On Thu, Dec 10, 2009 at 10:12 AM, Marco Peereboom <[email protected]> wrote: >> So softraid can't detect if the data is written differently to the >> drives? In what sort of cases would one expect the mirror to become >> corrupt? Kernel crash? Hardware crash? Does softraid detect this? What >> failures does it detect? > > I must not be making myself clear. No, softraid can and will not detect > that. Even if you know you only know that the data is bad; there are no > other hints that can be deduced from that knowledge. This can happen > when a drive returns corrupt data for whatever reason, be it hardware > failure or a failed previous write etc.
So in what cases does softraid degrade the mirror then, other than pulling the disk out? How is hardware mirror raid different? Thanks.
