[ovirt-users] Fiber Channel Storage not coming up

[Fred Rolland]

Can you see the LUNs on the host?
To check the status, run: multipath -ll

Try also to execute the following command  /usr/libexec/vdsm/fc-scan -v



On Tue, Mar 20, 2018 at 10:03 PM, Jean Pickard <ggkkrr55 at gmail.com> wrote:

> Hello,
> Today I noticed that most of my VMs weren't accessible.
> Once i checked the system, I noticed my FC channel SAN data domain is
> inactive.
>
>
> 2018-03-19 16:01:05,308-0700 ERROR (periodic/32) [virt.vm]
> (vmId='43700e39-8812-41c6-9cd6-e555a2f19e35') Unable to get watermarks
> for drive vda: failed to open block device '/rhev/data-center/00000001-
> 0001-0001-0001-000000000311/cecbec42-bff1-4e8d-9c37-
> c260b7305af7/images/05563eaf-ea90-4364-b92e-4b53173a3a5f/
> 242a97ec-9459-4ce1-b61a-3331a7617f2d': No such file or directory (vm:814)
> 2018-03-19 16:01:06,018-0700 ERROR (monitor/cecbec4) [storage.Monitor]
> Error checking domain cecbec42-bff1-4e8d-9c37-c260b7305af7 (monitor:426)
> Traceback (most recent call last):
>   File "/usr/share/vdsm/storage/monitor.py", line 407, in
> _checkDomainStatus
>     self.domain.selftest()
>   File "/usr/share/vdsm/storage/sdc.py", line 50, in __getattr__
>     return getattr(self.getRealDomain(), attrName)
>   File "/usr/share/vdsm/storage/sdc.py", line 53, in getRealDomain
>     return self._cache._realProduce(self._sdUUID)
>   File "/usr/share/vdsm/storage/sdc.py", line 136, in _realProduce
>     domain = self._findDomain(sdUUID)
>   File "/usr/share/vdsm/storage/sdc.py", line 153, in _findDomain
>     return findMethod(sdUUID)
>   File "/usr/share/vdsm/storage/blockSD.py", line 1610, in findDomain
>     return BlockStorageDomain(BlockStorageDomain.findDomainPath(sdUUID))
>   File "/usr/share/vdsm/storage/blockSD.py", line 1550, in findDomainPath
>     raise se.StorageDomainDoesNotExist(sdUUID)
> StorageDomainDoesNotExist: Storage domain does not exist:
> (u'cecbec42-bff1-4e8d-9c37-c260b7305af7',)
> 2018-03-19 16:01:07,331-0700 ERROR (periodic/32) [virt.vm]
> (vmId='235702f2-286e-403b-b395-db9c1d603d99') Unable to get watermarks
> for drive vda: failed to open block device '/rhev/data-center/00000001-
> 0001-0001-0001-000000000311/cecbec42-bff1-4e8d-9c37-
> c260b7305af7/images/8eb9847f-4e4e-4bda-b4fa-a44119137ee2/
> ddf7c854-fa95-4c3f-b76a-4a90c8067c7e': No such file or directory (vm:814)
>
> My attempts to activate my data center storage is failing as well.
> I don't see any errors in my engine log under /var/log/ovirt-engine.
>
> Any idea why my storage is not coming up?
>
> Thank you,
>
> Jean
>
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> Users at ovirt.org
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>
>
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