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Synology NAS Western Digital RED Hard Drive FAIL

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EEVblog:
A Western Digital RED hard drive in Dave's Synology NAS has finally failed.
Had to happen eventually...

A big controversery in the comments about CMR vs SMR drives. The one that failed is CMR, but I do have one SMR drive in the NAS.

rolfe:
I had a disk go in one of my NAS boxes at home. When I went to investigate, there was a loud grinding noise coming from the unit.

This is what it looked like (note the prominent groove that has been etched halfway out from the centre!):



After cleaning off the dust(!) this is what one of the platters looked like:



(I was running with 2 redundant units, so getting a replacement and syncing it up was a relatively stress-free process)

Rolfe

rdl:
How old was it? Everything stops working eventually. I had a Raptor that was 10 years old before I finally replaced it. That's the longest I've ever kept a drive in service. Usually around 5 years or so I start getting paranoid.

edit: I didn't realize there was an embedded video. Only 3 years is a very early death.

I_Saldana:
Never ever would I advide anyone to go for scammy "extended warranty" options....
except for nas harddrives..
If you see models that temporarily offers 5 year warranty instead of (here it's the usual 2 , mandatory) that's the one I'd go for.

I also stumbled on a few posts concerning just this last year when I had a failed zpool.

This is the page I used to check what I should buy as a replacement:

https://nascompares.com/answer/how-to-tell-a-difference-between-dm-smr-and-non-smr-cmr-drives-hdd-compare/

newbrain:

--- Quote from: EEVblog on June 03, 2021, 07:33:26 am ---A big controversery in the comments about CMR vs SMR drives. The one that failed is CMR, but I do have one SMR drive in the NAS.

--- End quote ---
SMR are horrible for ZFS and bad for anything else. Might be barely tolerable in a desktop.
In a NAS, I would replace it with something better and maybe repurpose it.

Luckily, most vendors are now being a bit more honest in their specification, not hiding the recording mode in a 4 point text in an appendix behind a "Beware of the Leopard" sticker.
E.g. WD and Seagate

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