HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 34

EMU monitoring functions, EMU displays, The EMU uses a combination of status indicators

Page 34 highlights

• 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 Command View 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 8 (page 34). Table 8 EMU monitoring functions Component Blowers • Installation • Removal Monitored Functions • 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 9 (page 34). Table 9 EMU status displays Display Function Audible alarm (For information on the audible alarm, see "Audible Any EMU-detected condition causes this alarm to alarm operations " (page 36).) sound. Status indicators (For a description of the status indicators, see Display enclosure and EMU status. "EMU indicator displays" (page 35).) Alphanumeric display (For a description of the alphanumeric display, see "Using the alphanumeric display" (page 35).) The two-character, seven-segment display displays alphanumeric characters. 34 Enterprise Virtual Array hardware components

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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 Command View 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 8 (page
34)
.
Table 8 EMU monitoring functions
Monitored Functions
Component
Type
Speed (rpm)
Installation
Removal
Blowers
Loop ID
Temperature
Drive fault
Installation
Removal
Bypass status
Disk drives
Type
Revision level
Temperature
Operation
EMU
Backplane type
Backplane revision level
Enclosure power
Enclosure fault
Enclosure
Type
Revision level
Installation
Removal
Status
I/O module
+5 VDC voltage and current
+12 VDC voltage and current
Total power
Temperature
Installation
Removal
Status
Type
Revision level
Power supplies
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 34)
.
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 36)
.)
Display enclosure and EMU status.
Status indicators (For a description of the status indicators, see
“EMU indicator displays” (page 35)
.)
The two-character, seven-segment display displays
alphanumeric characters.
Alphanumeric display (For a description of the alphanumeric
display, see
“Using the alphanumeric display” (page 35)
.)
34
Enterprise Virtual Array hardware components