Help, my disk array has one dead member

[Xen]

Karl Auer schreef op 24-03-2017 4:02:

> If you go for RAID5, be aware that it is fairly slow to write. Very
> safe though, and good error recovery. RAID6 is even safer, and should
> be considered once you start to get much over 5 or 6 terabytes, because
> the error rates even on modern drives start to make bit errors pretty
> much inevitable.

Normally sectors on drives (both 512 and 4k) are prefixed with error 
correction codes, aren't they?

That's the reason 4k is more efficient than 512.

How common is bit corruption during file transfer on say a regular hard 
disk?

Regards.