RAID levels (0, 1, 5, 6, 10)

Also written: RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, 1+0, striping, mirroring

RAID layouts: RAID 0 stripes with no redundancy; RAID 1 mirrors to two disks; RAID 5 stripes with parity and survives one failed disk. RAID 6 uses double parity and survives two, and RAID 10 stripes mirrored pairs.