[Users] Documentation: Storage Domain conversion from Data Domain to Export Domain

[Itamar Heim]

On 10/31/2012 07:36 PM, Simon Grinberg wrote:
>
>
> ----- Original Message -----
>> From: "Itamar Heim" <iheim at redhat.com>
>> To: "Michael Ayers" <ayersmj at redhat.com>
>> Cc: users at ovirt.org
>> Sent: Tuesday, October 30, 2012 10:57:52 PM
>> Subject: Re: [Users] Documentation: Storage Domain conversion from Data Domain to Export Domain
>>
>> On 10/30/2012 09:29 PM, Michael Ayers wrote:
>>> Hey All,
>>>
>>> I ran into this issue myself where I needed to convert a data
>>> domain to
>>> an export domain in order to recover virtual guests from a
>>> corrupted
>>> ovirt/rhevm instance into a new ovirt/rhevm instance.  This wasn’t
>>> documented anywhere that I saw but with the help of Itamar Heim and
>>> an
>>> well timed email to the list from Igor Lvovsky last night I was
>>> able to
>>> do this and wanted to send to the list a documented procedure for
>>> how to
>>> modify the metadata of the data domain prior to import as an export
>>> domain.  This procedure works for both RHEV-M and Ovirt.  Let me
>>> know if
>>> you have any questions.
>>
>> glad it worked.
>
> Will this work if the recovered storage domain was not the master?

no. only for nfs storage domain, only if it was master.

>
>
>> care to wikify for others?
>>
>> thanks,
>>     Itamar
>>
>>>
>>> Original Data Domain Metadata File
>>>
>>> --------------------------------------------------
>>>
>>> CLASS=Data
>>>
>>> DESCRIPTION=vm-storage
>>>
>>> IOOPTIMEOUTSEC=10
>>>
>>> LEASERETRIES=3
>>>
>>> LEASETIMESEC=60
>>>
>>> LOCKPOLICY=
>>>
>>> LOCKRENEWALINTERVALSEC=5
>>>
>>> MASTER_VERSION=2
>>>
>>> POOL_DESCRIPTION=MyPool
>>>
>>> POOL_DOMAINS=dd8bc200-6e28-4185-bfe0-f0affb94f283:Active,ddefdf6c-ef68-419c-9f72-76d27bf7d788:Active,66b3b243-6cc6-465f-b130-6f2cd0b70514:Active
>>>
>>> POOL_SPM_ID=2
>>>
>>> POOL_SPM_LVER=17
>>>
>>> POOL_UUID=a207f052-f4bf-44a3-b637-c6d2020a7c41
>>>
>>> REMOTE_PATH=nfsserver:/ovirt/vm-storage
>>>
>>> ROLE=Master
>>>
>>> SDUUID=66b3b243-6cc6-465f-b130-6f2cd0b70514
>>>
>>> TYPE=NFS
>>>
>>> VERSION=0
>>>
>>> _SHA_CKSUM=009fa538321ac56749669127f43cc754aa59d398
>>>
>>> Diff between Original DD Metadata File and ED Metadata File
>>>
>>> --------------------------------------------------
>>>
>>> --- metadata-data-storage       2012-10-30 12:24:52.484006958 -0700
>>>
>>> +++ metadata-exp-storage        2012-10-30 12:14:59.043807789 -0700
>>>
>>> @@ -1,5 +1,5 @@
>>>
>>> -CLASS=Data
>>>
>>> -DESCRIPTION=vm-storage
>>>
>>> +CLASS=Backup
>>>
>>> +DESCRIPTION=export-storage
>>>
>>> IOOPTIMEOUTSEC=10
>>>
>>> LEASERETRIES=3
>>>
>>> LEASETIMESEC=60
>>>
>>> @@ -7,13 +7,12 @@
>>>
>>> LOCKRENEWALINTERVALSEC=5
>>>
>>> MASTER_VERSION=2
>>>
>>> POOL_DESCRIPTION=MyPool
>>>
>>> -POOL_DOMAINS=dd8bc200-6e28-4185-bfe0-f0affb94f283:Active,ddefdf6c-ef68-419c-9f72-76d27bf7d788:Active,66b3b243-6cc6-465f-b130-6f2cd0b70514:Active
>>>
>>> +POOL_DOMAINS=
>>>
>>> POOL_SPM_ID=2
>>>
>>> POOL_SPM_LVER=17
>>>
>>> -POOL_UUID=a207f052-f4bf-44a3-b637-c6d2020a7c41
>>>
>>> -REMOTE_PATH=nfsserver:/ovirt/vm-storage
>>>
>>> -ROLE=Master
>>>
>>> +POOL_UUID=
>>>
>>> +REMOTE_PATH=nfsserver:/ovirt/export-storage
>>>
>>> +ROLE=Regular
>>>
>>> SDUUID=66b3b243-6cc6-465f-b130-6f2cd0b70514
>>>
>>> TYPE=NFS
>>>
>>> VERSION=0
>>>
>>> -_SHA_CKSUM=009fa538321ac56749669127f43cc754aa59d398
>>>
>>> Thanks,
>>>
>>> Michael
>>>
>>> -------------------------------------
>>>
>>> Michael J. Ayers
>>>
>>> Red Hat Inc.
>>>
>>> Solutions Architect
>>>
>>> e: ayersmj at redhat.com <mailto:ayersmj at redhat.com>
>>>
>>> w: www.redhat.com <http://www.redhat.com/>
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>
>>
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