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ReadyNAS 636 Upgrade Process
We have several/many NAS units which need to have their storage updated.
Existing storage volumes are currently defined as RAID 1 volumes (mirrored) with bit rot protection.
The volumes are in the 2 to 4 TB range and will be replaced by 12 TB drives.
For the upgrade we could copy the data to a different/temporary volume, remove the existing drives and insert the new 12 Tb drives and let them initialize and then copy back the information from the different/temporary volumes.
That process will be a PITA and fairly lengthy timewise.
Two questions…
Is there some other way – possibly a program/feature/other that will allow the existing volume to be ‘upgraded’ in terms of size? Sort of like a replacement for a drive that failed but instead have it become part of the RAID 1 pair with larger size only.
If copy methods are employed, can two different volumes have the same share names or will the ReadyNAS complain about ‘duplicate’ share names?
Digital999 wrote:
After both disks that make up a RAID 1 X-Raid volume have been 'synchronized/rebuilt' will the larger capacity just be available or is there some other command that must be entered or the system restarted or ??
The capacity will be available after the second disk completes its resync.
The first resync will be fairly quick (just 2 TB - 4 TB of disk space is mirrored).
The second resync has two phases. First it resyncs the 2 TB - 4 TB again. Then it syncs the remaining 8-10 TB.
Note the sync (mirroring) time doesn't depend on the free space. The entire disk is mirrored.
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Digital999 wrote:
We have several/many NAS units which need to have their storage updated.
Existing storage volumes are currently defined as RAID 1 volumes (mirrored) with bit rot protection.
The volumes are in the 2 to 4 TB range and will be replaced by 12 TB drives.
You can just vertically expand the existing volumes. See pages 40-41 here:
Although the manual doesn't say, I always recommend hot-swapping the disks (NAS running). As the manual does say, be sure to wait for the resync to complete before hot-swapping the second disk.
Netgear (and I) do recommend updating your backups first, as if something goes wrong you can lose data.
This seems too easy -- better than what I expected.
After both disks that make up a RAID 1 X-Raid volume have been 'synchronized/rebuilt' will the larger capacity just be available or is there some other command that must be entered or the system restarted or ??
Digital999 wrote:
After both disks that make up a RAID 1 X-Raid volume have been 'synchronized/rebuilt' will the larger capacity just be available or is there some other command that must be entered or the system restarted or ??
The capacity will be available after the second disk completes its resync.
The first resync will be fairly quick (just 2 TB - 4 TB of disk space is mirrored).
The second resync has two phases. First it resyncs the 2 TB - 4 TB again. Then it syncs the remaining 8-10 TB.
Note the sync (mirroring) time doesn't depend on the free space. The entire disk is mirrored.
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