NAS, what happens if a hard drive fails/breaks (data lost?)?
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Too little info. Please read Wikipedia article about RAID. For example, RAID0 means that if a plate dies, you can start with the data on the other nix. But there are RAID modes with redundancy.
A RAID does not protect against accidental deletion or Software bug. From time to time to backup to external panel which is then completely separated is recommended.
Notification
With me, the data would not be gone, because the NASs are configured accordingly. There’s a way to break it. In addition, I copy the data on the NAS to large external hard drives and a few hundred gigabytes I also saved on a Storage Boxes cloud storage at Hetzner.
To date, I have never had any broken disks (HDD/SSD/NVMe), but I don’t want to bump around in case of damage.
Either you have a NAS with storage media in the RAID (and then you can easily replace the defective disk) or the data is on a backup and can be replayed from there after replacement of the defective storage medium.
Sorry, but this info is wrong. Please read Wikipedia article about RAID. For example, RAID0 means that if a plate dies, you can start with the data on the other nix. But there are RAID modes with redundancy.
Notification
Hello,
On the one hand, a NAS with a RAID connection of at least two hard drives has at best. Then there’s a failure security.
Nevertheless, it is generally true that you should have a backup. For example, I just secured my NAS via external hard drive. I copy the content of my NAS stupid once a month on external hard drives. Better than nothing, but that’s how I have a right backup next to the RAID connection.
Ben
When it comes to Raid 0 the data is gone.
If not, you have the NAS to have a secure backup
A NAS is just not a backup! It is located on separate storage media that are kept somewhere neat and are not accessible all day on the computer or network.
I use my NAS for backup.
A NAS primarily serves to provide data on the network. It can Part a backup concept.
How is/soll/can a NAS be part of a backup concept. But just a part. I secure my stuff on a NAS and on 2 external panels (1 always outside house). And your “accessibility for pests” is unfortunately only a 50/50 thing. You’ve already unnoticed what you’ve captured. And after a recovery, the cookie is back on the hack.
Your problem. It’s not a backup. Because your data for digital pests is as accessible as on the computer itself. So what about the data on it “safe”? Nothing.