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Pro 6 running OS6: Array doesn't automatically expand
I'm trying to expand one of my old 6-bay NAS boxes by replacing four of its drives with larger ones: Started with a Pro 6 running OS 6.10.9, with six 4TB drives in XRAID RAID6 for a "16TB" (real...
Yes, the volume is encrypted (which I think may be why it's at /dev/mapper/data-0 rather than /dev/md127).
fastfwd wrote:
Yes, the volume is encrypted
That explains it. Encrypted volumes aren't expandable.
When you do so, you may want to re-think encryption. IMHO, given the encryption key has to be kept close to the NAS for re-boots, it serves little purpose.
I enable encryption in order to make it easy to safely dispose of old drives, so the need for an always-available key isn't a problem for me. But now that I know encryption prevents expansion, I may reconsider. Thanks.
What I do is have one share for VeraCrypt containers that contain my sensitive data. One drawback that may affect you is that only one computer can access a container at any given time. If you decide to do that, do turn off "strict sync" for that share, as it slows writes to the VeraCrypt containers to a crawl. ReadyDR is also much more efficient in backing up files like those that are written to often because the other methods will always back up the whole file again if there is any change at all.
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