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Forum Discussion
Upgrading from 5x2TB to 4x8TB on Readynas Pro 6
Dear all, My current setup on the ReadyNas Pro 6 is: - 5x2TB in Raid 6 for volume DATA - 1x2TB in JBOD for volume SCRATCH I now have a pack of 4x8TB WD RED drives looking at me. At the same...
Equinox1 wrote:
My current setup on the ReadyNas Pro 6 is:
- 5x2TB in Raid 6 for volume DATA
- 1x2TB in JBOD for volume SCRATCH
What would be the right migration path for this unit? My prefered end state would be:
- 4x8TB in RAID 6 for /DATA
- 1x2TB for /SCRATCH
One option is to go with 4x8TB+2TB for the array with dual redundancy.
But since you are thinking you want to do a factory reset anyway, then maybe
- Export the scratch volume
- Power down and remove all disks (labeling them by slot).
- Do a factory default with 4x8TB and set it up as RAID-6
- Import the scratch volume
- Restore data from backup
But the current /DATA volume(5x2TB) is packed with the real 3,5TB of user data.....
If I do that, I lose the currenta /DATA volume.
Equinox1 wrote:
But the current /DATA volume(5x2TB) is packed with the real 3,5TB of user data.....
If I do that, I lose the currenta /DATA volume.If you want to do a factory reset, then you need to back up the data. Hence step 5.
If you don't want to do that, then you could simply go with 4x8TB+2TB for the current DATA volume (expanding it). Though I'd still recommend doing a backup before doing that.
With that process, you'd hot-swap the new 8 TB drives one at a time, waiting for resync. You'd then need to create a new 4x6TB RAID-6 group using the new space, and concatenate it with the existing 5x2TB RAID-6 group.
You'd end up with an 18 TB volume instead of 16 TB.
Excuse my ignorance here, but there isnt a lot of documentation on this: what the EXPORT volume command do?
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