What does the 3-2-1 rule look like for you?
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iDrive e2 with duplicati and manually to an external SSD with rscyn every so often.
I was planing on asking a friend to setup a server at their home, but I feel somewhat comfortable with the current solution.
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All my systems are backed up with "rsnapshot" to a file server. File server is backed up to backblaze with duplicacy.
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I use Kopia to B2, then on a monthly basis I copy the current Kopia repo to an external drive that's otherwise kept offline in my house.
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All storage is on a Ceph cluster with 2 or 3 disk/node replication. Files and databases are backed up to S3-compatible storage on the same cluster for versioning. Every night, those S3 buckets are synced and encrypted using rclone to a 10tb Hetzner Storage Box that keeps weekly snapshots.
Bit more than 3 copies, but hdd storage is cheap. Majority of my storage is Jellyfin anyways, which doesn't get backed up to S3 storage.
I'm working on setting up some small nvme nodes for the ceph cluster, which will allow me to move my nextcloud from hdd storage into its own S3 bucket with 4+2 erasure coding (aka raid 6). That will make it much faster and also its cut raw storage usage from 4x to 1.5x usable capacity
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Sometimes: a laughing hyena.
If you don't have tested backups, you don't have a backup.
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Everything backs up to a Synology diskstation (with disk redundancy). The Syno's Hyperbackup makes backups of critical stuff stuff to the cloud weekly. In the case of my self-hosted stuff, it's mostly the share storage where all my docker volumes map to. Also workstation backsups, home assistant backups, phone photos, etc.
A back up of the temporally replaceable stuff (everything not covered above) which is hosted from the Diskstation, is made to an external drive a few times a year and stored off-site the rest of the time. This isn't 3-2-1, but its close enough for my needs.
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I dump data to someone who probably practices 3-2-1 rule after encrypting it (which is Backblaze for me). I mean, these guys back up data for a living.
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I use immich and nextcloud for the clients (my wife and my parents know that I only take care about that data) and on the server side I use borgmatic which has a local repository on the second drive inside my nuc and a remote repository hosted by hetzner called "storage box" which supports borg native.
Yes the remote is out of my physical access, but borg is fully encrypted and for 4$/3.6€/month for 1TB I feel good.
Before I started with borg and hetzner I had a rsync based backup with an odroid hc1 hosted by my parents, but that doesn't feel safe. Due to slow network by my parents I had to sync my local backup instead of a second backup from the real data and the monitoring was also very bad.
From my point of view: You have no backup, if it is not automated and you have no monitoring.
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I rawdog storage. I RAID0 and forget. huehue.
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All my video media that's easier to replace than preserve is on my NAS running openmediavault with mergerfs. If I lose a drive I can always just, you know, torrent the tv show again.
My main PC (everything except the Steam game install directory) is backed up through KopiaUI to a folder on that mergerfs array that contains media that's difficult/impossible to replace. Daily incremental backups.
That folder is mounted on my PC through DOKAN, which tells Windows OS that it's a local resource (it does this more thoroughly than just assigning a drive letter to a NAS folder through Windows' built-in system. The PC, including the "sensitive NAS media" folder is then backed up to Backblaze's personal backup service ($99/yr, unlimited size with one-year versioning). The DOKAN step is required for this, since Backblaze doesn't support mounted NAS drives or non-Windows systems (presumably they don't want to use space on versioned encrypted backups of hundred-terabyte pirate movie collections).
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Same lol. Can’t be that catastrophic. Right? …. Right?
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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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Real selfhosters know
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My main server is backed up via Kopia to a 5 TB Hetzner Storage Box and to a second server at my parents in law‘s place. I‘ve got additional MDisc backups of old photos, Paperless PDFs and work related files that don‘t change at my mother‘s place as well.
My Linux ISO collection is too big to actually back up. So, I regularly create file lists and in the event of data loss, I will have to spend quite some time to rebuild it. At least, my fiber connection will help me with that.
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1 backup on a local, Independence disk.
1 backup on a HDD connected to an OpenWRT router at the other end of the house
1 backup on my remote vps.Restic+backrest
Sftp for remote endpoint
