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You just finished setting up all your services and it works fine - how do you now prepare for eventual drive failure? (kbin.social)

submitted 1 year ago by [email protected] to c/selfhosted

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I know that for data storage the best bet is a NAS and RAID1 or something in that vein, but what about all the docker containers you are running, carefully configured services on your rpi, installed *arr services on your PC, etc.?

Do you have a simple way to automate backups and re-installs of these as well or are you just resigned to having to eventually reconfigure them all when the SD card fails, your OS needs a reinstall or the disk dies?

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[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

Routine backups of the VM's and raid disk for the hypervisor running them. If the box hosting the backups went screwy there's a problem but with something like 20TB of space used copies off-box are a bit cumbersome. To that end I just manually copy the irreplaceable stuff to a separate external storage and wish the movies and stuff good luck.

It ends up with a situation though where I'd have to lose both the disks on the hypervisor and if that happened several disks on the NAS (12 disks in a ZFS pool with each vdev being a mirror pair) or for the whole pool to get screwed up to lose the VMs fully. Depending on the day I might lose up to a week of VM state though since they only do a full copy once a week.