741 B
741 B
Btrfs
Snapshot
Create shapshot
btrfs subvolume snapshot xyz xyz-snapshot-path-name
# or
btrfs subvolume snapshot main "main-`date +%Y-%m-%d`"
Delete shapshot
btrfs subvolume delete xyz-snapshot-path-name
# or
btrfs subvolume delete "`echo main-* | tr ' ' \\\\n | sort | head -n 1`"
Common
Resize
btrfs filesystem resize max /mnt/dmp/
# or for view ID
btrfs device usage /mnt/dmp/
btrfs filesystem resize ID:max /mnt/dmp/
Defragment / compress
mount -o compress=zstd:15 -t /dev/sdx /mnt
# or
btrfs filesystem defragment -v -clzo /boot/*
# or
chattr +c dir
Set RO / RW
btrfs property set -f . ro false
btrfs property set -f . ro true