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Forum Discussion
Help formatting 2.5TB USB drive for backup
Hi all-
Apologies, have studied the archives but can't fix my problem
I have an external WD USB 2.5TB Hard drive, and wanted to dump my entire NAS to it.
I have:
ReadyNAS NV+
RAIDiator 4.1.8 [1.00a043]
Online, X-RAID, 4 disks, 54% of 2771 GB used
I had some trouble using the Mac Disk Utility to format the disk, but eventually was able to format it with a single partition with a Master Book Record partition map scheme. (I'm not even sure what this is, but in the archives I learned that I needed to do that to use EXT3.)
Description of the drive from Disk Utility (which cannot read the drive due to EXT3 format):
Disk Description : WD Ext HDD 1021 Media Total Capacity : 2.5 TB (2,500,493,049,856 Bytes)
Connection Bus : USB Write Status : Read/Write
Connection Type : External S.M.A.R.T. Status : Not Supported
USB Serial Number : 574341575A31323139393030 Partition Map Scheme : Master Boot Record
I have set my ReadyNAS up for Fast USB.
When I then go into frontview and format the drive in EXT3, it continues to show up as 196GB
Any help or suggestions greatly appreciated.
Apologies, have studied the archives but can't fix my problem
I have an external WD USB 2.5TB Hard drive, and wanted to dump my entire NAS to it.
I have:
ReadyNAS NV+
RAIDiator 4.1.8 [1.00a043]
Online, X-RAID, 4 disks, 54% of 2771 GB used
I had some trouble using the Mac Disk Utility to format the disk, but eventually was able to format it with a single partition with a Master Book Record partition map scheme. (I'm not even sure what this is, but in the archives I learned that I needed to do that to use EXT3.)
Description of the drive from Disk Utility (which cannot read the drive due to EXT3 format):
Disk Description : WD Ext HDD 1021 Media Total Capacity : 2.5 TB (2,500,493,049,856 Bytes)
Connection Bus : USB Write Status : Read/Write
Connection Type : External S.M.A.R.T. Status : Not Supported
USB Serial Number : 574341575A31323139393030 Partition Map Scheme : Master Boot Record
I have set my ReadyNAS up for Fast USB.
When I then go into frontview and format the drive in EXT3, it continues to show up as 196GB
Any help or suggestions greatly appreciated.
7 Replies
Replies have been turned off for this discussion
- I'm going through this right now. Did you ever come up with a solution?
- you can not.
Over 2tb drives require GPT, not MBR.
Sparc devices like NV+ do not support GPT.
You must connect your usb drive to a PC/MAC then backup your nv+ over the network.
Or use a regular 2tb drive. - Yep, I solved it!
I sold my NV+ on ebay and bought an Ultra. Which then worked without a hitch. - Now I'm understanding why Newegg had the Duo on sale. Guess I'll be sending mine back. :?
- The duo/nv+ v2, which was recently announced, supports GPT and large drives, you should see if you can find one of those for a good price. Or go with an ultra 2 or 4.
- Oh... I recently bought an NV+. How do I know which version I purchased? If I version 1, is it possible to use multiple 2TB USB drives to backup the NAS?
- The v2 was released for sale beginning November 13th 2011. Units sold before this time will all be v1.
v1 units will show a firmware version of 4.1.x in the Info (far right) column of RAIDar and have a web-interface that looks like this: http://www.readynas.com/simulators/frontview
v2 units will show a firmware version of 5.3.x in the Info (far right) column of RAIDar and have a different new dashboard web-interface.
The v1 is the RND4000-100 and the v2 is the RND4000-200
With the v1 you can use multiple 2TB USB drives. Create multiple backup jobs with each backing up <2TB of data.
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