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Re: help with netgear 104

jtedder
Aspirant

help with netgear 104

i have installed about 9 tb of hard space on my new nas and it only shows i have 4.53 avaliable why

Message 1 of 8
mdgm-ntgr
NETGEAR Employee Retired

Re: help with netgear 104

Which brand and model disks and what capacity have you installed?

X-RAID2 volumes have the capacity of all the disks - the largest for redundancy.

Message 2 of 8
StephenB
Guru

Re: help with netgear 104

You do need to know the specific details of the disk sizes to compute capacity.  Your result is about right for 2x4TB+1TB, but is too low for 3x3TB.

 

The rule for single redundancy is to sum the disks, and then subtract off the largest.  After that you need to convert TB to TiB (since the NAS reports TiB).  You do that by multiplying by .9 (value is approximate but close enough for most purposes).

 

Let us know the sizes of your disks, and we can verify.  Model numbers might also be useful (since not all disks are compatible).

Message 3 of 8
jtedder
Aspirant

Re: help with netgear 104

i have a4tb by wd a 3tb by wd and 2x 1 tb by wd

 

Message 4 of 8
jtedder
Aspirant

Re: help with netgear 104

oops one is a seagate 1 tb not a wd

Message 5 of 8
mdgm-ntgr
NETGEAR Employee Retired

Re: help with netgear 104

That volume capacity is correct.

 

If you replace one of the 1TB disks with a 4TB one you will see some expansion.

Message 6 of 8
StephenB
Guru

Re: help with netgear 104


@mdgm wrote:

 

If you replace one of the 1TB disks with a 4TB one you will see some expansion.


That would increase the storage by 3 TB to 8 TB total  (~7.3 TiB).

 

Your current setup wastes 1 TB on the 4 TB drive - you need at least 2 of the largest size to maximize space.

Message 7 of 8
JennC
NETGEAR Employee Retired

Re: help with netgear 104

Hello jtedder,

 

This may also help calculating the approximate volume size you get from combined disks in a RAID (XRAID and Traditional/FlexRAID): http://rdconfigurator.netgear.com/raid/index.html

 

OS partition, swap partition, etc are not deducted yet.

 

Regards, 

Message 8 of 8
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