ZFS: Difference between revisions

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== ZFS Trim for SSDs ==
== ZFS Trim Support for SSDs ==


Currently a [https://github.com/zfsonlinux/zfs/pull/8419 patch for zfs] is being tested which allows the trimming for ssd drives. It's still being tested and not yet included in the zfs git-master. Testing so far has been positive and if you want to try - at your own risk - you can do so easily.
ZFS 0.8 now also features trim support for SSDs.
 
=== Apply ZFS Trim patch ===
 
1. Create a clone of Nixos git-master
 
2. Create a new branch, e.g. <code>git checkout -b zfs-trim-patch</code>
 
3. Get the zfs default.nix with trim patch, e.g. <code>curl -o ./pkgs/os-specific/linux/zfs/default.nix https://www.sjau.ch/zfs/default.nix</code>
 
4. Rebuild Nixos, e.g. <code>nixos-rebuild boot -I pkgs=/root/nixos-git-master</code>
 
Of course use appropriate paths for your system.


=== How to use ZFS trimming ===
=== How to use ZFS trimming ===