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RN104 Disk Upgrade Limit
I just want to confirm. I have a RN104 running 6.4.1 in X-RAID (RAID 5). It currently has 4 x 4TB drives installed with one volume. I have ordered 4 x 8TB IronWolf drives which are on the Hard Dis...
Yes. You need to be running 6.4.x (or later) to support volumes > 16TB on the RN104.
The NAS will need to wipe the disks. If they are unformatted it should wipe it and start syncing right away. Wait for the resync to complete before replacing the next disk.
Just for the hell of it I tried another Factory Default tonight. Every reference to a Factory Reset says it will erase all data. Why when I do it it come back on saying Resyncing in Progress Remaining time = hundreds of hours!!!!!!!!!!!!!
There are different theories about disks and failure. Some reckon that disk bought together are more likely to fail around the same time.
When you do a factory default (wipes all data, settings, everything), the disks are wiped, and a new RAID array is created. The disks have to be synced sector by sector to setup the RAID. However this initial sync is a special case where if a disk fails the array should remain intact.
Hopefully this experience has shown you the importance of backups.
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