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Physical migration (2x ReadyNAS 2) to ReadyNAS 4?
Hallo zusammen, ich habe hier 2x ReadyNAS Ultra2 (aka NAS#1, NAS#2) im Einsatz. Seit heute noch einen ReadyNAS Ultra4+ (aka NAS#3). Alle drei haben ReadyNAS OS 6.10.8. 1.) Könnte man die be...
mratix wrote:
When i right understand you, X-RAID give me the solution (for mixing and bind) two volumes to one (as capacity criteria)?
XRAID would let you fully use the space in a 2x6TB+2x3TB single volume.
To create a single 12 TB volume on NAS 3, you can just do a factory default with all disks in place. That volume would have a 4x3TB RAID-5 group that is concatenated with a 2x3TB RAID-1 group.
But if you start with a 2x6TB volume, you won't be able to add the smaller disks to the same volume. The reason is that with original 2x6TB RAID-1 group would need to be repartitioned to get to 4x3 TB. The NAS software doesn't do that.
mratix wrote:
2.) Da mir gerade freie Festplatten ausgehen, zudem eben eine davon ausgefallen ist, hätte ich im NAS#3 derzeit nur
2x 6TB (raid1 - sync läuft gerade). Die dritte 6TB hätte ein raid5 bilden sollen.
In die beiden freien bays könnte ich max. noch 2x 3TB einsetzen.
Ich weiss nicht ob ReadyNAS (FlexRAID) eine derartige Mischung raid1+raid0 als kleines raid5 unterstützt bzw. zulässt. Dürfte ich es ihm vorkauen und manuel über die mdadm.conf unterschieben?
I am not quite following this. 3x6TB would give you RAID-5, with a 12 TB volume.
Are you saying that one of the other NAS has 2x3TB?
If so, you could
- Destroy the 2x6TB volume
- power down the 4 bay NAS,
- migrate the 2x3TB drives to the 4 bay NAS
- Power up, and you should see the volume from the original NAS.
- Switch to XRAID if you are not already using it
- add back the two 6 TB drives (one at a time, waiting for resync to complete before adding the next).
You would end up with a 12 TB volume (10.9 TiB) if you do this, preserving all the data in the original 2x3 TB volume.
additional question:
Im actual sync the 2x 6TB as raid1 in NAS#3. Parallel running a rsync filling to it.
The two 2x 3TB are inserted and formatted but not assigned in any way.
What happens when i switch to X-Raid? Become a 6+3TB as raid1 but in one volume?
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