svn-fast-backup (1)

svn-fast-backup [-q] [-k{N|all}] [-f] [-t] [-s] repos_path backup_dir

svn-fast-backup uses rsync snapshots for very fast backup of a Subversion fsfs repository at repos_path to backup_dir/repos-rev, the latest revision number in the repository. Multiple fsfs backups share data via hardlinks, so old backups are almost free, since a newer revision of a repository is almost a complete superset of an older revision.

This is good for replacing incremental log-dump+restore-style backups because it is just as space-conserving and even faster; there is no inter-backup state (old backups are essentially caches); each backup directory is self-contained. It has the same command-line interface as svn-hot-backup(1) (if you use --force), but only works for fsfs repositories.

svn-fast-backup keeps 64 backups by default and deletes backups older than these; this can be adjusted with the -k option.

-h, --help

Shows some brief help text.

-q, --quiet

Quieter-than-usual operation.

-k, --keep=N

Keep a specified number of backups; the default is to keep 64.

-k, --keep=all

Do not delete any old backups at all.

-f, --force

Make a new backup even if one with the current revision exists.

-t, --trace

Show actions.

-s, --simulate

Don't perform actions.

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