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Diffstat (limited to 'sysutils/bup/DESCR')
-rw-r--r-- | sysutils/bup/DESCR | 63 |
1 files changed, 22 insertions, 41 deletions
diff --git a/sysutils/bup/DESCR b/sysutils/bup/DESCR index 5512feb9597..69824b2d487 100644 --- a/sysutils/bup/DESCR +++ b/sysutils/bup/DESCR @@ -1,41 +1,22 @@ -bup is a program that backs things up. bup has a few advantages -over other backup software: - -It uses a rolling checksum algorithm (similar to rsync) to split -large files into chunks. The most useful result of this is you can -backup huge virtual machine (VM) disk images, databases, and XML -files incrementally, even though they're typically all in one huge -file, and not use tons of disk space for multiple versions. - -It uses the packfile format from git (the open source version -control system), so you can access the stored data even if you -don't like bup's user interface. - -Unlike git, it writes packfiles directly (instead of having a -separate garbage collection / repacking stage) so it's fast even -with gratuitously huge amounts of data. bup's improved index formats -also allow you to track far more filenames than git (millions) and -keep track of far more objects (hundreds or thousands of gigabytes). - -Data is "automagically" shared between incremental backups without -having to know which backup is based on which other one - even if -the backups are made from two different computers that don't even -know about each other. You just tell bup to back stuff up, and it -saves only the minimum amount of data needed. - -You can back up directly to a remote bup server, without needing -tons of temporary disk space on the computer being backed up. And -if your backup is interrupted halfway through, the next run will -pick up where you left off. And it's easy to set up a bup server: -just install bup on any machine where you have ssh access. - -Bup can use "par2" redundancy to recover corrupted backups even if -your disk has undetected bad sectors. - -Even when a backup is incremental, you don't have to worry about -restoring the full backup, then each of the incrementals in turn; -an incremental backup acts as if it's a full backup, it just takes -less disk space. - -You can mount your bup repository as a FUSE filesystem and access -the content that way, and even export it over Samba. +bup is a program that backs things up. bup has a few advantages over other +backup software: + +It uses a rolling checksum algorithm (similar to rsync) to split large files +into chunks. The most useful result of this is you can backup huge virtual +machine (VM) disk images, databases, and XML files incrementally, even though +they're typically all in one huge file, and not use tons of disk space for +multiple versions. + +It uses the packfile format from git (the open source version control system), +so you can access the stored data even if you don't like bup's user interface. + +Unlike git, it writes packfiles directly (instead of having a separate garbage +collection/repacking stage) so it's fast even with gratuitously huge amounts of +data. bup's improved index formats also allow you to track far more filenames +than git (millions) and keep track of far more objects (hundreds or thousands of +gigabytes). + +Data is "automagically" shared between incremental backups without having to +know which backup is based on which other one - even if the backups are made +from two different computers that don't even know about each other. You just +tell bup to back stuff up, and it saves only the minimum amount of data needed. |