On Wed, 4 Feb 2004, Donghui Wen wrote: > Hi, > I am running a server with Linux software-raid (3ware controller). But > from time to time, > a disk is kicked out by md. This will happen when 3ware card reports a > unrecovered read error > for a sector. But when I run raidhotadd, the disk can added back to raid > with no problem. > So my questions are: > (1) Will md kick out one disk if it find out ONE bad block? > (2) Is it possible to set up a threshold, only the amount of bad > blocks pass this threshold, > the disk will be kicked out. > (3) Is it possible to remap the bad blocks to some spare blocks > automatically on the fly? > I am not an expert on this and I am only guessing, so please someone correct me if I say something wrong. The md block device gets an error from the underneath scsi/ide/usb/firewire/ network layer. It does not tell exactly what type of error has occured, the best thing for md to do is to kick out this device. Holger - 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
