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c854a990 ES |
1 | BTRFS |
2 | ===== | |
709ac06a | 3 | |
6788f5ca DS |
4 | Btrfs is a copy on write filesystem for Linux aimed at implementing advanced |
5 | features while focusing on fault tolerance, repair and easy administration. | |
6 | Jointly developed by several companies, licensed under the GPL and open for | |
7 | contribution from anyone. | |
709ac06a DW |
8 | |
9 | The main Btrfs features include: | |
10 | ||
11 | * Extent based file storage (2^64 max file size) | |
12 | * Space efficient packing of small files | |
13 | * Space efficient indexed directories | |
14 | * Dynamic inode allocation | |
15 | * Writable snapshots | |
16 | * Subvolumes (separate internal filesystem roots) | |
17 | * Object level mirroring and striping | |
18 | * Checksums on data and metadata (multiple algorithms available) | |
19 | * Compression | |
20 | * Integrated multiple device support, with several raid algorithms | |
6788f5ca DS |
21 | * Offline filesystem check |
22 | * Efficient incremental backup and FS mirroring | |
709ac06a DW |
23 | * Online filesystem defragmentation |
24 | ||
6788f5ca | 25 | For more information please refer to the wiki |
709ac06a | 26 | |
6788f5ca | 27 | https://btrfs.wiki.kernel.org |
709ac06a | 28 | |
6788f5ca DS |
29 | that maintains information about administration tasks, frequently asked |
30 | questions, use cases, mount options, comprehensible changelogs, features, | |
31 | manual pages, source code repositories, contacts etc. |