Translations:Btrfs/87/en

Compression ⇒

Compression can only be set per volume. So if you set different "levels" of compression for different mounts in the fstab, only the first "level" will be applied. see@btrfs.readthedocs.io

Grub needs to load the kernel and initrd

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When you use compression on kernel, initrd, or grub config files, grub needs to decompress these files. Otherwise you will not be able to boot. GRUB introduced zstd support in 2.04. Maybe you need to update grub and reinstall it