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What does the 3-2-1 rule look like for you? (lemm.ee)

submitted 3 days ago by [email protected] to c/selfhosted

54 comments fedilink hide all child comments

I'm trying to plan a better backup solution for my home server. Right now I'm using Duplicati to back up my 3 external drives, but the backup is staying on-site and on the same kind of media as the original. So, what does your backup setup and workflow look like? Discs at a friend's house? Cloud backup at a commercial provider? Magnetic tape in an underground bunker?

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[–] [email protected] 1 points 3 days ago

Daily incremental (and occasionally full) backup to an external HDD - a full image of my PCs, so that I should be able to restore anything back to what it was in the last ~14 days, assuming no ransomware or fire or...
All the data I care about gets synced to my Nextcloud (VPS, not home lab) - somewhat ransomware protected as I could restore VPS backups independently from my PC.
Most precious data (mostly photos) gets backed up regularly to an encrypted zip file and then gets send to a glacier tier S3 bucket. Some manual retention is done on the zip file level, so that I can get a tad older backup restored.
At least monthly a full backup image of my PCs is created on a separate external HDD which is not stored at home, but in a place I could access 24/7 if I really needed to restore something fast.

Phones, etc? Just sync to the mentioned Nextcloud, PC downloads from there and everything gets then into the aforementioned backups.

Homeserver? See "PC" above. With the caveat that some VMs/containers are not in the backup cycle, as they do not store any valuable data besides temp files, etc. For these, only things like docker compose files, custom config, ansible playbooks,... are in my backup.

[–] [email protected] 1 points 3 days ago (3 children)

3 backups:

phone data is synced to a nvme drive (1) which holds all the data of my homelab
This nvme is backed up to a nvme (2) drive on the same device via backrest
The nvme is also synced via Diplicati to a cloud storage provider (3)

2 locations: home and cloud

1... what was 1 again?

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[–] [email protected] 1 points 3 days ago

NAS (42tb RAID5), 2x 18tb spinning drives, 5tb SSD as daily driver, proton drive for critical stuff (2tb).

Not exactly 3-2-1 but it covers the same roughly

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