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

[Itamar Heim]

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.
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/>
>
>
>
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