Date: Wed, 22 Sep 2021 18:21:57 +0300 From: =?UTF-8?Q?Ionu=C8=9B_Mihalache?= <ionut.mihalache1506@gmail.com> To: freebsd-virtualization@freebsd.org Subject: bhyve checkpoint with libzfs Message-ID: <CAOxbktaRX84h17boC6yfrHdt5fR0F93w-1f7Wt-YvzKAvAmsBw@mail.gmail.com>
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Hi, everyone, In the last year, I worked on bringing improvements for the snapshot/checkpoint functionality for bhyve. Because bhyve doesn't yet have a checkpoint mechanism, the last months of my work focused on finding a way to use ZFS functionalities available through libzfs. I managed to implement a daemon that, together with bhyve, and based on ZFS snapshots and ZFS clones, provides a simple checkpoint mechanism for the basic checkpoint operations existent in other hypervisors: CREATE, ROLLBACK and DELETE. The link from [1] presents a tutorial on how to setup everything for using the bhyve checkpoint mechanism based on ZFS. Moreover, you can find at [1] a demo (video) of the ZFS checkpoint functionality. We would like to get your opinion on the proposed checkpoint mechanism and gather as much feedback as possible. Based on the feedback the project can continue with bringing more functionalities and improving the existing ones. Feel free to share your thoughts on the idea. [1] https://github.com/FreeBSD-UPB/freebsd-src/wiki/Checkpoint-for-bhyve-using-zfs-snapshots-and-clones Thank you.
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