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ReadyNAS Duo RND2000 drive upgrade
I'm looking to replace drives and increase capacity in my ReadyNAS Duo RND2000. The unit itself has been reliable, particularly after hooking it up to a UPS Currently I have 2x1TB Seagate Barracud...
I have several Duos. I recently upped one from 2x1TB (X-RAIDed) to 2x 2TB. It was a very easy process, but did take a few days.
I use these drives "Seagate Barracuda 3.5 inch 2TB 7200 RPM 64MB 6GB/S Internal SATA Drive" (from Amazon.co.uk)
(Not saying these drives are right for you, but they are what I have had success with - YMMV).
The upgrade is easy:
1. Power down and replace drive 2 with a new 2TB drive.
2. Power up and let the RAID sort itself out.
3. Repeat steps 1 & 2 for drive 1.
4. When RAID is all sorted, reboot again to have the X-RAID expand the volume to 2TB.
5. Job done!
It is very straight forward but takes days, and as you probably already know, make sure you have a backup of ALL your data before you start.
Good luck,
Ian
Thanks for the replies guys. TBH I think I may have left drive upgrade a bit late as it seems suitable drives with RVS are becoming in short supply due to evolution I suppose. Having said that I somewhat feel that kit manufacture has come along and regular drives are likely to be quite reliable if a decent brand is picked. It's not as if the location of my NAS is one where it is getting knocked about either. Though I understand some of the RVS thing relates to drive<>drive vibration in the chassis too.
Coincidentally the Barracudas mentioned by ilneill had drawn my eye previously, nice cache, xfer rate and nice price to boot. However some of the reviews are a bit scary, and that's even after excluding the ones that are being used as external HDDs rather than sat in a NAS box. The customer feedback seems to be polarised and when bad, it seems very bad, right down to the packaging. I even wonder if some are sneaky recons. I used to buy hundreds of HDDs when I did a lot of storage management and even in that environment the failure rate was very low, but perhaps my route of purchase was more direct to elude any potential dodgy goings on.
How long have you been running these and have any errors shown?
As I've not swapped out any of mine before I was interested to read that you can just swap 1 for the bigger unit, let it sort itself, then finalise the mirror by banging the 2nd bigger one in. For some reason I was under the impression that with the Duo, you ditched both drives, set up a new pair, then restored data to the mirror set. In terms of emergency rollback I would of course have my original pair of 1TB units
As for the WD WD20EFRX mentioned by StephenB, I'd not seen that as I'd been focusing on the Netgear HCL and that model is not included. However the feedback seems consistently better and I do like the angle WD play saying they will work in whatever NAS you use. Bold, and I've not had any issues with WD kit in the past either. Interestingly I see a Q and someone has replied saying they have them in their Duo.
Hmm right now I think I can see where this is going...subject to a bit more reading on the WD Red to see if specific compatibility with Duo is mentioned, maybe even up to 3TB
Cheers again guys, as ever this is a helpful and knowledgeable place to discuss issues.
As and when I make a decision I'll be sure to share results. :-)
3 TB will certainly not work in the duo v1. It doesn't support GPT formatting, so it is limited to 2 TB.
Yeah I was beginning to suspect that limitation, but as I'm only about 75% full on 1TB, I reckon the move to 2TB will last some time. Incidentally I read up some more on the WD Red series and learnt that they pretty much have their own flavour of vibration protection built in, and the Duo v1 is listed as a tested chassis. So all in all, they sound like a good tip you've suggested!
Good luck with your upgrade - whatever drive you choose! I always find that hard drive discussions tend to produce "mixed" opinions, almost like a healthy win/linux/mac discussion :-)
As it happens, I was also tempted by the WD Reds... the price put me off, more than anything else.
So far with my Seagate DMs I have had no trouble, but I do also have an automated full backup. So whatever transpires, I feel safe at the moment :smileywink:
Ian
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