[ovirt-users] oVirt 3.5.1 - VM "hostedengine" Failing to start

[Mikola Rose]

Found the cause of this issue...

the __DIRECT_IO_TEST__ on the mount was inaccessible due to permisions.

removed the file and it was recreated


On Jan 27, 2015, at 5:10 PM, Mikola Rose <mrose at power-soft.com<mailto:mrose at power-soft.com>> wrote:

Hi there,


I seem to have run into a problem.  my hosted engine vm is failing to start;

vdsm.log;


Thread-20::DEBUG::2015-01-27 16:53:37,999::fileSD::152::Storage.StorageDomain::(__init__) Reading domain in path /rhev/data-center/mnt/192.168.1.32:_Volumes_Raid1/443b4931-667f-441f-98d8-51384e67a0af
Thread-20::ERROR::2015-01-27 16:53:38,000::domainMonitor::256::Storage.DomainMonitorThread::(_monitorDomain) Error while collecting domain 443b4931-667f-441f-98d8-51384e67a0af monitoring information
Traceback (most recent call last):
  File "/usr/share/vdsm/storage/domainMonitor.py", line 221, in _monitorDomain
    self.domain = sdCache.produce(self.sdUUID)
  File "/usr/share/vdsm/storage/sdc.py", line 98, in produce
    domain.getRealDomain()
  File "/usr/share/vdsm/storage/sdc.py", line 52, in getRealDomain
    return self._cache._realProduce(self._sdUUID)
  File "/usr/share/vdsm/storage/sdc.py", line 122, in _realProduce
    domain = self._findDomain(sdUUID)
  File "/usr/share/vdsm/storage/sdc.py", line 141, in _findDomain
    dom = findMethod(sdUUID)
  File "/usr/share/vdsm/storage/nfsSD.py", line 122, in findDomain
    return NfsStorageDomain(NfsStorageDomain.findDomainPath(sdUUID))
  File "/usr/share/vdsm/storage/fileSD.py", line 159, in __init__
    validateFileSystemFeatures(sdUUID, self.mountpoint)
  File "/usr/share/vdsm/storage/fileSD.py", line 88, in validateFileSystemFeatures
    oop.getProcessPool(sdUUID).directTouch(testFilePath)
  File "/usr/share/vdsm/storage/outOfProcess.py", line 320, in directTouch
    ioproc.touch(path, flags, mode)
  File "/usr/lib/python2.6/site-packages/ioprocess/__init__.py", line 507, in touch
    self.timeout)
  File "/usr/lib/python2.6/site-packages/ioprocess/__init__.py", line 391, in _sendCommand
    raise OSError(errcode, errstr)
OSError: [Errno 13] Permission denied

I assume this is an nfs issue so I checked to see if I could create a file in the mounts from the host machine,  which I could.

My test bed is usign an old OS X NFS via xraid adn the export is ;
/Volumes/Raid1 -maproot=root:wheel -network 192.168.1.0 -mask 255.255.255.0

drwxr-xr-x    6 vdsm   kvm      204 Jan 27 16:30 443b4931-667f-441f-98d8-51384e67a0af
drwxr-xr-x    4 vdsm   kvm      136 Jan 27 12:32 data
drwxr-xr-x    4 vdsm   kvm      136 Jan 27 00:18 iso
drwxr-xr-x    3 vdsm   kvm      102 Jan 26 09:43 vm

the host machine seems to mount the shares fine....

drwxr-xr-x  5 vdsm kvm 4096 Jan 27 12:28 .
drwxr-xr-x  3 vdsm kvm 4096 Jan 27 10:04 ..
drwxr-xr-x 13 vdsm kvm  544 Jan 27 00:12 192.168.1.32:_Volumes_Raid1
drwxr-xr-x  2 vdsm kvm 4096 Jan 27 00:12 192.168.1.32:_Volumes_Raid1_data
drwxr-xr-x  2 vdsm kvm 4096 Jan 27 00:24 192.168.1.32:_Volumes_Raid1_iso

and as I said above I can create files in any one of those mounts


Is there a place I can look at to find the offending file?  If that is the issue...  Oddly enough everything worked until i rebooted, so I must have either changed something or something is buggered.



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Mik Rose | Manager, IT - Support Services | PowerSoft Development Corp
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