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Expanding an Ultra4 - Backup, Factory Default and Restore? Just fill up the slots
I have been running a ReadyNAS Ultra 4 (RNDU4000) for a few years now with XRaid and 2x2tb (WD Red) drives. I am now rapidly running out of storage and looking up expand my volume. I am considering w...
1) Yes
Your volume capacity started out at roughly 1.8TB so you can expand up to 9.8TBDisks larger than 2TB were not supported till 4.2.16. You should already be running firmware much newer than this, but if not update the firmware before adding larger capacity disks.
Yes, you can do a factory default (wipes all data, settings, everything) with the disks in place to get a larger volume than 16TB. This should only be a problem if using 6TB disks or larger.In the second of those scenarios you would have 8TB. The capacity of the largest disk is used for redundancy.
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