oourfali, pzhukov, yeylon
Target Milestone: ovirt-3.6.3Keywords: Regression
Target Release: 3.6.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: storage
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-05-25 16:17:50 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:
Attachments:
Description Flags
vdsm.log none

Description Pavel Zhukov 2015-05-20 14:37:24 UTC 
I'm sorry but I'm coping content of https://bugzilla.redhat.com/show_bug.cgi?id=921643 here

Description of problem:
vdsm doen't refresh luns info ("multipath -F") before getDeviceList. 

Version-Release number of selected component (if applicable):
vdsm-4.16.13.1-1.el6ev.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Try to add iscsi lun as master SD (press login)
2. Cancel operation
3. Change volume size
4. Try to add iscsi lun again
  
Actual results:
old size is displayed. Failed to create master SD if old size was <10GB

Expected results:
New size should be appears. Master domain should be created


Additional info:
login to rhevh and run "multipath -F" fix the issue
Comment 1 Pavel Zhukov 2015-05-20 16:07:58 UTC 
Created attachment 1027784 [details]
vdsm.log
Comment 2 Pavel Zhukov 2015-05-20 16:14:19 UTC 
Thread-5283::DEBUG::2015-05-20 18:09:21,643::multipath::129::Storage.Misc.excCmd::(rescan) /usr/bin/sudo -n /sbin/multipath (cwd None)

multipath -r did the trick. Regression in http://gerrit.ovirt.org/27242 ?