Re: md raid behavior, bad sector uncorrectable read error

On Sun, 19 Aug 2012 12:12:38 -0600 Chris Murphy [off-list ref]
wrote:

On Aug 19, 2012, at 3:47 AM, Mikael Abrahamsson wrote:

quoted

If I remember correctly from what has been described here before, a read error will cause a re-write with information created from parity

That's the thing I'd like to get a definitive answer one. If only it were easy to simulate bad sectors in VM's I could just test it!

If only it were easy to read the documentation, and if only the documentation
were sufficiently complete.....

% man 4 md

search for 'read error'

NeilBrown