this post was submitted on 29 Apr 2025
55 points (93.7% liked)

Selfhosted

46479 readers
1506 users here now

A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

Rules:

  1. Be civil: we're here to support and learn from one another. Insults won't be tolerated. Flame wars are frowned upon.

  2. No spam posting.

  3. Posts have to be centered around self-hosting. There are other communities for discussing hardware or home computing. If it's not obvious why your post topic revolves around selfhosting, please include details to make it clear.

  4. Don't duplicate the full text of your blog or github here. Just post the link for folks to click.

  5. Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).

  6. No trolling.

Resources:

Any issues on the community? Report it using the report flag.

Questions? DM the mods!

founded 2 years ago
MODERATORS
 

My budget is ~500 Euro.

I haven't built a PC in 10 years, I gave no idea where to start.

It will mostly be used to run Nextcloud, Minecraft Server and some future homelab projects.

I'm thinking of using this for the case https://www.the-diy-life.com/introducing-lab-rax-a-3d-printable-modular-10-rack-system

Where do I start? What CPU or motherboard would you recommend? I want it to be somewhat future proof and also act as a NAS

you are viewing a single comment's thread
view the rest of the comments
[–] sugar_in_your_tea@sh.itjust.works 2 points 2 days ago (1 children)

RAID is production ready on btrfs, the only issue is the write hole on RAID 5/6. If you don't need RAID 5/6, you're fine. I use RAID 1, which is 100% production ready.

multi-device support

Ah, I've never considered that use case. My HDD RAID 1 array is plenty fast for what I need.

But isn't that basically what a cache drive does? It mostly caches reads, but I think it can cache writes too.

Good to know if that's your use case, but it sounds pretty niche to me.

[–] sxan@midwest.social 2 points 1 day ago

It actually is RAID5/6 I'm looking for. Striping for speed isn't important to my, and simple redundancy at a cost of 1/2 your total capacity isn't a nice as getting 3/5 of your total capacity while having drive failure protection and redundancy.

Used to go the device mapper and LVM route, but it was a administrative nightmare for a self-hoster. I only used the commands when something went wrong, which was infrequent enough that I'd forget everything between events and need to re-learn it while worrying that something else would fail while I was fixing it. And changing distros was a nightmare. I use the btrfs command enough for other things to keep it reasonably fresh; if it could reliably do RAID5, I'd have RAID5 again instead of limping along with no RAID and relying on snapshots, backups, and long outages when drives fail.

Multi device is only niche because nothing else supports it yet. I'll bet once bcachefs becomes more standard (or, if, given the main author of the project), you'll see it a lot more. The ability to use your M.2 but have eventual consistency replication to one or more slower USB drives without performance impact will be game changing. I've been wondering whether this will be usable with network mounted shares as level-3 replication. It's a fascinating concept.