R
- RAID
Redundant Array of Independent (or Inexpensive) Disks.
- RAID-0
Two or more disks striped together. RAID-0 is used to increase read and write performance.
- RAID-1
Two disks configured as a mirror. RAID-1 is used to provide fault tolerance for the operating system partition and sometimes used to protect application files such as SQL Server transaction logs. A RAID-1 configuration can survive the failure of either one of the disks.
- RAID-5
Three or more disks striped together with parity for fault tolerance. RAID-5 is used to provide fault tolerance for data disks and can survive the failure of any single disk.
- RAID-10
A more complex RAID configuration that combines RAID-1 and RAID-0. It requires an even number of disks, with each ...
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