Planning a Reliable Configuration
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Fault-Tolerant Hardware Versus Software
The following are points to consider when deciding between a fault-tolerant hardware or software solution:
- Fault-tolerant software is available only on Windows 2000 Server.
- Hardware fault tolerance is faster.
- Software fault tolerance is less expensive.
- In a hardware fault tolerance implementation, some vendors support hot-swappable disks when there is a disk failure.
Regardless of whether you implement fault tolerance by using hardware or software, implementing fault tolerance does not reduce the need for backups.
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