- In fstab make sure pass, the last column of a line, is set to 0 since btrfs does not do a file system check at mount.
To copy files using Copy-On-Write add the
$ cp --reflink=always <source> <dest>
Recomended mount options:
- Recommended mount options:
- Until SATA version 3.1, TRIM was not asynchronous, so it is better to not use the discard mount option. systemd has a solution for this, fstrim.timer. It will discard unused blocks once a week.
systemctl enable fstrim.timerto enable it. To check the version of SATA in use for your device, run
# smartctl --info <device>. Also, fstrim is suggested to only be ran once per week.