HP ProLiant Gen8 Troubleshooting Guide Volume II: Error Messages

HP Smart Array errors 142
Log message: The external Smart Array controller located in the MSA chassis labeled
as <chassis label> has reported that a SAS link error has been detected between
its' onboard expander and an externally connected storage box. This error has
been detected between port <port number> of the external controller and I/O module
number <module number> located in box number <box number>. Please check this data
path and the associated hardware.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24747
Severity: Warning
Log message: The external Smart Array controller located in the MSA chassis labeled
as <chassis label> has reported that a SAS link error has been detected between
its' onboard expander (port <port number>) and <attached device><attached device
index>. Please check this data path and the associated hardware.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24748
Severity: Warning
Log message: The external Smart Array controller located in the MSA chassis labeled
as <chassis label> has reported that a SAS link error has been detected between
I/O module <module number 1> of box <box number 1> and I/O module <module number
2> of box <box number 2>. These boxes are connected to port <port number> of the
external array controller. Please check this data path and the associated
hardware.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24749
Severity: Warning
Log message: The external Smart Array controller located in the MSA chassis labeled
as <chassis label> has reported that a SAS link error has been detected in bay
<bay number> of box <box number> which is connected to port <port number> of the
external array controller. Please check this data path and the associated
hardware.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message identifiers 24750-24774
Message Id: 24750
Severity: Warning
Log message: The external Smart Array controller located in the MSA chassis labeled
as <chassis label> has reported that a SAS link error has been detected between
port <port number> and the switch expander connected to this port. Please check
this data path and the associated hardware.
The external Smart Array controller reporting this event is attached to the host
side Smart Array controller <controller name / slot information>.
Message Id: 24751