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Planning Ahead for Capacity Upgrade
Well, the ol' 4TB based volume in my 516 is down below 3TB free space. FWIW, this somehow got created as a RAID-5 under X-RAID2, but with 4TB disks it wasn't so bad. After some thought and looking at...
The volume will only expand when redundant space can be added. So if you have one 12TB disk after the RAID-6 volume is rebuilt you will still have dual-redundancy.
After you've created the RAID-6 volume you can re-enable X-RAID.
In fact depending what disks are installed, with a RAID-5 volume with three or more disks you could disable X-RAID and designate it so that when the next empty slot is filled it is used to add parity (i.e. convert to RAID-6). This conversion does take a long time though.
The volume will only expand when redundant space can be added. So if you have one 12TB disk after the RAID-6 volume is rebuilt you will still have dual-redundancy.
After you've created the RAID-6 volume you can re-enable X-RAID.
In fact depending what disks are installed, with a RAID-5 volume with three or more disks you could disable X-RAID and designate it so that when the next empty slot is filled it is used to add parity (i.e. convert to RAID-6). This conversion does take a long time though.
I did notice the option for adding a parity disk along the way, in FlexRAID mode, but these drives are a bit too large to want to wait around for that to happen. I considered the possibility of migrating the disks over to the new NAS. I suppose if that worked (both are on 6.6) then I could add a second parity disk to the volume and then single swap in 8TB disks...? Might save time overall, instead of syncing data and setup around...
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