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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Just got a Terramaster F4-423. Is there a smart way to mix ssd and hdds? (alien.top)

submitted 1 year ago by SatisfactionNearby57@alien.top to c/datahoarder@selfhosted.forum

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I just got my first proper nas, and I have a 512Gb ssd lying around. I know setting it up as a raid with regular hdds would be stupid. but is there a configuration that can benefit from the speeds of the ssd? some sort of cache? If so, how?

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[–] H9419@alien.top 1 points 1 year ago (2 children)

If you use ZFS you can use the SSD as L2ARC. However, you do have to have enough RAM before this will net any gain in performance so it really depends on what you got.

[–] PrinceParadox@alien.top 1 points 1 year ago (1 children)

Wouldnt use ZFS right now.. I needs a major patch.
https://www.theregister.com/2023/11/27/openzfs_2_2_0_data_corruption/

[–] imanze@alien.top 1 points 1 year ago

ZFS is leagues more advanced than any other file system/raid technology available. Read the details of the issue, it’s not as significant as you may think.