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FG's avatar
FG
Aspirant
Aug 05, 2016
Solved

Unable to horizontally expand Raid-5

firmware 6.5.0 readynas 2120   I currently had 2 volumes: 1) is a 3 disk---2TB set up as a Raid 5, which gave me 4TB of storage. The 2nd volume was 1 disk--4TB----JBOD. I have now copied what I ne...
  • Retired_Member's avatar
    Retired_Member
    Aug 06, 2016
    "Destroying" the volume on the 4TB doesn't matter. If you want, you can reinsert it in place if the unused 2TB, but it's not going to make any difference here.
    You can't expand a syncing RAID. You just have to wait for the sync to complete.
    Leave the blank 2TB HDD in the chassis, turn on X-RAID (you don't need Flex-RAID). When the resync is finished, it will pick-up the fourth 2TB HDD and will expand your RAID5.

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