HP SureStore E Disk Array FC60 Service Manual (A5277A)

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E0 20/21 Fibre Channel Destination Channel Error
ASCQ = 20: Indicates redundant path is not available to
devices
ASCQ = 21: Indicates destination drive channels are connected
to each other
Sense byte 26 will contain the Tray ID
Sense byte 27 will contain the Channel ID
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Additional
Sense
Code
Additional
Sense Code
Qualifier Interpretation