this post was submitted on 01 Jul 2024
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submitted 4 months ago* (last edited 4 months ago) by gpstarman to c/linuxmint@lemmy.ml
 

Can I delete previous backups, without affecting following backups, Since TimeShift (RSync) make increamental backups.

i'm picasso.

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[–] neidu2@feddit.nl 4 points 4 months ago* (last edited 4 months ago) (2 children)

A+ for superior graphics work.

Yes. Intuition told me no due to the nature of rsync, but I tested it, with no ill effects.

Either the individual backup are independent of each other (during restore, the diff is only based on this backup vs originals), or diffs are merged into dependants upon deleting a dependency.

[–] Shadow@lemmy.ca 3 points 4 months ago (1 children)

I don't know this tool, but it's probably using hard links on the filesystem. Deleting any individual instance of the file won't delete it until they are all deleted

[–] gpstarman 1 points 4 months ago

So, lets say i have 5 backups.

If I delete 3rd backup leaving others, others should be fine?

But what If I deleted the very first one?

[–] gpstarman 2 points 4 months ago* (last edited 4 months ago) (1 children)

Either the individual backup are independent of each other (during restore, the diff is only based on this backup vs originals), or diffs are merged into dependants.

Are you saying that manual backups are individual and instead of creating links from original backup, it backs up everything since its manual?

New to Linux man, I don't even know how Rsync works yet, I just know that it creates Increamental Backups. So can you be noob friendly in words please? cause I don't understand this 👇

(during restore, the diff is only based on this backup vs originals), or diffs are merged into dependants.

during restore

You mean During Backup?

[–] neidu2@feddit.nl 2 points 4 months ago (1 children)

What I mean is that I think each backup is (probably) independent of each other.

A diff is shorthand for difference, as well as an old tool that hilights the differences between files. It was commonly used in patching once upon a time. I'm not sure if rsync implements diff directly, but what can be said for sure is that rsync at least implements s8milar behavior.

[–] gpstarman 1 points 4 months ago