HP ProLiant Gen9 Troubleshooting Manual page 142

The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24737
Severity: Error
Log message: The external Smart Array controllers located in the MSA chassis labeled
as <chassis label> are not redundant because the array controllers are reporting
different firmware revisions.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24738
Severity: Error
Log message: The external Smart Array controllers located in the MSA chassis labeled
as <chassis label> are not redundant because the array controllers are reporting
different cache sizes.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24739
Severity: Error
Log message: An external Smart Array controller located in the MSA chassis labeled
as <chassis label> is reporting that it is not redundant because the other external
controller is reporting a cache failure.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24740
Severity: Error
Log message: The external Smart Array controllers located in the MSA chassis labeled
as <chassis label> are no longer redundant because both array controllers cannot
see all the physical drives.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24741
Severity: Error
Log message: The external Smart Array controllers located in the MSA chassis labeled
as <chassis label> are no longer redundant because one or more drives has been
determined not to be able to support redundant controller operations.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24742
Severity: Error
Log message: The external Smart Array controllers located in the MSA chassis labeled
as <chassis label> are no longer redundant because an expand operation is in
progress. The controllers will become redundant once again once the expand
operation has completed.
HP Smart Array errors 142