zfs VS openzfs

Be careful if you use ZFS-on-root, make sure not to snapshot bpool or it will brick your system and require a complete reinstall.

https://github.com/openzfs/zfs/issues/13873

> The only non-junk PCIe3 option that's even advertised here recently is the overpriced WD Red SN700.

Those WD drives seem to have some real issues, at least with ZFS and btrfs. :(

https://github.com/openzfs/zfs/discussions/14793

IMO the "next fs" is just zfs. They somewhat recently merged RAIDZ expansion feature https://github.com/openzfs/zfs/pull/12225 and make regular improvements. If no file system has what you need today, zfs will probably be the first one to have it "tomorrow," imo.

https://github.com/openzfs/zfs/issues/15526#issuecomment-181...

> zpool get all tank | grep bclone

> kc3000 bcloneused 442M

> kc3000 bclonesaved 1.42G

> kc3000 bcloneratio 4.30x

> My understanding is this: If the result is 0 for both bcloneused and bclonesaved then it's safe to say that you don't have silent corruption.

A couple years ago, I had an idea for convincing a filesystem to go faster using 2 compression steps instead of one. I couldn't see why it wouldn't work, and I also couldn't convince myself it should.

It seems to have worked out. [1]

[1] - https://github.com/openzfs/zfs/commit/f375b23c026aec00cc9527...

https://github.com/openzfs/zfs/issues/7631

This is a long-standing issue with zvols which affects overall system stability, and has no real solution as of yet.

Heads up, installing both WinBTRFS and OpenZFS on Windows may have problems:

"Win OpenZFS driver and WinBtrfs driver dont play well with each other"

https://github.com/openzfsonwindows/openzfs/issues/364

I tried it a few months ago and ReFS ate my data. No indication of why in event logs or SMART data. It had IsPowerProtected set because I have a UPS and I had a unclean restart, I would expect it to lose data, but not to corrupt the filesystem metadata. I had a backup of the data but wanted some recent changes. Refsutil (the official Microsoft tool) didn't help because it has not been updated for the newest ReFS version. I couldn't read most files because I had integrity enable and files failed the check. Hetman's Data Recovery was able to recover most of the data. In later testing I found out that IsPowerProtected is just very unsafe. I have since put some time into testing and sometimes fixing https://github.com/openzfsonwindows/openzfs , it is not ready for use yet, but it is making great progress.

Windows lacks support in the same sense that Linux lacks support; there are external projects implementing it for both, though I believe the Windows port is less polished. (Some people are running it in production, though...)

This is really cool and speaks to the modularity of the Windows file system stack. I love projects that customize Windows (working against its closed-source nature).

There’s an OpenZFA port to Windows[0]. I wonder if my hopes of having ZFS on Windows (including the boot drive, because I would love to be able to snapshot and rollback) would actually be possible.

[0] https://github.com/openzfsonwindows/openzfs

*cough* it can, but... no idea how well it works but it seems a bit hacky.

If you have not used it, maybe the native ZFS port for windows could be an easier solution.

Theoretically ZFS is ported to windows, but I heard that it is not really stable yet.

I did use the packages provided here: https://github.com/openzfsonwindows/openzfs/releases/tag/zfswin-2.1.6rc2