Thank you tranxene50, I've installed openvz-diff-backups on my ovz-7 hosts, and so far it looks very promising.
Jake On Tue, Sep 8, 2020 at 4:05 PM tranxene50 <tranxen...@openvz-diff-backups.fr> wrote: > Hello! > > Please forgive my bad English, I live in France. > > A few years ago, as a hobby in the beginning, I created a file based > "incremental" backup tool (that heavily relies on rsync) : > https://www.openvz-diff-backups.fr > > It works flawlessly with OpenVZ 6 but only have been rapidly tested with > OpenVZ 7. > > The main difference between OpenVZ 6 and 7 is that memory dump > (checkpoint) is now done using CRIU instead of OpenVZ "Legacy" kernel. > > But, globally, the process is still the same: create a ploop snapshot, > mount it, sync it (with rsync) and then create a "diff" backup (using > rsync again with --link-dest). > > As far as I know, this is one of the rarest GPL tools (any hint > appreciated!) able to backup/restore CT files and, most importantly, > full memory state. > > Restoring a "live" backup is like resuming an OS (Windows, Linux, MacOS, > etc) after it had been put to sleep: the container will resume and works > again, just like nothing had happen. > > So you can cheat and pretend 100% uptime even if a container was down > most of the time... (evidently this a joke and, please, do not play at > this game: /var/log/* will betray you) > > Note: to migrate CT between OpenVZ 6 and 7, you must use "cold" backups > because memory dumps are incompatible (OpenVZ Kernel vs CRIU). > > To answer your questions: > > 1) you can restore any previous backup because each one is considered as > a full backup (no diff/incremental computing: it is just > files/directories/other - and hard links) > > 2) because backups are just a bunch of files (and mostly hard links), > you can easily browse any backup of a CT and copy any files/directories > needed > > At the moment, development of openvz-diff-backups is on pause - because > it fulfills all my needs with OpenVZ 6 - but I am in the process of > moving to OpenVZ 7 in a few months. > > So, if you encounter a bug or an issue, please leave me a message: the > tool has a very conservative approach and is designed to cleanly stop if > anything unexpected/unknown/abnormal happens. > > Have a nice day! > > Le 08/09/2020 à 14:24, mailingl...@tikklik.nl a écrit : > > Hello, > > > > Using openvz7 > > Im looking ad my backup strategy > > I allways used rsync on openvz6 > > And looks like on openvz7 this can also be done on /vz/root/VEID > > But i dont know if i can do a full restore from that... > > > > > > Now im looking at snapshots > > https://github.com/TamCore/vzpbackup > > it can make full backups and incremental backups > > > > Is someone using this script? > > i have some question hope someone can help > > > > the incremental backups are nice to save space and time on a remote > > backupserver > > But how does a restore works. > > For what i know you can only restore a full snapshot, the incremental > > backups have only the changed files > > > > Question 2. > > Is it possible to extract a file from the backup for a single file > restore? > > And if so can someone tell me how? > > > > > > Thanxs > > Steffan > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > Users mailing list > > Users@openvz.org > > https://lists.openvz.org/mailman/listinfo/users > > -- > tranxene50 > tranxen...@openvz-diff-backups.fr > > _______________________________________________ > Users mailing list > Users@openvz.org > https://lists.openvz.org/mailman/listinfo/users >
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