>>>>> "hpa" == H Peter Anvin <hpa@xxxxxxxxx> writes: hpa> One subdevice accepts it and the other doesn't, presumably. Ah. Well fail the command and let the block layer deal with it. This is really no different from the discard case. -- Martin K. Petersen Oracle Linux Engineering -- 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