[ovirt-users] Error: Storage format V3 is not supported

[Vered Volansky]

Hi Alex,

This looks like a bug occurring with export domain on local storage, which
I'm currently trying to reproduce.
In the meantime, please try the following work around:

Create an export domain in your new setup.
Copy the images and vms directly to the mounted export directory (from old
export mount path to new export mount path)
Do not copy the metadata, it looks like this is the origin of the problem.

I will report back once I confirm the issue.

Regards,
Vered

On Thu, Mar 31, 2016 at 5:28 AM, Alex R <ar.digger at gmail.com> wrote:

> I am trying to import a domain that I have used as an export on a previous
> install.  The previous install was no older then v3.5 and was built with
> the all-in-one-plugin.  Before destroying that system I took a portable
> drive and made an export domain to export my VMs and templates.
>
> The new system is up to date an was built as a hosted engine.  When I try
> to import the domain I get the following error:
>
> "Error while executing action: Cannot add Storage. Storage format V3 is
> not supported on the selected host version."
>
> I just need to recover the VMs.
>
> I connect the USB hard drive to the host and make an export directory just
> like I did on the old host.
>
> # ls -ld /mnt/export_ovirt
> drwxr-xr-x. 5 vdsm kvm 4096 Mar  6 11:27 /mnt/export_ovirt
>
> I have tried both doing an NFS mount
> # cat /etc/exports.d/ovirt.exports
> /home/engineha  127.0.0.1/32(rw,anonuid=36,anongid=36,all_squash)
> /mnt/backup-vm/ 10.3.1.0/24(rw,anonuid=36,anongid=36,all_squash)
> 127.0.0.1/32(rw,anonuid=36,anongid=36,all_squash)
>
> # cat
> /mnt/export_ovirt/images/4be3f6ac-7946-4e7b-9ca2-11731c8ba236/dom_md/metadata
> CLASS=Backup
> DESCRIPTION=eport_storage
> IOOPTIMEOUTSEC=10
> LEASERETRIES=3
> LEASETIMESEC=60
> LOCKPOLICY=
> LOCKRENEWALINTERVALSEC=5
> POOL_UUID=053926e4-e63d-450e-8aa7-6f1235b944c6
> REMOTE_PATH=/mnt/export_ovirt/images
> ROLE=Regular
> SDUUID=4be3f6ac-7946-4e7b-9ca2-11731c8ba236
> TYPE=LOCALFS
> VERSION=3
> _SHA_CKSUM=2e6e203168bd84f3dc97c953b520ea8f78119bf0
>
> # ls -l
> /mnt/export_ovirt/images/4be3f6ac-7946-4e7b-9ca2-11731c8ba236/master/vms/4873de49-9090-40b1-a21d-665633109aa2/4873de49-9090-40b1-a21d-665633109aa2.ovf
>
> -rw-r--r--. 1 vdsm kvm 9021 Mar  6 11:50
> /mnt/export_ovirt/images/4be3f6ac-7946-4e7b-9ca2-11731c8ba236/master/vms/4873de49-9090-40b1-a21d-665633109aa2/4873de49-9090-40b1-a21d-665633109aa2.ovf
>
> Thanks,
> Alex
>
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