Data Hoarder

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We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.

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WD drives. Do I really need to buy the NAS-specifix drive? (alien.top)

submitted 1 year ago by [email protected] to c/[email protected]

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Hi. I'm in Australia and Amazon have both the 6TB WD Blue Desktop and WD NAS drives available, but the latter is 100 bucks more than the former (280 vs 190). They're both 5400rpm and have 256MB cache.

I run UnRAID at home, with the computer on 99% of the time. The drives are set to spin down after 15 minutes and I reckon at least a couple of my 8 drives spin up a handful of times a day.

What am I getting for that extra 100 bucks? What would I be missing out on if I bought the cheaper ones? I'd be thinking of buying 2 as one of them would be my new parity drive.

Thanks for any advice.

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[–] [email protected] 1 points 1 year ago (2 children)

You should buy drives large enough to clear the "shitty SMR" zone without any penalty on price/TB (that's at least 8TB for WD and 10TB for Seagate). Other than that anything is fine, especially for unraid that treats the disks separately.

[–] [email protected] 1 points 1 year ago

Thanks!

[–] [email protected] 1 points 1 year ago

Putting aside the conspiracy theory that SMR could be submarined in to drives again, all WD Red Plus, Red Pro, Gold and Ultrastars are CMR. Red is all SMR and available up to 6TB and 8TB WD Blue (the max size) is CMR.

[–] [email protected] 1 points 1 year ago (1 children)

Anything is fine as long as it's CMR. Always check the datasheet thoroughly.

[–] [email protected] 1 points 1 year ago

WD Blue 6TB is SMR. There are no 8TB+ WD SMR drives in any line. And there are no 10TB+ SMR drives in any Seagate line. Unsure about Toshiba.

https://support-en.wd.com/app/answers/detailweb/a_id/50697/related/1

https://www.seagate.com/products/cmr-smr-list/

https://toshiba.semicon-storage.com/ap-en/company/news/news-topics/2020/04/storage-20200428-1.html

For 2.5" drives, with the exception of a few Toshiba and specialized Seagate Exos E, all >500GB are SMR.