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Upgrading Netgear ReadyNAS Disks
I have a ReadyNAS DUO V2 a with 2 x 2TB disks purchased in 2013 which are getting close to capacity. The right hand disk is a system copy of the left hand disk. I just wanted to check as to the disk upgrade process as I wish to install 2 x 4TB disks. So I have a list of questions which hopefully can be answred by the group. I did find one post that referred to upgrading the disks but it was a little ambiguous. So here goes:
1) Is 4TB disk the max I can install? I looked many years ago and possibly 8Tb was the max but cannot locate that information.
2) The process I believe I need to follow is to leave the box running, remove the right hand disk but leave the left hand disk in situ.
Install the new 4Tb disk in the right hand slot and wait for a period to allow it to be formatted and then the system copies the 2Tb left hand disk to it.
3) How long is this likely to take and is there a way of confirming this has complete on the admin console?
4) After this process has complete , remove both disks and move the newly copied 4Tb disk to the left slot and the other clean 4Tb
disk to the right hand slot.
5) STore the old 2Tb disks for posteriety! :-)
Am I missing anything from this process?
many thanks for any help... Mike
Current firmware 5.3.12
System Windows 10 64 bit
Thanks Stephen,
Ok so there is no concept of a master and a slave disk. If I remove the left hand 2Tb disk the right hand 2Tb will be copied across when the new 4Tb disk is installed. For some reason I had assumed the left hand disk was a master.
I understand I will still only have 2Tb available until the second 4Tb disk is installed and copied to (some days later!)
(The removed 2Tb disk will be my backup)
Thanks again for you comments and help... Mike
5 Replies
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Hello watsonm,
When getting disks to use with your NAS, always check the HCL. There is one 4TB model I found on the list.
If you have an existing XRAID ReadyNAS volume, you are trying to do vertical expansion. Please see this article, the steps are the same for ReadyNAS OS4 and OS5.
However, as we always recommend, always have full backup of the data. Also, please make sure you have the latest firmware.
This article may also help you understand volume expansion.
Regards,
JennC wrote:
...When getting disks to use with your NAS, always check the HCL.
Well, the HCL is of limited value - Netgear admitted in live Q&A session in September ( https://community.netgear.com/t5/Idea-Exchange-for-ReadyNAS/ReadyNAS-Live-Q-amp-A-with-Designers/idi-p/1145124 ) that they are no longer updating the HCL for legacy NAS models. Many of the drive models there are old/not easily found.
Generally the NAS-purposed drives should work - both WDC Reds and Seagate IronWolf. As you go to larger sizes, the mounting holes on the drives might not align with the tray.
I don't own a v2 platform, but OS 4.2.x will take 8 TB drives. At least one poster here reported success with the WD60EFRX in their v2 ReadyNAS.
Jennc ,
Many thanks. I was intending to go 4Tb and the WD RED WD40EFRX as per the HCL. I can see some sites still stock it.
I have a 2 disk X-RAID2 setup so based on the article you linked to it doesn't seem to matter what order I swap out the disks.
So my workflow described above seems OK.
Thanks for your input. (and thank you too StephenB)
Mike
watsonm wrote:
So my workflow described above seems OK.
Your workflow isn't quite right.
You need to
(a) hot-replace the first drive with the NAS running, and wait for resync.
(b) hot-replace the second drive with the NAS running, and wait for resync.
Normally there will be a reboot half-way through step b. It doesn't matter which drive is "first" and which is "second". It is wise to make a backup first.
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