third-party-mirrors/zfs_autobackup
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Edwin Eefting 2019-02-03 20:38:26 +01:00
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README.md
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@ -6,8 +6,8 @@ Introduction
ZFS autobackup is used to periodicly backup ZFS filesystems to other locations. This is done using the very effcient zfs send and receive commands. ZFS autobackup is used to periodicly backup ZFS filesystems to other locations. This is done using the very effcient zfs send and receive commands.
It has the following features: It has the following features:
* Automaticly selects filesystems to backup by looking at a simple ZFS property. * Automaticly selects filesystems to backup by looking at a simple ZFS property. (recursive)
* Creates consistent snapshots. * Creates consistent snapshots. (takes all snapshots at once, atomic.)
* Multiple backups modes: * Multiple backups modes:
* "push" local data to a backup-server via SSH. * "push" local data to a backup-server via SSH.
* "pull" remote data from a server via SSH and backup it locally. * "pull" remote data from a server via SSH and backup it locally.
@ -23,6 +23,7 @@ It has the following features:
* Easy installation: * Easy installation:
* Only one host needs the zfs_autobackup script. The other host just needs ssh and the zfs command. * Only one host needs the zfs_autobackup script. The other host just needs ssh and the zfs command.
* Written in python and uses zfs-commands, no 3rd party dependencys or libraries. * Written in python and uses zfs-commands, no 3rd party dependencys or libraries.
* No seperate config files or properties. Just one command you can copy/paste in your backup script.
Usage Usage
==== ====
@ -173,14 +174,14 @@ Tips
Troubleshooting Troubleshooting
---------------- ----------------
`cannot receive incremental stream: invalid backup stream` `cannot receive incremental stream: invalid backup stream`
This usually means you've created a new snapshot on the target side during a backup. This usually means you've created a new snapshot on the target side during a backup.
* Solution 1: Restart zfs_autobackup and make sure you dont use --resume. If you did use --resume, be sure to "abort" the recveive on the target side with zfs recv -A. * Solution 1: Restart zfs_autobackup and make sure you dont use --resume. If you did use --resume, be sure to "abort" the recveive on the target side with zfs recv -A.
* Solution 2: Destroy the newly created snapshot and restart zfs_autobackup. * Solution 2: Destroy the newly created snapshot and restart zfs_autobackup.
`internal error: Invalid argument` `internal error: Invalid argument`
In some cases (Linux -> FreeBSD) this means certain properties are not fully supported on the target system. In some cases (Linux -> FreeBSD) this means certain properties are not fully supported on the target system.

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zfs_autobackup
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#!/usr/bin/env python2 #!/usr/bin/env python2
# -*- coding: utf8 -*- # -*- coding: utf8 -*-
from __future__ import print_function from __future__ import print_function
import os import os
import sys import sys