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this post was submitted on 08 Aug 2023
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What about LVM snapshots? I assume everyone sets up LVM nowadays anyway.
I don't think I've heard of any distro doing that. Maybe it's more common in the server space, but LVM is usually only used for encryption and maybe RAID in the desktop space, and even RAID is pretty rare these days.
I personally have one large BTRFS partition for my desktop OS with sub volumes for a few mount points. I used to have /home on a separate partition, but I made / too small and needed to micromanage it, so I decided to just go with one partition on the next install.
I'm not familiar with how LVM snapshots work with BTRFS subvolumes, but I'm guessing it would just snapshot the whole partition. I use BTRFS for other reasons as well, so it just doesn't make much sense to me to do it differently, and why would I when Tumbleweed does it for me?
I do use LVM for encryption, but that's it.
I meant manually from the cli. I'm not aware of any GUI tools having support for the special LVM features either.
I'm not talking about GUI tools, I'm talking about package manager integration. On openSUSE, if I do a
zypper upgrade, it'll create a BTRFS snapshot so I don't need to think about it. It goes a step further and adds it to a few other commands too AFAIK, so there's a good chance that I'll have a recent snapshot for / if a configuration change broke something.If a popular distro automatically configures LVM snapshots, I'd expect more regular desktop users to be aware if it. AFAIK, none do, so it seems like something only server admins would know about.