On 2015-05-28 17:41, jdd wrote:
I mean that I want to be able to access any partition alone if one of the drive fails (without changing the failing disk) and to revert to standard system if necessary.
Members of a software raid 1 (mirror) can be mounted separately, without raid. At least manually. I did that once. The system may complain on boot if it can not mount the raid. But of course, a raid with one disk off also mounts, that's what it is designed for.
(I can also make an hourly rsync crom job if raid is overkill)
Actually, IMO, an rsync job is safer than raid, it covers more failure modes, but not as fast. Like deleting a file by mistake, or a filesystem corruption. -- Cheers / Saludos, Carlos E. R. (from 13.1 x86_64 "Bottle" at Telcontar)