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Forum Discussion
Adding a 4th 10TB drive to a XRAID array on Pro6 6.9.3 (please reassure me)
Hi
I have a Pro6 on 6.9.3 that had 6x6TB in XRAID2 (single redundancy). I've sequentially added 3x10TB and today added the 4th. It appears the disk was used before (something i'll take up with ...
This doesn't do anything to change X-RAID versus Flex-RAID. If you're using X-RAID that will be indicated on the Volumes tab.
The reason you have multiple RAID layers is because of vertical expansion. It's normal to have this in X-RAID when replacing disks with higher capacity ones.
Thanks.
That was how I understood it - the fact I had repeatedly expanded vertically could only be XRAID. But my volume screen (see screenshot attachment in first post) showed XRAID as grey not green and listed the 3 RAID volumes. Was this just because it didn't know what to make of the missing partition, whereas presumably for it to 'be' XRAID all space would be expanded into??
Cheers
Andy
I suggest that you wait for the volume to be correctly mounted, and see what mode shows up then.
If it does show up as flexraid, you should be able to switch it back to xraid (with no data loss).
Hi
Resync'd and sizes are correct. Still shows as FlexRAID and says I cannot swap back as 'volume expanded' - see screenshot.
Logs emailed.
Thanks
Andy
Flex-RAID and X-RAID expansion work differently so once you've done expansion using Flex-RAID you can't switch back,
- I never consciously swapped out of xraid.
How does this limit me for future expansion?? (Ie swapping disks 5 and 6 for 10tb in the future and maybe vertically expanding them all again when capacities are larger)
Thanks
Andy
powellandy1 wrote:
How does this limit me for future expansion?? (Ie swapping disks 5 and 6 for 10tb in the future and maybe vertically expanding them all again when capacities are larger)Future expansion (including vertical expansion) is still possible, but likely will require manual steps.
You could of course do a factory reset, rebuild the NAS as XRAID, and then restore your files from backup.
Thanks StephenB - I could do - it's all backed up on the Ultra6 (although I'm always slightly cautious as that's RAID0 and hence fragile) - i've put half on 4x4TB in the 104 and could put the spare 4x6TB in there and do the other half - but the 104 is so slow!!!
mdgm-ntgr - could you tell me the commands you used to add the partition then grow into it - as I assume I would need to do similar for drives 5 and 6. I presume then adding a 4th stripe would be much more complicated.
Is there any troubleshooting I can do to help - presumably it's not by design this happened - as stated in first post I simply hotswapped a drive that happened to have an old volume on it - destroyed it - then deliberately rebooted the NAS rather than pick an option to grow/spare etc.. hoping it would then recognise the empty drive and just vertically expand as XRAID automatically.Tx
Andy
Something really odd.
Put discs in new 516 and factory reset. Says new volume is 27TB. Seems to be missing the extra from the 10TB drives.
New thread posted.
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