Using large HDD on readynas DUO V1

Question

Hello,&nbsp;I would like to use large disks in my Readynas DUO V1, but it cant see more than 1.5To/disk. It's a common formating problem.I tried to install the ssh pluggin, but when i log in, the client close of with no error.I know it's a debian inside the device, but how to use it as root ?Or, does someone have a walkaround for using large capacity disks in this device ?Thank you.

StephenB · Answer

What firmware is the NAS running?
&nbsp;
A duo v1 can use a 2 TB drive (which I use in my own Duo).&nbsp; But it can't handle disks larger than that (since it doesn't support GPT or advanced format disks).&nbsp; There is no workaround.
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bogdahn&nbsp;wrote:
&nbsp;
I tried to install the ssh pluggin, but when i log in, the client close of with no error.
I know it's a debian inside the device, but how to use it as root ?

As noted above, ssh won't help you use disks &gt; 2 TB.
&nbsp;
However, your issue is almost certainly that you are using the wrong username.&nbsp; You log in as root, using the NAS admin password.

Marc_V · Answer

Hi bogdahn&nbsp;Welcome to the Community!&nbsp;ReadyNAS Duo V1 is limited to 2TB/To disks,&nbsp;You may want to use root and the admin password of the NAS for access.&nbsp;EnableRootSSH&nbsp;&nbsp;

bogdahn · Answer

Thanks for your replies.Is it a a SATA controler limitation ?

Marc_V · Answer

Hi bogdahn&nbsp;Duo V1 has no support for GPT Format. It was mentioned also by StephenB on this post.&nbsp;https://community.netgear.com/t5/ReadyNAS-Hardware-Compatibility/ReadyNAS-DUO-v-1-amp-4TB-is-that-possible/td-p/956138&nbsp;Certain X86 devices from Legacy NAS were able to be converted from MBR to GPT format getting them to support larger capacity disks however for SPARC units like to Duo V1 it was not possible.&nbsp;You may want to plan on upgrading your NAS Unit to newer models using OS6 if you really want to use larger capacity disks :)&nbsp;Regards

StephenB · Answer

bogdahn&nbsp;wrote:
Is it a a SATA controler limitation ?

Netgear never disclosed the exact reasons.&nbsp; The Duo goes back to 2008, and the hardware architecture of v1 NAS generally was first released around 2005.&nbsp; The first 3 TB disk drive came to market in 2010.&nbsp;
&nbsp;
The v1s have specialized hardware to handle RAID, and I believe that hardware is also in the Duo (even though with 2 bays it can only do RAID-0 and RAID-1).&nbsp; So it could be hardware (sata controller and/or RAID hardware), or it could be firmware, or some combination of the two.
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Using large HDD on readynas DUO V1

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