On Wednesday August 15, maccetta@xxxxxxxxxxxxxxxxxx wrote: > > There are already files like /sys/block/md_d0/md/dev-sdb/errors in /sys > which would be very convenient to consult but according to the kernel > driver implementation the error counts reported there are apparently > for corrected errors and not relevant for read errors during a "check" > operation. > When 'check' hits a read error, an attempt is made to 'correct' it by over-writing with correct data. This will either increase the 'errors' count or fail the drive completely. What 'check' doesn't do (and 'repair' does) it react when it find that successful reads of all drives (in a raid1) do not match. So just use the 'errors' number - it is exactly what you want. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
