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Ready NAS316 capacity

DSRedman
Aspirant

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.

 

Any ideas?

Model: ReadyNAS-OS6|
Message 1 of 9
bedlam1
Prodigy

Re: Ready NAS316 capacity

Are you using X-Raid = 32.7 TiB or Flex-Raid, RAID 5 = 27.2 TiB ?

Best switch to X-Raid I think using Admin Page System: Volumes

 

 

Message 2 of 9
DSRedman
Aspirant

Re: Ready NAS316 capacity

Hello Am using X-Raid

 

Firmware is 6.9.1

Message 3 of 9
StephenB
Guru

Re: Ready NAS316 capacity

Did you reboot the NAS after the 12 TB drives synced?  Usually that is needed to trigger vertical expansion.

Message 4 of 9
DSRedman
Aspirant

Re: Ready NAS316 capacity

This is a fresh install due to chassis replacement

 

Message 5 of 9
StephenB
Guru

Re: Ready NAS316 capacity

Try rebooting, and see if that triggers expansion.

Message 6 of 9
DSRedman
Aspirant

Re: Ready NAS316 capacity

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

Message 7 of 9
StephenB
Guru

Re: Ready NAS316 capacity


@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.

Message 8 of 9
DSRedman
Aspirant

Re: Ready NAS316 capacity

Outstanding!,

 

Thank you so much!

Message 9 of 9
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