NOTE:
Although the EMU can determine the logical address of a drive, the EMU can neither display nor
change this information. HP Command V iew EVA can display the addresses from the EMU-supplied
status information.
EMU monitoring functions
The internal EMU circuitry monitors the enclosure and component functions listed in Table 13.
Table 13 EMU monitoring functions
Component
Monitored Funct ions
Blowers
• Installation
• Removal
• Type
• Speed (rpm)
Disk drives
• Installation
• Removal
• Bypass status
• Loop ID
• Temperature
• Drive fault
EMU
• Temperature
• Operation
• Type
• Revision level
Enclosure
• Enclosure power
• Enclosure fault
• Backplane type
• Backplane revision level
I/O module
• Installation
• Removal
• Status
• Type
• Revision level
Power supplies
• Installation
• Removal
• Status
• Type
• Revision level
• +5 VDC voltage and current
• +12 VDC voltage and current
• Total power
• Temperature
Transceiver
• Type
• Link status
EMU displays
The EMU uses a combination of status indicators, alphanumeric display, and an audible alarm to indicate
the operational status of the enclosure and its components. See Table 14.
Table 14 EMU status displays
Display
Function
Audible alarm (For information on the audible alarm, see
“Audible Alarm Operations” on page 57.)
Any EMU–detected condition causes this
alarm to sound.
Status indicators (For a description of the status
indicators, see “EMU LED Displays”onpage56.)
Display enclosure and EMU status.
Alphanumeric display (For a description of the alphanumeric
display, see “Using the alphanumeric display”onpage56.)
The two-character, seven-segment display
displays alphanumeric characters.
HP StorageWorks 3000/5000 Enterprise Virtual Array user guide (VCS 4.xxx)
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