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How to troubleshoot a degraded drive channel (E-Series)

Applies to

E-Series Controller Firmware 8.xx

Description

This KB contains some basic troubleshooting steps that can be taken when a degraded drive channel is reported.

It is important to understand that a drive channel can only be reported in a single state at any given time, Optimal, Degraded, or Failed. Therefore, even if the degradation is isolated to a specific component the entire drive channel will report as degraded.

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