Luca Berra wrote: > well, yes and no > a kernel thread could do compare and check parity and also > when we have the support for this in md try to do a write and > see if the disk error correction code can relocate the bad sector. > also a 'dd if=/dev/hda of=/dev/null' would just sit a production > machine, while we could give it a minumum and maximum bandwidth > to use like we do in reconstruction. The 3Ware IDE-Raid controllers have that kind of background scanning functionality if their diskmanager daemon is running. I guess it just sends the controller chip the start scanning command, which then does its job. Would be good if linux md had that too. -- MfG / Regards Friedrich Lobenstock - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
