I think the overhead related to fixing the bad blocks would be insignificant compared to the overhead of degraded mode. Guy -----Original Message----- From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid-owner@xxxxxxxxxxxxxxx] On Behalf Of Molle Bestefich Sent: Tuesday, March 01, 2005 10:51 PM To: linux-raid@xxxxxxxxxxxxxxx Subject: Re: Joys of spare disks! Robin Bowes wrote: > I envisage something like: > > md attempts read > one disk/partition fails with a bad block > md re-calculates correct data from other disks > md writes correct data to "bad" disk > - disk will re-locate the bad block Probably not that simple, since some times multiple blocks will go bad, and you wouldn't want the entire system to come to a screeching halt whenever that happens. A more consistent and risk-free way of doing it would probably be to do the above partial resync in a background thread or so?.. - 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 - 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
