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* Expand file system | * Expand file system | ||
* Unmount file system | * Unmount file system | ||
=== Mount options === | |||
The default mount settings chosen by btrfs are really optimal in most cases! There are only a few options to think about. Current and accurate information can also be found at: https://btrfs.readthedocs.io/en/latest/Administration.html | |||
* '',discard'' ('''automatic !)''' | |||
* '',ssd'' ('''automatic !)''' | |||
* '',space_cache'' ('''automatic !)''' | |||
* ''''',compress=zstd:7''''' | |||
Enables automatic and transparent compression in the file system. If compression is enabled, nodatacow and nodatasum are disabled. | |||
Btrfs makes the compression level adjustable, with higher levels trading off speed and memory for higher compression rates. ZLIB accepts the range [1, 9] and ZSTD accepts [1, 15]. Default is 3 each | |||
* ''''',noatime''''' | |||
Under read intensive work-loads, specifying noatime significantly improves performance because no new access time information needs to be written. Without this option, the default is ''relatime''. (This may be combined with ''''',lazytime''''') | |||
= Btrfs options = <!--T:86--> | = Btrfs options = <!--T:86--> |