Selfhosted

59999 readers

663 users here now

A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

Rules:

Be civil: we're here to support and learn from one another. Insults won't be tolerated. Flame wars are frowned upon.
No spam.
Posts here are to be centered around self-hosting. Please ensure it is clear in your post how it relates to self-hosting.
Don't duplicate the full text of your blog or git here. Just post the link for folks to click.
Submission headline should match the article title.
No trolling.

Resources:

selfh.st Newsletter and index of selfhosted software and apps
awesome-selfhosted software
awesome-sysadmin resources
Self-Hosted Podcast from Jupiter Broadcasting

Any issues on the community? Report it using the report flag.

Questions? DM the mods!

founded 3 years ago

MODERATORS

curbstickle@anarchist.nexus

curbstickle_lw@lemmy.world

161

How do you effectively backup your high capacity (20+ TB) local NAS? (lemmy.world)

submitted 3 months ago* (last edited 3 months ago) by NekoKoneko@lemmy.world to c/selfhosted@lemmy.world

120 comments fedilink hide all child comments

I have a 56 TB local Unraid NAS that is parity protected against single drive failure, and while I think a single drive failing and being parity recovered covers data loss 95% of the time, I'm always concerned about two drives failing or a site-/system-wide disaster that takes out the whole NAS.

For other larger local hosters who are smarter and more prepared, what do you do? Do you sync it off site? How do you deal with cost and bandwidth needs if so? What other backup strategies do you use?

(Sorry if this standard scenario has been discussed - searching didn't turn up anything.)

you are viewing a single comment's thread
view the rest of the comments

[–] Sibbo@sopuli.xyz 38 points 3 months ago (2 children)

If you can't remember what you lost, did you really need it to begin with?

Unless it's personal memories of course.

[–] Onomatopoeia@lemmy.cafe 15 points 3 months ago* (last edited 3 months ago) (5 children)

I can't remember the name of an excel spreadsheet I created years ago, which has continually matured with lots of changes. I often have to search for it of the many I have for different purposes.

Trusting your memory is a naive, amateur approach.

[–] ExcessShiv@lemmy.dbzer0.com 11 points 3 months ago

The key here being that you actually remember the file exists, because it's important. Some other random spreadsheet you don't even remember exists because you haven't needed it since forever is probably not all that important to backup.

If you loose something without ever realizing you lost it, it was not important so there would be no reason to make a backup.

[–] a_non_monotonic_function@lemmy.world 9 points 3 months ago

If the spreadsheet is important it sounds like it would be part of the 4 GB that was backed up.

[–] three@lemmy.zip 3 points 3 months ago

Psst, you missed the point and need to re-read the thread.

[–] frongt@lemmy.zip 3 points 3 months ago

So you do remember that you have several frequently-used spreadsheets.

[–] cenzorrll@piefed.ca 2 points 3 months ago

You put that with everything else similar into a folder, which is backed up. Mine is called "Files". If there's something in there that I don't need backed up. It still gets backed up. If there's something very large in there that I don't need backed up, it gets removed in one of my "oh shit these backups are huge" purges.

[–] NekoKoneko@lemmy.world 4 points 3 months ago

For me, I have a bad memory. I might remember a childhood movie (a nickname I give to special Linux ISOs) that I hadn't even thought of for 10 years and track down a copy, sometimes excavating obscure sources, and that may be hours of one-time inspiration and work repeated many times over. Having a complete list is a good helper, but a full backup of course is best.