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btrfs-auto-snapshot

BTRFS Automatic Snapshot Service for Linux

Usage

btrfs-auto-snapshot [foo]

btrfs-auto-snapshot is a Bash script designed to bring as much of the functionality of the wonderful ZFS snapshot tool zfs-auto-snapshot to BTRFS as possible. Designed to run from cron (using /etc/cron.{daily,hourly,weekly}) it automatically creates a snapshot of the specified BTRFS filesystem (or, optionally, all of them) and then automatically purges the oldest snapshots of that type (hourly, daily, et al) based on a user-defined retention policy.

Snapshots are stored in a '.btrfs' directory at the root of the BTRFS filesystem being snapped and are read-only by default.

Requirements

  • GNU Bash (with associative arrays)
  • GNU Coreutils
  • GNU grep
  • GNU awk
  • getopt
  • btrfs-progs
  • (optional) syslog

Bugs

Find a bug? Please create an issue here on GitHub at: https://github.com/hunleyd/btrfs-auto-snapshot/issues

Maintainer

Motiejus Jakštys

Author

Douglas J Hunley

Copyright and license

Copyright 2015 Douglas J Hunley.

Licensed under the GNU GPL License, Version 2.0 (the "License"); you may not use this work except in compliance with the License. You may obtain a copy of the License in the LICENSE file.

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.