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Forum Discussion
3tb esternal USB hard drives under 4.2.17
Having some difficulty seeing the full 3tb on an external USB hard drive. I just updated the Readynas Pro Buisness from 4.2.5 -> 4.2.17 inorder to use 3TB drives as backup media.
I had expected to see ext4 as an option for formatting these drives in the USB volume drop down and I do not. Additionally the drives are seen as 2047GB rather than some number closer to 3000GB.
I am currently using bare Hitachi drives (HDS723030ALA640) from the HCL so that I can install them in the Readynas at some future date when even bigger drives are available for backup media.
I am using a Bytecc SATA Drive Mate to convert from SATA -> USB 2.0 and then into the Readynas.
The drives function correctly, I have two of them formatted as 2047GB drives and have a complete backup of the readynas (made just before the update).
Is this an issue with the SATA -> USB converter not being up to the task or do I need to perform a full reset of the hardware (i.e. wipe the readynas) to get this functionality?
If it is a problem with this SATA -> USB converter is there a unit which would be expected to work.
I currently have 3 seagate 2TB drives and 3 Seagate 750GB drives installed and everything is working well. Other than not being able to see the full capability of these drives when used as external USB backup media.
Thank you for your help.
I had expected to see ext4 as an option for formatting these drives in the USB volume drop down and I do not. Additionally the drives are seen as 2047GB rather than some number closer to 3000GB.
I am currently using bare Hitachi drives (HDS723030ALA640) from the HCL so that I can install them in the Readynas at some future date when even bigger drives are available for backup media.
I am using a Bytecc SATA Drive Mate to convert from SATA -> USB 2.0 and then into the Readynas.
The drives function correctly, I have two of them formatted as 2047GB drives and have a complete backup of the readynas (made just before the update).
Is this an issue with the SATA -> USB converter not being up to the task or do I need to perform a full reset of the hardware (i.e. wipe the readynas) to get this functionality?
If it is a problem with this SATA -> USB converter is there a unit which would be expected to work.
I currently have 3 seagate 2TB drives and 3 Seagate 750GB drives installed and everything is working well. Other than not being able to see the full capability of these drives when used as external USB backup media.
Thank you for your help.
14 Replies
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- The only question is if you have to be using 4.2.19 or 4.2.17. I did not manage to obtain a compatable sata to USB converter until after having moved to 4.2.19 but I suspect that either would work.
- Could anyone suggest a more suitable drive enclosure for the 3TB drive, since the Newer Tech Voyager Q dock does not recognize or support this drive as it appears when connect to the ReadyNAS ?
Thanks,
David - As mentioned, over 2tb support requires GPT partitions.
Unfortunately xp does not support GPT partitions, you must use vista/win7, or linux or mac to partition for GPT.
@ davidarky, if you have an NV+, the nv+/duo does NOT support GPT partitions, so the 3tb+ drives will NOT work.
If you want to backup using the 3tb drive, you will have to attach it to a PC/MAC that is compatible with 3tb drives, then backup over the network to the PC with the usb drive attached. - This worked for me for the exact same problem. The ongoing support/development work on these devices is wonderful. I'll be purchasing another ReadyNAS for sure when my requirements dictate the need. Thanks all.
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