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bup - Very efficient backup system based on the git packfile format
- Description:
Very efficient backup system based on the git packfile format,
providing fast incremental saves and global deduplication (among and
within files, including virtual machine images). Some of its features
are:
* It uses a rolling checksum algorithm and hence it can backup huge
files incrementally.
* It uses packfile format from git, so one can access the stored data
even if he doesn't like bup's user interface.
* It writes packfiles directly so it is fast even with huge amounts
of data:
it can track millions of files and keep track of hundreds or
thousands of gigabytes of objects.
* Data is "automagically" shared between incremental backups without
having to know which backup is based on which other one.
* One can make a backup directly to a remote bup server, without
needing tons of temporary disk space on the computer being backed
up. If the backup is interrupted halfway through, the next run will
pick up where the previous backup left off.
* It can use "par2" redundancy to recover corrupted backups even if
the disk has undetected bad sectors.
* Each incremental backup acts as if it's a full backup, it just
takes less disk space.
* One can mount a bup repository as a FUSE filesystem and access the
contents that way, or even export it over Samba.
Packages