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linux:fs:btrfs:swap_on_btrfs [2021/02/18 19:44] niziak created |
linux:fs:btrfs:swap_on_btrfs [2021/02/18 19:54] (current) niziak |
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| Line 13: | Line 13: | ||
| </code> | </code> | ||
| + | Create non-compressed, no COW, no snapshoted swap file: | ||
| <code bash> | <code bash> | ||
| mkdir -p /mnt/btrfs | mkdir -p /mnt/btrfs | ||
| Line 29: | Line 30: | ||
| mkswap swapfile | mkswap swapfile | ||
| swapon swapfile | swapon swapfile | ||
| + | swapoff swapfile | ||
| umount /mnt/btrfs | umount /mnt/btrfs | ||
| - | |||
| - | mkdir /.swap | ||
| </code> | </code> | ||
| + | Create mount point: | ||
| + | <code bash>mkdir /.swap</code> | ||
| + | |||
| + | Adapt fstab: | ||
| <file /etc/fstab> | <file /etc/fstab> | ||
| - | UUID=1cf7e34b-8b09-45bd-80ae-f4658b3e0509 /.swap btrfs compress=none,nodatacow,noatime,subvol=@swap | + | UUID=1cf7e34b-8b09-45bd-80ae-f4658b3e0509 /.swap btrfs compress=none,nodatacow,noatime,subvol=@swap |
| + | /.swap/swapfile none swap defaults | ||
| </file> | </file> | ||
| + | ===== add resume in swap file ===== | ||
| + | |||
| + | <file /etc/initramfs-tools/conf.d/resume> | ||
| + | RESUME=/.swap/swapfile | ||
| </file> | </file> | ||
| + | |||
| + | <code bash>update-initramfs -k all -u</code> | ||