[ovirt-users] Failed to import the Hosted Engine Storage Domain

[Arsène Gschwind]

Hi Didi,


On 09/04/2017 10:15 AM, Yedidyah Bar David wrote:
> On Mon, Sep 4, 2017 at 10:16 AM, Arsène Gschwind
> <arsene.gschwind at unibas.ch> wrote:
>> Hi all,
>>
>> A while ago I had some problem with hosted-engine network which wasn't set
>> correctly at deploy time, so I finally decided to redeploy the hosted engine
>> in the hope the network will be set correctly this time. I've followed this
>> procedure:
>>
>> Stop all VMs
>> Full backup of HE DB and export to safe place
>> Cleanup HE storage following https://access.redhat.com/solutions/2121581
>> Reboot Hosts
>> Re-deploy HE until DB recovery
>> Recover DB adding the following param:
>>   --he-remove-storage-vm             Removes the hosted-engine storage
>> domain, all its entities and the hosted-engine VM during restore.
>>   --he-remove-hosts                  Removes all the hosted-engine hosts
>> during restore.
>>
>> Finalize HE deployment.
>>
>> Everything did run without errors and I'm able to access Web UI.
>>
>> But now I don't see my HE VM and its respective Storage Domain, the logs
>> says it isn't able to import it. I see all other SD and I'm able to manage
>> my VMs as before.
>>
>> Please find attached engine.log
> I think this is your problem:
>
> 2017-09-04 03:26:14,272+02 INFO
> [org.ovirt.engine.core.bll.storage.domain.AddExistingBlockStorageDomainCommand]
> (org.ovirt.thread.pool-6-thread-24) [2383eaa0] There are existing luns
> in the system which are part of VG id
> 'vvIoS2-fZTZ-99Ox-Ltzq-pr8U-SL2z-wbTU8g'
I don't see a VG with this ID, here the IDs I see on the hosts:

   VG                                   #PV #LV #SN Attr   VSize VFree
   6b62cc06-fc44-4c38-af6d-bfd9cbe73246   1  10   0 wz--n- 99.62g 14.50g
   b0414c06-d984-4001-a998-fd9a2e79fb83   2  70   0 wz--n- 10.00t  2.31t
   b2e30961-7cff-4cca-83d6-bee3a4f890ee   2  47   0 wz--n- 5.27t  2.50t

>> Thanks for any help to resolve that issue.
>
> I guess you can try to remove this disk/lun from the engine and let it retry.
Could let me know how to remove that lun from the engine?
>
> If the only disk is of the hosted-engine, I guess it should have been
> removed by '--he-remove-storage-vm' - if so, please open a bug
> describing your flow in detail. Thanks.
It seems that this option didn't remove the he storage information and 
that this VG is still the old one.

Many thanks for your help
Rgds,
Arsene
>
> Best,
>
>> Arsène
>>
>> --
>>
>> Arsène Gschwind
>> Fa. Sapify AG im Auftrag der Universität Basel
>> IT Services
>> Klingelbergstr. 70 |  CH-4056 Basel  |  Switzerland
>> Tel. +41 79 449 25 63  |  http://its.unibas.ch
>> ITS-ServiceDesk: support-its at unibas.ch | +41 61 267 14 11
>>
>>
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>>
>
>

-- 

*Arsène Gschwind*
Fa. Sapify AG im Auftrag der Universität Basel
IT Services
Klingelbergstr. 70 |  CH-4056 Basel  |  Switzerland
Tel. +41 79 449 25 63  | http://its.unibas.ch <http://its.unibas.ch/>
ITS-ServiceDesk: support-its at unibas.ch | +41 61 267 14 11

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