The Design and Organization of Data Centers/Redundancy
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This page may need to be Everything will eventually fail. Redundancy allows you to minimize the damage of a system failure.
Contents |
[edit] Failure characteristics
Planned vs. unplanned
Total vs. partial
Frequency of failure
Length of partial failure or outage
[edit] Types of redundancy
[edit] Structure
Ladder
Mesh
N+1
[edit] Implementation
Active/active
Active/passive
[edit] Human Factors
Notification
Unattended problem resolution
Documentation and problem clarity
Allowance for no-impact maintenance
