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88 lines
3.2 KiB
ReStructuredText
88 lines
3.2 KiB
ReStructuredText
.. include:: global.rst.inc
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.. _quickstart-toc:
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***********************
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Quick Start by Use Case
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***********************
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The goal of this quick-start guide is to give you an impression of how zrepl can accomodate your use case.
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Install zrepl
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=============
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Follow the :ref:`OS-specific installation instructions <installation_toc>` and come back here.
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Overview Of How zrepl Works
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============================
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Check out the :ref:`overview section <job-overview>` to get a rough idea of what you are going to configure in the next step, then come back here.
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Configuration Examples
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======================
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zrepl is configured through a YAML configuration file in ``/etc/zrepl/zrepl.yml``.
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We have prepared example use cases that show-case typical deployments and different functionality of zrepl.
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We encourage you to read through all of the examples to get an idea of what zrepl has to offer, and how you can mix-and-match configurations for your use case.
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Keep the :ref:`full config documentation <configuration_toc>` handy if a config snippet is unclear.
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**Example Use Cases**
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.. toctree::
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:titlesonly:
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quickstart/continuous_server_backup
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quickstart/backup_to_external_disk
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Use ``zrepl configcheck`` to validate your configuration.
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No output indicates that everything is fine.
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.. NOTE::
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Please open an issue on GitHub if your use case for zrepl is significantly different from those listed above.
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Or even better, write it up in the same style as above and open a PR!
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.. _quickstart-apply-config:
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Apply Configuration Changes
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===========================
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We hope that you have found a configuration that fits your use case.
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Use ``zrepl configcheck`` once again to make sure the config is correct (output indicates that everything is fine).
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Then restart the zrepl daemon on all systems involved in the replication, likely using ``service zrepl restart`` or ``systemctl restart zrepl``.
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Watch it Work
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=============
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Run ``zrepl status`` on the active side of the replication setup to monitor snaphotting, replication and pruning activity.
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To re-trigger replication (snapshots are separate!), use ``zrepl signal wakeup JOBNAME``.
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(refer to the example use case document if you are uncertain which job you want to wake up).
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You can also use basic UNIX tools to inspect see what's going on.
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If you like tmux, here is a handy script that works on FreeBSD: ::
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pkg install gnu-watch tmux
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tmux new -s zrepl -d
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tmux split-window -t zrepl "tail -f /var/log/messages"
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tmux split-window -t zrepl "gnu-watch 'zfs list -t snapshot -o name,creation -s creation'"
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tmux split-window -t zrepl "zrepl status"
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tmux select-layout -t zrepl tiled
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tmux attach -t zrepl
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The Linux equivalent might look like this: ::
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# make sure tmux is installed & let's assume you use systemd + journald
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tmux new -s zrepl -d
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tmux split-window -t zrepl "journalctl -f -u zrepl.service"
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tmux split-window -t zrepl "watch 'zfs list -t snapshot -o name,creation -s creation'"
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tmux split-window -t zrepl "zrepl status"
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tmux select-layout -t zrepl tiled
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tmux attach -t zrepl
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What Next?
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==========
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* Read more about :ref:`configuration format, options & job types <configuration_toc>`
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* Configure :ref:`logging <logging>` \& :ref:`monitoring <monitoring>`.
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