Data Hoarder

173 readers

1 users here now

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.

founded 1 year ago

MODERATORS

[email protected]

Most efficient and economic way to store about 20 TB of data (alien.top)

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

18 comments fedilink hide all child comments

Hey gais, pretty much the title. So far I was buying HDDs every few years always having a backup, had some drives fail tho. Today I was visiting a local data centre and they are using these cool but expensive high TBW enterprise TLC SSDs, (Samsung, Micron, Kioxia).

I know shiz about data preservation, if I buy one of those, do you think they are going to last longer without failing? If I lets say give them a power up once a while?

But it's probably still way cheaper to just swap bad sector HDDs.

you are viewing a single comment's thread
view the rest of the comments

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

TBW is a measure of performance/resiliency for drives being written to very frequently.

You use the word "backup" which implies infrequent writing. "Redundancy" is what we call duplication of data that is copied very frequently. Very different application. So how frequent are you making these copies?

In the 20TB range, a few offline HDD are by FAR the most economical backup solution, even in triplicate. As far as reliability, the MTBF of an offline HDD stored properly is vastly greater than the upgrade cycle. Even less of a concern with triplicated backups.