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Idea from Paul Dughi

Paul Dughi


High Availability vs. Disaster Recovery: Do I Need Both?


Problem: Lack of understanding. Some think because they have HA, it is fault tolerant and will fail over, so no need for DR planning. Solution: You need both. HA overcomes component failure. DR has a broader agenda – recovery of data, restoring system function, restarting production, etc. – using off-site or cloud. DR can handle multiple failures, whereas HA is still vulnerable to power failures, etc. D42: DCIM Benefits: a way to document and recreate a data center if disaster strikes


Paul Dughi