hello,everyone.i am a freshman in linux raid. i want to know some limits about raid,i try to find it in Raid-Howto and Raid-FAQ,etc.. but i cann't find it. Follow is my question: 1.Raid 0,1,5 must install in differ disk?right? RAID-0 and RAID-1 need at lest 2 disk RAID-5 need at lest 3 disk,is it right? then is there any requrement about the partition Type(such as primary,logical or extend partition )? 2.can i setup raid0,1,5 in the partition which has different size? such as: /dev/hda1 500M /dev/hdc1 600M can i setup raid-0 or raid-1?i try it,but failed. 3.how can I remove raid from disk? such as,i have md0(RAID 0),it use /dev/hda2 and /dev/hdc2 now i want to these partitions don't use raid,i want to release these partition then how can I do? thanks a lot. Regards, echo - 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