this post was submitted on 14 May 2024
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RAID6, my person. RAID6.
RAID is not a backup.
It is not. But backups are also not RAID.
Yes, obviously.
You need backups. RAID or something similar is only necessary if you need redundancy which is most often not as necessary compared to loosing all your data.
RAID is necessary because drives fail, and sometimes you can't afford, or want, be offline until you can get around to sourcing & installing a new drive, and restoring from backup.
That is what I said.
RAID6 only works if the machine is working fine. If something happens that toasts the whole thing then you're fucked unless you have a backup offsite.
Backups are important, but we were talking about drive failures. Backups help when you screw up the data; RAID6 helps when drives go bad. If you don't trust the hardware, RAID.
Backups only means you're down until you restore; RAID5/6 means you stay up.
Right, but he was talking about the 3 2 1 rule and you recommended RAID6.
But he was responding to someone who was unconfortable with putting all their eggs in one basket. That's not what backups are for.
RAID is not a backup.