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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 ...
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.
Well, I must have done something incorrect.
I upgraded a 626 unit with larger drives – worked perfectly as expected.
So I took the disk and inserted it into a ‘sister’ ReadyNAS to upgrade that NAS with more storage.
Removed the ‘old/current’ drive which was smaller and inserted the other ReadyNAS drive that was removed from a different NAS.
The rebuild process did not start for this new/replaced drive.
Is there some secret here that I should have done?
Ignore the last message.
I fumbled around to determine that I needed to format the new drive so it could then be reused.
Documentation could use some updates on this matter -- reuse of a previously used ReadyNAS drive in an existing system.
It's not just drives previously used in a ReadyNAS, but any previously formatted drive. Legacy ReadyNAS did not require that, which lead to many people coming here and see how they could recover what was previously on the drive (you can't!). So this manual formatting is a good thing, though perhaps the manual assumes too much that you'll be using a pristine new drive.
This doesn't affect you much at this point, but I'm posting to help others who may come across the thread.
As in most things, improvement is possible.
The documentation on this topic is not fulsome -- certainly needs improvement.
Use you connections to push for correction/improvement.
Digital999 wrote:
The documentation on this topic is not fulsome -- certainly needs improvement.
FWIW, it is in the software manual, but probably not in the section most people would look. It's on page 165 (in the section on disks).
If you try to use previously formatted disks in a system that already contains usable
disks, the system does not reformat or use the previously formatted disks. Any data
on the previously formatted disk remains intact.
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