this post was submitted on 27 Mar 2024
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RAID setup for Ubuntu media server (sh.itjust.works)
submitted 7 months ago* (last edited 7 months ago) by blackstampede@sh.itjust.works to c/linux@lemmy.ml
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I recently acquired two used blade servers and a short rack to put them in. I'm planning to use one or the other as the replacement for a media server that died on me a bit ago. The old media server was just a little refurb dell workstation, with a single SSD in it, but the servers have 6 and 8 bays, respectively.

I would like to RAID them so that one drive dying doesn't lose any of my media, and I was leaning towards Ubuntu server as an OS. I'm not sure how to do that, and I'm kind of poking around for info and advice. Hit me with it.

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[–] blackstampede@sh.itjust.works 1 points 7 months ago (1 children)

I'm mainly concerned about:

  1. Not losing data if one drive dies on me.
  2. Fast reads
  3. Easy plug and play expansion

Since I'll have 8 drives (or 6, if I use the smaller server, it would be nice if I could swap out one of them without losing data and add a larger one, which would then get used automatically. Is that something that RAID is good for?

I'm hesitant to set up backups because it's going to be a lot of data.

[–] n2burns@lemmy.ca 3 points 7 months ago

I’m mainly concerned about:

  1. Not losing data if one drive dies on me.

Sure, that's what RAID is designed to do. However, I'd suggest also looking into what happens when your array is degraded and how to rebuild it.

  1. Fast reads

I'm a bit surprised you need fast reads with a media server. You're probably going to have to clarify your needs a bit more.

  1. Easy plug and play expansion

Since I’ll have 8 drives (or 6, if I use the smaller server, it would be nice if I could swap out one of them without losing data and add a larger one, which would then get used automatically. Is that something that RAID is good for?

Standard RAID levels generally don't have options to add larger drives. I'm not sure what you mean by "plug and play". I'm pretty sure almost all setups will involve a fair bit of configuration.

I’m hesitant to set up backups because it’s going to be a lot of data.

It's also a lot of data to lose if things go more wrong than you expected (multi-drive failure, bit-rot, etc.).