mirror of https://gitee.com/openkylin/linux.git
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
BTRFS
|
|
=====
|
|
|
|
Btrfs is a copy on write filesystem for Linux aimed at implementing advanced
|
|
features while focusing on fault tolerance, repair and easy administration.
|
|
Jointly developed by several companies, licensed under the GPL and open for
|
|
contribution from anyone.
|
|
|
|
The main Btrfs features include:
|
|
|
|
* Extent based file storage (2^64 max file size)
|
|
* Space efficient packing of small files
|
|
* Space efficient indexed directories
|
|
* Dynamic inode allocation
|
|
* Writable snapshots
|
|
* Subvolumes (separate internal filesystem roots)
|
|
* Object level mirroring and striping
|
|
* Checksums on data and metadata (multiple algorithms available)
|
|
* Compression
|
|
* Integrated multiple device support, with several raid algorithms
|
|
* Offline filesystem check
|
|
* Efficient incremental backup and FS mirroring
|
|
* Online filesystem defragmentation
|
|
|
|
For more information please refer to the wiki
|
|
|
|
https://btrfs.wiki.kernel.org
|
|
|
|
that maintains information about administration tasks, frequently asked
|
|
questions, use cases, mount options, comprehensible changelogs, features,
|
|
manual pages, source code repositories, contacts etc.
|