Preclear disk missreporting size?


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Just acquired 3TB disks but preclear disk only sees them as 806G, anyone got any insights?

Wondering if it's coz they are in external caddy (no free interfaces, these disks are for upgrades / future spare replacements..

 

Title Information
Model family: Toshiba 3.5" MG03ACAxxx(Y) Enterprise HDD
Device model: TOSHIBA MG03ACA300
Serial number: 25FEKEVKF
LU WWN device id: 5 000039 61bd81414
Firmware version: FL1A
User capacity: 3,000,592,982,016 bytes [3.00 TB]
Sector size: 512 bytes logical/physical
Rotation rate: 7200 rpm
Form factor: 3.5 inches
Device: In smartctl database [for details use: -P show]
ATA version: ATA8-ACS (minor revision not indicated)
SATA version: SATA 3.0, 6.0 Gb/s (current: 1.5 Gb/s)
Local time: Tue Feb 21 19:50:34 2017 GMT
SMART support: Available - device has SMART capability.
SMART support: Enabled
SMART overall-health: Passed

 

 

PDScript.PNG

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External caddies? No free interfaces? How are they connected - USB? It looks like the Preclear plugin is seeing 3 - 2.2 = 0.8 TB where 2.2 TB is a known limitation. If you're using a USB connection it's probably a limitation of the bridge chip in the caddy. Do you have any more information on this caddy?

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On 21/02/2017 at 7:59 PM, John_M said:

External caddies? No free interfaces? How are they connected - USB? It looks like the Preclear plugin is seeing 3 - 2.2 = 0.8 TB where 2.2 TB is a known limitation. If you're using a USB connection it's probably a limitation of the bridge chip in the caddy. Do you have any more information on this caddy?

Yeah it's connected via a 2 port USB caddy, it's interesting as I've had large disks in there before but not on the NAS before and honestly can't remember if I'd tried  a disk this big before, all the SATA ports are in use, as these disks were purchased to be upgrades / spares and I was planning on preclearing them before putting them in the cupboard for when the oldest disks die.

 

 

On 21/02/2017 at 8:19 PM, jonp said:

This really belongs in plugin support as the pre-clear plugin you are referencing isn't built into the OS natively.

Sorry, you are right, I've been using it that long I forgot that it wasn't a native 6 tool.

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