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# Using Disk Management to Manage Hard Drives (11 of 19) * Windows Dynamic Disks (continued) * RAID (redundant array of inexpensive disks or redundant array of independent disks) is the technology to configure two or more hard drives to work together as an array of drives. * Joining har...

# Using Disk Management to Manage Hard Drives (11 of 19) * Windows Dynamic Disks (continued) * RAID (redundant array of inexpensive disks or redundant array of independent disks) is the technology to configure two or more hard drives to work together as an array of drives. * Joining hard drives to improve performance is called **striping** or **RAID 0** (work is shared between two hard drives but does not provide fault tolerance) * Copying one hard drive to another as a backup is called **mirroring** or **RAID 1** (improves fault tolerance because if one drive fails, you have another copy) * RAID implemented using Disk Management is called **software RAID** * Use BIOS/UEFI setup on a motherboard that support RAID, which is called **hardware RAID**