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Question about backup (derpzilla.net)

submitted 1 year ago by Kwa@derpzilla.net to c/selfhosted@lemmy.world

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Hey guys,

I would like to setup some backups.

I have a raspberry at home and 2 VPS’s. I’m trying to setup borgmatic on my raspberry to back it up and the 2 VPS’s but I’m not sure this can be done.

Right now I’m looking to back up the raspberry and use rclone to mount one of the VPS and back it up. The issue is with the second VPS, it has MariaDB running and I can’t see how to back it up remotely (the port is not exposed publicly). I don’t find anything about tunneling in borgmatic. Am I forced to install borgmatic on the VPS to back it up? If I do this, how can I merge the back up with the other ones?

Actually should I do this or have 3 separate borg repositories?

Lastly, my raspberry uses rclone to push to S3 and I don’t want the keys to be accessible on the VPS’s, that’s why I’m trying to have borgmatic only on my raspberry.

Thanks for your help!

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[–] ErwinLottemann@feddit.de 3 points 1 year ago* (last edited 1 year ago) (1 children)

Personally I would create one borg repo for every server I backup. But I also use borgbase, which encourages that by default.

About the backup of the datase - use mysqldump and store that. You can also do it like this:

mysqldump [...] | borg create [...] -

The - tells borg to use stdin as the content you want to store.

Lastly there is a pull mode in borg, that way you could run one script on one host to backup all your servers. You would need to run mysqldump over ssh then.

Edit:

You can use one repo for all servers, make sure to use prefixes, so that you can use --glob-archives with borg prune, if not you might get old backups cleaned out that you want to keep.

[–] Kwa@derpzilla.net 3 points 1 year ago

Thanks pull mode is exactly what I was looking for!