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Forum Discussion
Ready NAS316 capacity
I have 2 x 12TB Hard disks and 4 x 6TB hard drives, Acknolwedges 12TB HD as 10.9 TB capacity but the whole volume only reads 27.27 TB. netgear raid calculator says it should read 32.7 TB. ...
So. Have set nas 316 back to factory default, upon restart creates one x-raid volume raid 5. All Hard drives are on the approved compatabily list. Hard drives in the order 2x 12b and 4x 6TB but still reads 27.27 TB
System currently resyncing.
Any ideas,
Thanks
DSRedman wrote:
So. Have set nas 316 back to factory default, upon restart creates one x-raid volume raid 5. All Hard drives are on the approved compatabily list. Hard drives in the order 2x 12b and 4x 6TB but still reads 27.27 TB
Any ideas,
When you have drives of different sizes, the NAS first creates a base RAID group that spans all disks, using the smallest disk size. In this case that is 6x6TB RAID-5. That is a 30 TB volume (or ~27.3 TiB).
After that completes, the system will create a second raid group on the larger disks - in this case 2x6TB RAID-1. That second raid group is merged into file system.
Creation of that second RAID group is called vertical expansion. You needed to reboot the NAS in order to start that step. Doing the reset just wasted time - starting the whole process over.
That is why we suggested that you reboot the NAS when the initial sync was complete.
Outstanding!,
Thank you so much!
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