5:09 p.m.
On Fri, Mar 4, 2022 at 8:28 AM Vinícius Ferrão via Users
<users(a)ovirt.org> wrote:
Hi again, I don’t know if it will be possible to import the storage domain due to
conflicts with the UUID of the LVM devices. I’ve tried to issue a vgimportclone to chance
the UUIDs and import the volume but it still does not shows up on oVirt.
LVM can change VG/PV UUIDs and names, but storage domain metadata kept in the
VG tags and volume metadata area contain the old VG and PV names and UUIDs,
so it is unlikely to work.
The system is designed so if the original PVs are bad, you can
disconnect them and
connect a backup of the PVs, and import the storage domain again to the system.
Can you explain in more details what you are trying to do?
Nir
I don’t know how to mount the iSCSI volume to recover the data. The
data is there but it’s extremely difficult to get it.
Any ideias?
Thanks.
> On 3 Mar 2022, at 20:56, Vinícius Ferrão <ferrao(a)versatushpc.com.br> wrote:
>
> I think I’ve found the root cause, and it’s the LVM inside the iSCSI volume:
>
> [root@rhvh5 ~]# pvscan
> WARNING: Not using device /dev/mapper/36589cfc000000db9cf56949c63d338ef for PV
fTIrnd-gnz2-dI8i-DesK-vIqs-E1BK-mvxtha.
> WARNING: PV fTIrnd-gnz2-dI8i-DesK-vIqs-E1BK-mvxtha prefers device
/dev/mapper/36589cfc0000006f6c96763988802912b because device is used by LV.
> PV /dev/mapper/36589cfc0000006f6c96763988802912b VG
9377d243-2c18-4620-995f-5fc680e7b4f3 lvm2 [<10.00 TiB / 7.83 TiB free]
> PV /dev/mapper/36589cfc000000a1b985d3908c07e41ad VG
650b0003-7eec-4fa5-85ea-c019f6408248 lvm2 [199.62 GiB / <123.88 GiB free]
> PV /dev/mapper/3600605b00805d8a01c2180fd0d8d8dad3 VG rhvh_rhvh5
lvm2 [<277.27 GiB / 54.55 GiB free]
> Total: 3 [<10.47 TiB] / in use: 3 [<10.47 TiB] / in no VG: 0 [0 ]
>
> The device that’s not being using is the snapshot. There’s a way to change the ID of
the device so I can import the data domain?
>
> Thanks.
>
>> On 3 Mar 2022, at 20:21, Vinícius Ferrão via Users <users(a)ovirt.org>
wrote:
>>
>> Hello,
>>
>> I need to import an old snapshot of my Data domain but oVirt does not find the
snapshot version when importing on the web interface.
>>
>> To be clear, I’ve mounted a snapshot on my storage, and exported it on iSCSI. I
was expecting that I could be able to import it on the engine.
>>
>> On the web interface this Import Pre-Configured Domain finds the relative IQN
but it does not show up as a target.
>>
>> Any ideas?
>>
>>
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