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Occasional Contributor
Posts: 8
Registered: ‎2010-12-13

ReadyNas Duo 2nd disk problem

Hi,

I've had a ReadyNAS Duo for a couple of years and it's generally been ok, but has a weird 'feature' which is now causing problems.
When I add a second disk to the Duo it crashes - I hear the disk spin up and then everything just goes unresponsive. NAS is unresponsive, disappears off RAIDAR, etc. That's if I hot-add the 2nd disk.
If I shutdown the NAS and add it the Duo just never starts up properly at all (just sits there with the blue light blinking).

Both disks are the same size and are on the Hardware Compatibility List. I did used to be able to work around this issue by formating the 2nd disk in my PC and then adding it in to the Duo, then it would resync and work again, but as soon as there was a shutdown/power outage I'd have to reformat the disk if I wanted it to work. I've used many different disks on this drive, going to great lengths to source ones from the Hardware Compatibility List and this was the only way to get any of them to work. However now, even this has stopped working.

Can anyone tell me what's going on? Or point me in a direction to get this resolved?

Thanks,
PR
Occasional Contributor
Posts: 8
Registered: ‎2010-12-13

Re: ReadyNas Duo 2nd disk problem

PS. I'm on the latest firmware (4.1.7 and now 4.1.8).
Esteemed Contributor
Posts: 4,615
Registered: ‎2008-02-28

Re: ReadyNas Duo 2nd disk problem

Sounds like the 2nd disk is bad - try testing it with vendor tools if you can plug it into a PC, else you might just have to replace it

NAS: Ultra-4, NV+ & Duo v2 :: ST31500341AS & HDS723020BLA642 Drives
Network: Netgear GS108Tv2 / DM111P :: Airport Extreme / Express & Time Capsule
Clients: OS X 10.6 - 10.8 :: Ubuntu 11.x :: Win 7 + SP#1
UPS: APC ES-550

Occasional Contributor
Posts: 8
Registered: ‎2010-12-13

Re: ReadyNas Duo 2nd disk problem

It's a WD drive (identical to disk1) and WD Data Lifeguard says it's fine.
Any other ideas?

PR
Esteemed Contributor
Posts: 4,615
Registered: ‎2008-02-28

Re: ReadyNas Duo 2nd disk problem

It is still possible that the disk is bad. I'd suggest:

1. Power down the NAS
2. Remove the good drive
3. Place the other drive in the same slot that you just removed the good drive
4. Power Up and perform a factory default and see if the unit boots (see FAQ for instructions)

This will help narrow down if the drive truly is at fault or if the issue is with the slot in the NAS. If the NAS boots and and is accessible you have a strong case to contact Netgear support re. replacing the NAS (assuming you are still in the warranty period) as you may have a faulty slot. If it does not boot, you may wish to exchange the disk.

To restore your original disk - simply power down and replace in the original slot. The NAS will boot as before

NAS: Ultra-4, NV+ & Duo v2 :: ST31500341AS & HDS723020BLA642 Drives
Network: Netgear GS108Tv2 / DM111P :: Airport Extreme / Express & Time Capsule
Clients: OS X 10.6 - 10.8 :: Ubuntu 11.x :: Win 7 + SP#1
UPS: APC ES-550

Occasional Contributor
Posts: 8
Registered: ‎2010-12-13

Re: ReadyNas Duo 2nd disk problem

Yep - restart with factory defaults and 2nd disk (in 1st disk slot) worked fine. Visible in RAIDAR and fully accessible via http.

Off to Netgear support I go... hope it's better than last time

Thanks for the help!

PR
Occasional Contributor
Posts: 18
Registered: ‎2009-02-21

Re: ReadyNas Duo 2nd disk problem

Hi

I also have this exact problem, although sometimes the disk works for a short while and then fails. When you plug the disk into another machine all is well. As your problem mine seems isolated to the 2nd bay, i.e. putting problematic disks (yes I've tried numerous different drives) in bay 1 and the NAS is fine.

I am very interested to hear what happened with your case when you contacted Netgear? I'm actually considering chucking the thing in the bin and building my own.
NETGEAR Moderator
Posts: 38,887
Registered: ‎2011-06-07

Re: ReadyNas Duo 2nd disk problem

Contact tech support. If your NAS is still under 3 year warranty and it's determined the NAS has a faulty drive bay you can get an RMA replacement.
Occasional Contributor
Posts: 18
Registered: ‎2009-02-21

Re: ReadyNas Duo 2nd disk problem

Thanks for your response, however it isn't still under warranty. So I think once I've built my own replacement box, it's bin bound...
Occasional Contributor
Posts: 14
Registered: ‎2007-06-09

Re: ReadyNas Duo 2nd disk problem

siburchy wrote:
Thanks for your response, however it isn't still under warranty. So I think once I've built my own replacement box, it's bin bound...



I'm afraid I'm going the same way with mine after over 3 years of ownership- into the bin the duo goes. No warranty and the device has started to plague me with problems (disks are fine). I'm switching to a HP microserver which has 4 bays for the same price as a new Duo. I don't think I've ever encountered a more fussy device than the Duo. Smiley Sad
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