[ovirt-users] Host cannot connect to hosted storage domain
Sandro Bonazzola
sbonazzo at redhat.com
Fri Sep 29 06:21:47 UTC 2017
2017-09-28 2:32 GMT+02:00 Alexander Witte <alexander.witte at baicanada.com>:
> Hi!
>
> Question hopefully someone can help me out with:
>
> In my Self Hosted Engine environment, the local storage domain DATA (NFS)
> that was created with the self engine installation has been configured as
> localhost:/shares
>
So it seems you're trying to do an Hyperconverged setup on local NFS.
Please note this is not a supported configuration.
If you need to have the storage on the hosts you use for running Self
Hosted Engine and other VMs, I would suggest to follow
https://ovirt.org/documentation/gluster-hyperconverged/Gluster_Hyperconverged_Guide/
>
> I *suspect* this is preventing me from adding any additional hosts to the
> oVirt Datacenter as I am receiving a VDSM error that I cannot mount that
> domain. I think since the domain is set as localhost it cannot be resolved
> correct by any additional hosts...?
>
You are correct, being the NFS export referenced as localhost:// it is not
accessible by other hosts.
> The ISO, Data(Master) and EXPORT domains are set as FQDN:/shares/iso and
> I am not seeing problems specific to them.
>
> I am curious what the correct procedure is to change this hosted engine
> storage domain path from *localhost:/shares* to *FQDN:/shares* ? I have
> attempted this:
>
> 1) Put hosted engine in Global Maintenance Mode
> 2) Shutdown hosted engine
> 3) edit the /etc/ovirt-hosted-engine/hosted-engine.conf file file and
> change:
> storage=10.0.0.223:/shares to
> storage=menmaster.traindemo.local:/shares
> 4) Restart hosted engine
>
>
If this is a fresh install, I would suggest to restart from scratch
following the Hyperconverged guide.
> Although I’m not having any luck restarting the hosted engine after and
> running a journalctl -u on the overt-ha-agent service is giving me this:
>
> Sep 27 20:17:19 menmaster.traindemo.local ovirt-ha-agent[2052]:
> ovirt-ha-agent ovirt_hosted_engine_ha.agent.agent.Agent ERROR Traceback
> (most recent call last):
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py",
> line 191, in _run_agent
> return
> action(he)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py",
> line 64, in action_proper
> return
> he.start_monitoring()
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
> line 409, in start_monitoring
>
> self._initialize_storage_images(force=True)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
> line 651, in _initialize_storage_images
>
> img.teardown_images()
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/image.py",
> line 218, in teardown_images
>
> volumeID=volUUID,
> File
> "/usr/lib/python2.7/site-packages/vdsm/jsonrpcvdscli.py", line 155, in
> _callMethod
>
> (methodName, args, e))
> Exception:
> Attempt to call function: teardownImage with arguments: () error:
> 'teardownImage'
> Sep 27 20:17:19 menmaster.traindemo.local ovirt-ha-agent[2052]:
> ovirt-ha-agent ovirt_hosted_engine_ha.agent.agent.Agent ERROR Trying to
> restart agent
> Sep 27 20:17:24 menmaster.traindemo.local ovirt-ha-agent[2052]:
> ovirt-ha-agent ovirt_hosted_engine_ha.agent.agent.Agent ERROR Too many
> errors occurred, giving up. Please review the log and consider filing
> Sep 27 20:17:24 menmaster.traindemo.local systemd[1]:
> ovirt-ha-agent.service: main process exited, code=exited, status=157/n/a
> Sep 27 20:17:24 menmaster.traindemo.local systemd[1]: Unit
> ovirt-ha-agent.service entered failed state.
> Sep 27 20:17:24 menmaster.traindemo.local systemd[1]:
> ovirt-ha-agent.service failed.
> Sep 27 20:17:25 menmaster.traindemo.local systemd[1]:
> ovirt-ha-agent.service holdoff time over, scheduling restart.
> Sep 27 20:17:25 menmaster.traindemo.local systemd[1]: Started oVirt Hosted
> Engine High Availability Monitoring Agent.
> Sep 27 20:17:25 menmaster.traindemo.local systemd[1]: Starting oVirt
> Hosted Engine High Availability Monitoring Agent...
> Sep 27 20:17:35 menmaster.traindemo.local ovirt-ha-agent[2626]:
> ovirt-ha-agent ovirt_hosted_engine_ha.lib.storage_server.StorageServer
> ERROR The hosted-engine storage domain is already mounted on '/rhev/d
> Sep 27 20:17:42 menmaster.traindemo.local ovirt-ha-agent[2626]:
> ovirt-ha-agent ovirt_hosted_engine_ha.agent.agent.Agent ERROR Traceback
> (most recent call last):
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py",
> line 191, in _run_agent
> return
> action(he)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py",
> line 64, in action_proper
> return
> he.start_monitoring()
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
> line 409, in start_monitoring
>
> self._initialize_storage_images(force=True)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
> line 651, in _initialize_storage_images
>
> img.teardown_images()
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/image.py",
> line 218, in teardown_images
>
> volumeID=volUUID,
> File
> "/usr/lib/python2.7/site-packages/vdsm/jsonrpcvdscli.py", line 155, in
> _callMethod
>
> (methodName, args, e))
> Exception:
> Attempt to call function: teardownImage with arguments: () error:
> 'teardownImage'
> Sep 27 20:17:42 menmaster.traindemo.local ovirt-ha-agent[2626]:
> ovirt-ha-agent ovirt_hosted_engine_ha.agent.agent.Agent ERROR Trying to
> restart agent
>
>
>
> Any thoughts? I can attach more logs tomorrow or provide further
> information if needed.
>
> Thanks!!
>
>
> Alex Witte
>
>
>
>
>
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>
>
--
SANDRO BONAZZOLA
ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
Red Hat EMEA <https://www.redhat.com/>
<https://red.ht/sig>
TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
<http://www.teraplan.it/redhat-osd-2017/>
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