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- The ability of a system to continue to perform its functions even when one or more hard disk drives have failed.
Adaptec - Cite This Source - This Definition
- Fault-tolerance is the ability of computer hardware or software to ensure data integrity when hardware failures occur. Fault-tolerant features appear in many server operating systems and include mirrored volumes, RAID- volumes, and server clusters.
Microsoft - Cite This Source - This Definition
- Bootable Array Support, Command Optimization, degraded mode, disk scrubbing, EMRL (Embedded RAID Logic), HostRAID, Microprocessor, O.C.E. (Online Capacity Expansion), RAID disk scrubbing, RAID Level Migration, RAID Levels, RAID Management Software, ROC (Raid on Chip), ROMB (RAID on Motherboard)