ReadyNAS NV+ USB drives for Backup?

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PCJB wrote:

My ReadyNAS NV+ ( ARM) ... Frontview (V4.1.16) s

 

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If you are running 4.1.16 firmware, then you have the original (Sparc-based) NV+, not the later ARM platform.

The original NV+ (v1) 

• says ReadyNAS NV+ on the front panel
• runs 4.1.x firmware
• uses a Sparc processor
• often has labels on the back or bottom that say v2 or v3.  These don't mean what you think they mean.  They just identfity minor hardware revisions.

The NV+ v2

• says ReadyNAS NV+ v2 on the front panel
• runs 5.x firmware
• uses a ARM processor

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PCJB wrote:

 

When I first installed it, Frontview (V4.1.16) showed its size as 2048MB, even though its a 3TB drive. I presumed this was because the NV+ only supports drives upto 2TB in size. 

 

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4.1.x systems are limited to drives of 2 TB or less. If you install larger internal drives, the size will always end up 2 TB or less - the arithmetic that computes the volume size overflows, so it's a bit hard to predict. But normally you will end up with  about 746 GB per drive (volume size  for 4x3TB RAID array then ends up about 2 TB, instead of 12 TB).

USB drives are also limited to 2 TB

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PCJB wrote:

 

So I am wondering if I partitioned the 3TB drive into two partitions would the NV+ recognise them as two separate USB drives like /USB_HDD_10 and /US_HDD_11?

 

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I don't think so, as the NAS only supports MBR formatting, which is limited to 2 TiB.