RAID 1: Mirroring Optionally, let disk heads be out of sync to improve read seek time and allow parallel small reads, at the cost of write seek time Expensive (2N disks) RAID 1+0: create RAID 1 pairs, and then stripe across them RAID 0+1: create two RAID 0 sets, and maintain them as mirrors 123456 Disk 1 Disk 2 RAID 12345 123456 6
{}