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Dell PowerFlex: Maintenance Modes
Executive summary Overview Architecture Considerations and limitations of PMM
Considerations and limitations
Mixing maintenance methodologies
Concurrent operations in a single Protection Domain
Initiating PMM with degraded capacity
Considerations for nondisruptive upgrades
Spare capacity considerations
Summary References

Initiating PMM with degraded capacity

Initiating PMM with degraded capacity

  • The system should be healthy, with no capacity or other critical issues. However, the SDS entering PMM can have degraded capacity (similar to IMM), and other SDSs in the same fault set may have degraded capacity when a node is entering PMM.