Well, here my story, might it be useful to others too.
I have a home server with 6Tb RAID1 (os on dedicated nvme). I was playing with bios update and adding more RAM, and out of the blue after the last reboot my RAID was somehow shutdown unclean and needed a fix. I probably unplugged the power chord too soon while the system was shutting down containers.
Well, no biggie, I just run fsck and mount it, so there it goes: “mkfs.ext4 /dev/md0”
Then hit “y” quickly when it said “the partition contains an ext4 signature blah blah” I was in a hurry so…
Guess what? And read again that command carefully.
Too late, I hit Ctrl+c but already too late. I could recover some of the files but many where corrupted anyway.
Lucky for me, I had been able to recover 85% of everything from my backups (restic+backrest to the rescue!) Recreate the remaining 5% (mostly docker compose files located in the odd non backupped folders) and recovered the last 10% from the old 4Tb I replaced to increase space some time ago. Luckly, that was never changing old personal stuff that I would have regret losing, but didn’t consider critical enough on backup.
The cold shivers I had before i checked my restic backup discovering that I didn’t actually postponed backup of those additional folders…
Today I will add another layer of backup in the form of an external USB drive to store never-changing data like… My ISOs…
This is my backup strategy up to yesterday, I have backrest automating restic:
And since this morning I have added:
Tools like restic and Borg and so critical that you will regret not having had them sooner.
Setup your backups like yesterday. If you didn’t already, do it now.
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How much storage are you using and how much does it cost per month/year?
For 280GB on Glacier : around 1 USD each month For 400GB of hot storage on OVH public cloud : around 5 EUR per month.
In my process I have to sort pictures and video before sending them to cold storage because I don’t want to cold-store all the failed footages, obviously I have some delay here. That is something I usually do during the long winter evenings 😊