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Bug 717952

Summary: [vdsm] moveImage with force Override to vm with 10 disks to NFS export domain always fails.
Product: Red Hat Enterprise Linux 6 Reporter: David Naori <dnaori>
Component: vdsmAssignee: Igor Lvovsky <ilvovsky>
Status: CLOSED ERRATA QA Contact: David Naori <dnaori>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.1CC: abaron, bazulay, danken, dnaori, hateya, iheim, lpeer, mgoldboi, tdosek, ykaul
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard: storage
Fixed In Version: vdsm-4.9-82 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-12-06 07:30:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
vdsm-logs none

Description David Naori 2011-06-30 14:07:42 UTC 
Created attachment 510686 [details]
vdsm-logs

Description of problem:

When exporting vm with 10 disks (cow sparse) to nfs export-domain with force override- export fails:

**the existent vm on the export domain is still displayed on getVmsInfo. but trying to import that vm fails (those volumes are partly deleted).

bccfa32c-5012-4a39-9f13-6a4ed75b4b45::ERROR::2011-06-30 16:32:05,322::task::865::TaskManager.Task::(_setError) Unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/storage/task.py", line 873, in _run
    return fn(*args, **kargs)
  File "/usr/share/vdsm/storage/task.py", line 300, in run
    return self.cmd(*self.argslist, **self.argsdict)
  File "/usr/share/vdsm/storage/spm.py", line 115, in run
    return self.func(*args, **kwargs)
  File "/usr/share/vdsm/storage/spm.py", line 818, in moveImage
    image.Image(repoPath).move(srcDomUUID, dstDomUUID, imgUUID, vmUUID, op, postZero, force)
  File "/usr/share/vdsm/storage/image.py", line 563, in move
    self.__templateRelink(dstSdUUID, imgUUID, leafVol.volUUID)
  File "/usr/share/vdsm/storage/image.py", line 382, in __templateRelink
    chList = vol.getAllChildrenList(self.repoPath, sdUUID, imgUUID, volUUID)
  File "/usr/share/vdsm/storage/fileVolume.py", line 377, in getAllChildrenList
    if SDF.produce(sdUUID).produceVolume(imgUUID, volid).getParent() == pvolUUID:
  File "/usr/share/vdsm/storage/fileSD.py", line 135, in produceVolume
    return fileVolume.FileVolume(repoPath, self.sdUUID, imgUUID, volUUID)
  File "/usr/share/vdsm/storage/fileVolume.py", line 35, in __init__
    volume.Volume.__init__(self, repoPath, sdUUID, imgUUID, volUUID)
  File "/usr/share/vdsm/storage/volume.py", line 111, in __init__
    self.validate()
  File "/usr/share/vdsm/storage/volume.py", line 117, in validate
    self.validateImagePath()
  File "/usr/share/vdsm/storage/fileVolume.py", line 480, in validateImagePath
    raise se.ImagePathError(imageDir)
ImagePathError: Image path does not exist or cannot be accessed/created: ('/rhev/data-center/400b08e6-8d9d-4470-91b9-3b8076351314/7fea1def-0290-4279-9f52-341ff3c4a508/images/2bc5dfca-a04d-4b33-9d44-7e45f2a3a9e4',)


Version-Release number of selected component (if applicable):
vdsm-cli-4.9-79.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1.export a based on template vm with 10 disks or more. (with or without exporting the template before)

2.export that same vm with force override option.

Actual results:
Export fails and corrupted vm is still displayed on getVmsInfo.

Expected results:


Additional info:
Comment 2 Dan Kenigsberg 2011-06-30 18:46:01 UTC 
Isn't this related to qemu-img bug 715040 ?
Comment 4 Igor Lvovsky 2011-07-03 13:48:33 UTC 
http://gerrit.usersys.redhat.com/#change,646
Comment 5 David Naori 2011-07-03 14:00:58 UTC 
Another senario that cause the same behaviour is:
export a template and its child vm (with many disks)- one after another when they are already exist in the export domain.
Comment 7 Tomas Dosek 2011-07-22 06:40:06 UTC 
Verified - vdsm-4.9-82.el6 - above described scenarios no longer reproduce on vdsm-4.9-82.
Comment 8 errata-xmlrpc 2011-12-06 07:30:08 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.

http://rhn.redhat.com/errata/RHEA-2011-1782.html