Smooth sailing so far. As some said, sometimes a new kernel comes out and OpenZFS needs to catch up. But for that I keep linux-lts around which is pretty much always compatible so if latest regular kernel can't ZFS, there's always the LTS kernel to boot back up. You probably will use linux-lts anyway since you're building a NAS box and probably prioritize stability.
this post was submitted on 10 Jul 2023
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Thanks! Yeah I was definitely considering using linux-lts for stability, although a weird part of me is addicted to that Arch life of constantly living on the edge.
This is how I do it, installed the LTS kernel and never had an issue updating ZFS.
I'm using zfs on arch for a few years now.
No issues with the filesystem at all!
The only thing I'm noticing is that on some ocasions I can't run updates if a new kernel has just came out; the arch repo doesn't have the zfs modules for the new kernel yet. Usually a day later I can run updates without an issue.
That's good to hear, thanks for sharing! Out of curiosity what kind of RAID and storage volume have you set up?
I've got a pool of a collection of harddisks, mirrored. Performance is pretty decent considering the slow disks.
Oh having lots of available memory helps too, the ARC does a good job caching data, so the more the better.
It has been years since I last used zfs. Here's what happened to me. I had a zpool nearly full. It died of 0 B/s read/write. Previously I had to recreate a zpool because a metadata error happened from loose connection. I forgot to export before unplug several times and processes accessing it went into D state, requiring a reboot to cleanup.