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Question about what to put on RAID and what to put on NVME (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by ch00f@lemmy.world to c/selfhosted@lemmy.world

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Since 2016, I've had a fileserver mostly just for backups. System is on 1 drive, RAID6 for files, and semi-annual cold backup.

I was playing with Photoprism, and their docs say "we recommend placing the storage folder on a local SSD drive for best performance." In this case, the storage folder holds basically everything but the pictures themselves such as the database files.

Up until now, if I lost any database files, it was just a matter of rebuilding them by re-indexing my photos or whatever, but I'm looking for something more robust since I'll have some friends/family using Pixelfed, Matrix, etc.

So my question is: Is it a valid strategy to keep database files on the SSD with some kind of nightly backup to RAID, or should I just store the whole lot on the RAID from the get go? Or does it even matter if all of these databases can fit in RAM anyway?

edit: I'm just now learning of ZFS caching which might be my answer.

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[–] ch00f@lemmy.world 1 points 1 year ago (1 children)

I’ve heard that too. Hmm.

Up until recently, the server mostly hosted a photo library and media library that didn’t tend to change very often. So a hdd in a fireproof save updated once a year was enough for me.

I guess I’ll have to come up with a better solution. What would you recommend for automatic backups? I’m trying to avoid 3rd party services.

[–] blackstrat@lemmy.fwgx.uk 2 points 1 year ago (1 children)

I've switched to restic for my backups and have been very happy with it. Very fast, encrypted and snapshot history.

[–] ch00f@lemmy.world 1 points 1 year ago (1 children)

So are you thinking like a raspberry pi with an 18TB hard drive accepting nightly backups through restic?

[–] blackstrat@lemmy.fwgx.uk 2 points 1 year ago

Sounds like a good plan to me