I have a 4k sector size drive claiming to be a 512 sector size drive. Is there a way to tell MD to never write less than 4k at a time? >From block dump: md0_raid1(9007): WRITE block 8 on sdd1 (2 sectors) happens frequently and probably requires a full revolution of the disk unnecessarily. -- 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