It shouldn't be included with the 3-2-1 backup rule. This is because there are still multiple points of failure, including the RAID controller, the OS, and the drive itself. It's only suitable for ...
A controller card that supports one or more RAID configurations. Originally only for SCSI drives, RAID controllers became very popular for PATA, SATA and NvMe drives. See RAID. THIS DEFINITION IS ...
RAID or Redundant Array of Independent Disks combines multiple disks into a single storage pool that the operating system views as a single drive. While enterprise systems use hardware RAID with a ...
The parity is computed by XOR'ing a bit from drive 1 with a bit from drive 2 and storing the result on drive 3 (to learn about XOR, see OR). After a failed drive is replaced, the RAID controller ...