On Mon, 14 May 2012 18:22:25 +0800 "kedacomkernel" <kedacomkernel@xxxxxxxxx> wrote: > Hi all: > In order to test md code, sometime we need simulate read/write harddisk error. > Using hdparm --make-bad-sector to simulate read error.But I did not find way of simulating write-error. > I tested md-faulty module, it can do this.But it is not provide the function link hdparm --make-bad-sector,which did not set lba. > Using hdpamr --make-bad-sector to simulate read error can cause some problem. > It will cause ata commnd reset,disk reset and so on.It take too log time. > So I think add a function in md-faulty which can set read/write lba. > How about ? I don't know how --make-bad-sector works so it might not be possible to get md to respond to the same command. But if it can work it sounds like a good idea. Patches welcome. NeilBrown > > -------------- > kedacomkernel > 2012-05-14 > > -- > 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
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