User's Manual

Providing enclosure status data to the controllers.
Reporting the WWN and the logical address of all disk drives.
NOTE: Although the EMU can determine the logical address of a drive, the EMU can neither
display nor change this information. HP P6000 Command View 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 8 (page
28).
Table 8 EMU monitoring functions
Monitored FunctionsComponent
Blowers
Type Installation
Removal Speed (rpm)
Disk drives
Loop ID Installation
Removal Temperature
Drive faultBypass status
EMU
Type Temperature
Operation Revision level
Enclosure
Backplane type Enclosure power
Enclosure fault Backplane revision level
I/O module
Type Installation
Removal Revision level
Status
Power supplies
+5 VDC voltage and current Installation
Removal +12 VDC voltage and current
Total powerStatus
Type Temperature
Revision level
Link status Type
Transceiver
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 9 (page 28).
Table 9 EMU status displays
FunctionDisplay
Any EMU-detected condition causes this alarm to
sound.
Audible alarm (For information on the audible alarm, see Audible
alarm operations ” (page 30).)
Display enclosure and EMU status.Status indicators (For a description of the status indicators, see
“EMU indicator displays” (page 29).)
The two-character, seven-segment display displays
alphanumeric characters.
Alphanumeric display (For a description of the alphanumeric
display, see “Using the alphanumeric display” (page 29).)
28 Enterprise Virtual Array hardware components