I currently have two 1TB Seagate drives (ST31000322CS) which have been in use for 5 years (spin down when not active) and I think are in good health (see below), but I'm running low on space - 192GB free out of 920GB.I would have been happy to add a couple more of the same drive, but they are not available new any more. The top few drives on the official hardware compatibility list don't appear to be available any more either.Is it OK to mix capacities (is there any advantage to be had from adding a couple of 2TB drives), or should I stick with 1TB drives?Any recommendations for HDDs which I can actually buy?SMART Attribute disk1 disk2Spin Up Time 0 0Start Stop Count 65535 65535Reallocated Sector Count 0 0Power On Hours 32892 32875Spin Retry Count 0 0Power Cycle Count 58 57End-to-End Error 0 0Reported Uncorrect 0 0Command Timeout 0 0High Fly Writes 55 121Airflow Temperature Cel 28 30Temperature Celsius 28 30Current Pending Sector 0 0Offline Uncorrectable 0 0UDMA CRC Error Count 0 0ATA Error Count 0 0Hot-add events 0 0Hot-remove events 0 0Lp stat events 124 1Power glitches 0 0Hard disk resets 0 0Retries 0 0Repaired sectors 0 0

You can mix capacities, but you won't see vertical expansion until all drives match (The NAS would treat all drives as 1 TB) Also, given the age of your equipment it is likely you'd need to do a factory reset to get 4K alignment anyway. Otherwise performance will suffer. You also might need to update your firmware. What are you running now?Since you are out-of-warranty, there are no support implications to straying from the HCL. Personally I'd pick the WDC WD10EFRX (or the WD20EFRX if you want 2 TB for ~$30 more). Usually I'd suggest going with the 2 TB drives, but in your case your storage needs do not appear to be growing very quickly. So it is a toss-up. You might want (or need) a new NAS before you need larger drives.I'd avoid the newer "green" disks (WDC or Seagate). The NAS disks from both vendors (WDC EFRX and Seagate NV000) seem to do better in NAS and have better warranties. Seagate doesn't have a 1 TB model though.

Hi Stephen, thanks for the reply.Think I'm running the latest FW (RAIDiator 4.1.13 [1.00a043]) - I was more interested in HCL because of not wanting any weird compatibility problems.WD10EFRX looks like the sensible option - it's actually on the HCL - and I had forgotten that x-raid meant adding more discs with the same capacity just adds capacity not redundancy, so I'd get 2TB free space... as you say, should last me until it's time to replace the NAS.Appreciate the head-up about 4k alignment issue with 2TB drives too - would have been annoying to have to factory reset.

Read the specs of all drives carefully. The red drives including the WD10EFRX are Advanced Format drives ( 4k ) http://www.wdc.com/wdproducts/library/S ... 800002.pdfMost of the high capacity ( > 1 tb ) are 4k drives.Unless I am wrong about the AF designation. We got bit by this at work a year or so ago when the AF drives got slipstreamed into a big laptop order. Our images performed poorly until we figured it out.

markwoll wrote:The red drives including the WD10EFRX are Advanced Format drives ( 4k )Thx for pointing this out.I'd use it anyway though. Otherwise you end up searching for drives no longer in production. Sometimes you can find them, but often the price is way out of line.If the performance noticeably drops off you would need a reset to restore it. Though you might find it is ok - my NV+ is mis-aligned, and I've never gotten around to fixing it. I use it for backup of my Pro, and its more than fast enough for that.

I`ve recently been looking for HDD replacement/ upgrade to 2TB, and have been finding it difficult to find a good HDD that is on the HCL from retailers. Just about the only thing I see from my regular retailer is a Seagate drive that only has 1 year warranty, and some unflattering reviews ... Unfortunate, since I would typically buy Seagate.I note your earlier comment on WD10EFRX (which is on the HCL), and note regarding WD20EFRX (which is not on the HCL) for 2TB. The WD20EFRX is available from my regular retailer, so very much interested in getting this if it is, in fact, supported. Is this a known omission from the HCL ? Would I be refused support if I got the WD20EFRX ?Any advice/guidance would be appreciated.Thanks!

HDD recommendations for Readynas NV+ v1

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belrangodoucet
Aspirant
Aug 13, 2014
OK, so if I look up the 2TB drives from Seagate and WD from the HCL with the manufacturers, all but one of those drives is already MD'ed. And the one drive that is not yet MD'ed only has a 1 year warranty.
So,if I want to abide by the HCL and max out my NV+ capacity, I have little or no choice in hard drives, and must accept buying product with a 1 year warranty for a high reliability application (hmmm...).

Let me ask then, whether there is any further testing of (newer) 2TB drives planned for the NV+ ?
Have you heard (or expecting) anything back from the QA team on this topic ?

Thanks!
mdgm-ntgr
NETGEAR Employee Retired
Aug 13, 2014
I agree that we need to get some newer 2TB disks on the list.

I have been discussing this with the QA team.
mad_penguin
Aspirant
Sep 29, 2014
mdgm wrote:
I agree that we need to get some newer 2TB disks on the list.

I have been discussing this with the QA team.

Hi,

Any news on that ?

One of my HDDs caused my NV+ to hang up, seems the HDD's fried according to the vendor diagnostic tool :

Funny thing is that I had absolutely no warning ahead of time, despite email alerts being set.

Anyway, I have to replace it ASAP. I'm considering the WD "Red" series. But if the 1TB one is listed in the HCL (WD10EFRX), the 2TB one isn't (WD20EFRX). It seems those are running well on Duo according to some messages I found on this forum, but should I expect any trouble with my NV+ or can I go ahead without worries ?

I know critical data are to be on backup, but it would be no fun to restore, especially when trying to get back all the non-critical stuff I can't afford to backup easily.
StephenB
Guru - Experienced User
Sep 29, 2014
I've had no issues with the 2 TB Red in the duo v1.

Though I'd suggest you invest a bit in more backup capability. USB drives are not expensive.
mdgm-ntgr
NETGEAR Employee Retired
Sep 29, 2014
Disks can and do fail at any time. Sometimes without any warning (which is one reason why backups are important).

I would certainly prefer WD RED drives over Green drives.

I will need to follow up on where things are at.
mad_penguin
Aspirant
Sep 29, 2014
StephenB wrote:
I've had no issues with the 2 TB Red in the duo v1.

Though I'd suggest you invest a bit in more backup capability. USB drives are not expensive.

Thanks for the confirmation.

6TB USB drivers tends to be on the expensive side ;) I CAN backup critical data (which is way less than that), it's all the "confort" stuff on the side which would be a pain ;)
StephenB
Guru - Experienced User
Sep 29, 2014
You can use multiple disks of course - you just need to manage the maximum share size to fit a reasonable capacity.

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HDD recommendations for Readynas NV+ v1

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