SandeepKsinha wrote: >>> >> RAID 4 is really nothing but a block layout algorithm for RAID 5 (which >> has four more block layout algorithms.) RAID 6 contains all five under >> one "level". >> > RAID 4 vs RAID 5 > Actually debatable. They have their own pros and cons and especially > where you don't consider the physical properties of disk. > Addition of new disk, differences in speed of disks, etc.. create > bottlenecks especially in case of RAID5. > > Except hot spot issue with RAID 4, I find it better than all others. > Also, most of the proprietary solutions from IBM, Adaptec and NetApp > suggest RAID4 as compared to others. > > No offenses please, this is just an opinion. > I was talking referring to how the implementation works. However, it is still nothing but a layout policy for the same data, even though it may have quite different performance attributes. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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
