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== snapshot ==
원본 subvolume의 내용을 갖고 있는 subvolume이다.
== command ==
=== filesystem ===
==== show ====
파일시스템 리스트
$ sudo btrfs filesystem show
==== resize ====
# btrfs filesystem resize [devid:][+/-]<newsize>[kKmMgGtTpPeE]|[devid:]max <path>
Resize a filesystem. Resize a mounted filesystem identified by ''path''. A particular device can be resized by specifying a ''devid''.
If ''max'' is passed, the filesystem will occupy all available space on the device respecting ''devid'' (remember, devid 1 by default).
=== subvolume ===
==== list ====
# btrfs subvolume list [options] <path>
$ sudo btrfs subvolume list /home
List subvolumes and snapshots in the filesystem.
==== usage ====
# btrfs filesystem usage [options] <path> [<path>..]
$ sudo btrfs filesystem usage /home
Show detailed information about internal filesystem usage .
==== show ====
# btrfs subvolume show [options] <path>
Show more information about the subvolume (UUIDs, generations, times, snapshots)
== 마운트 ==