ZFS focus on Ubuntu 20.04 LTS: ZSys properties on ZFS datasets We are almost done in our long journey presenting our ZFS work on Ubuntu 20.04 LTS. The last piece to highlight is how we annotate datasets with some user properties to store metadata needed on boot and on state revert. As we stated on our ZSys presentation article, one of the main principles is to avoid using a dedicated database which can quickly go out of sync with the real system: we store - and thus, rely - only on ZFS properties that are set on the datasets themselves.

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