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Forum Discussion
How much Redundancy for safety?
My ran into "Corrupt root" issue with my ReadyNAS. I have 2 x 2TB disk in X-RAID2. I am praying that I do not lose any data due to this. Does it make sense to also have a online cloud backup? If...
Hi Pete,
A "Corrupt root" is usually a minor issue with the OS and the not data. So, you are probably fine here.
What is RAID for? Redundancy. If a disk fails, you can survive without data-loss. Remember that this is not the same a backup!! :)
You should ALWAYS have backups as well. In the cloud, on USB disks, whatever. Just make sure you have up-to-date backups. Your data should always exist on multiple devices - preferably in multiple locations.
Many people mistake RAIDs for backups, but a RAID won't cover you in these scenarios (amoung many):
- Housefire
- Flooding
- Thief steals the NAS
- Corruption of the file system on the NAS
- Accidental deletion of files
- Power surge after a thunderstorm, that then kills your disks
- etc, etc, etc.
A RAID is only for redundancy (and performance when talking higher level storage solutions). That is it.
Contact support. They should be able to sort that "Corrupt root" for you. And please do backups :)
Cheers
Hopchen wrote:
What is RAID for? Redundancy.
I suspect we are on the same page, but I do want to comment.
From my perspective it's better to view RAID as providing more availability. That is, your data remains accessible to you while you are dealing a single disk failure.
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