HP 4000.6000.8000 Enterprise Virtual Arrays - Manual (Page 28)

•
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 Functions Component
Blowers •
Type
•
Installation
• • Removal Speed (rpm)
Disk drives •
Loop ID
•
Installation
• • Removal Temperature
• •
Drive fault Bypass 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 power Status
• • 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
Function Display
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