Ming Zhang wrote: > Hi folks > > I have a raid0 on top of 2 sata disk sda and sdb. after i hot unplug > sda, the raid0 still shows online and active. run dd to write to it will > fail and dmesg shows scsi io error. but /proc/mdstat shows everything is > ok. Since raid0 isn't relly raid (as Redundrand) and can't really do anything with IO errors on component devices, this behaviour (returning IO errors to the application) is the only sane way to go. It should not fail just like when your disk drive has a bad sector on it, the whole partition (or whole disk) with that bad sector isn't "marked as failed". So what you see is exactly correct behaviour, in my opinion anyway. /mjt - 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
