07-14-2020, 03:51 PM | #1 |
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FUBAR'd NAS drive - what to do?
Well, with typical techgear efficiency, one half of my NAS RAID has just given up the ghost three weeks out of warranty. No data loss but obviously it needs replacing.
So should I go like for like (WD Red) or, on the basis that the other one will probably fail soon, upgrade the pair to something better? Thoughts welcome. |
07-14-2020, 03:56 PM | #2 |
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I'd just bang another WD Red in and not worry about it. My NAS also runs a pair of the same drive, and has been running fine for several years.
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07-14-2020, 04:01 PM | #3 |
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i just upgraded my synology, in place. swap a new disk in, force a rebuild, then swap the other disk in.
youre in a very similar scenario, so find out if you're nas vendor supports that pattern. i rarely see two similar drives fail together, but i also dont leave a system running on a single drive for any length of time. your appetite for risk may vary, but consider a quick and dirty backup to amazon S3 for total security. S3 is cheap if done right. |
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07-14-2020, 04:12 PM | #4 |
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Thanks. Yeah, another red is probably the easiest option. Just thinking another few weeks might see me £180 out of pocket just to have what I had before.
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07-14-2020, 04:15 PM | #5 | |
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07-14-2020, 04:31 PM | #6 |
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Had the same recently, installed a WD Red, you can install one drive that's bigger, so if the other one fails, you can then do a size upgrade if you want.
I also enable backup to Amazon Glacier, works out well cheap for upload (based on size, I pay circa £2.50 a month), it will cost a bit more if you have to retrieve the data, but better to have the option IMO. |
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07-14-2020, 04:53 PM | #7 |
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Be careful with WD Red drives:
Some of the WD NAS HDD's use a technology called SMR (shingled magnetic recording), basically it gives you more capacity at a lower price. SMR drives have ROTTEN performance for random write usage and should not be used in a NAS RAID array. The other problem with SMR drives is RAID rebuilds will take many hours longer than normal CMR drives (CMR, which stands for conventional magnetic recording). increasing the chance of further drive failures whilst you are rebuilding. WD have a class action lawsuit against them, as this was not advertised on there NAS labelled drives. If you have SMR drives i would replace with IronWolf drives from Seagate or look for the WD CMR NAS drives now they have labelled them.
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07-15-2020, 06:18 AM | #8 | |
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07-15-2020, 06:45 AM | #9 |
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I have 4 4TB WD RED pro's running pretty much continuously for the past 4 years, and 2 WD RED 3TB's that are over 8 years old; not even a single bad sector - so would def say get another WD/ Red/ Red pro have been great for me
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07-15-2020, 06:49 AM | #10 |
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Thanks. I must have been unlucky with this one. I couldn't even run Lifeguard due to "too many bad sectors".
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07-15-2020, 07:54 AM | #11 |
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I typically have a dozen or so NAS drives on the go at any one time (in Synology devices) and have stuck with WD Red (CMR) drives. Did try Seagate in the early days but the failure rates were too high, don't know about today's comparative reliability. Also on the odd occasion where a WD drive has failed within warranty, WD have been very good at replacing them.
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07-15-2020, 08:21 AM | #12 | |
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07-15-2020, 08:56 AM | #13 | |
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07-15-2020, 10:56 AM | #14 |
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07-15-2020, 12:46 PM | #15 |
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just make sure you don't purchase the SMR drives, and if you have any i would replace them. They should not have been sold for NAS use.
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07-15-2020, 01:29 PM | #16 |
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07-16-2020, 03:25 AM | #17 | |
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The extra spin speeds may help - depending what you do too... although i didnt notice any improvement - but depends what you use it for.... |
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07-16-2020, 01:29 PM | #18 |
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Well typical Amazon! I ordered a WD20EFRX (CMR) drive, I got a box that said WD20EFRX, inside was a package that said WD20EFRX, and inside that was a disk drive clearly marked WD20EFAX (ie SMR).
Guess what I'll be ordering next. |
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07-18-2020, 03:07 AM | #19 |
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Sorry to hear that. WD have re-branded their CMR Red drives to 'WD Red Plus' to make it easier to distinguish but that only happened recently so suppliers probably still have a mixture of old CMR and SMR drives all just labelled 'WD Red' and with Amazon just being box shifters it's a crap shoot as to which you'll get.
Good luck with the refund, at least it's usually quite straightforward with Amazon just a pain to have to reorder and wait longer.
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07-18-2020, 06:13 AM | #20 | |
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