Sanoid and syncoid are policy-driven snapshot management and replication tools, designed for ZFS. When correctly implemented, these tools can help make your system functionally immortal.

Sanoid allows you to define policies which will automate ZFS snapshot management. Sanoid is configured using a config file, usually located at /etc/sanoid/sanoid.conf.

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Syncoid is a utility for replicating ZFS datasets. Configured via CLI at runtime, Syncoid can replicate your Sanoid snapshots to another local or remote machine, protecting you from mass hardware failure.

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Findoid is a utility for finding changes to a given file over all available snapshots. Calling findoid with a filepath as a parameter will show you when a file has changed, its size, and the snapshot said change belongs to.

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