HP StorageWorks 2500 Disk System Enclosure User Manual Page 39
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4UsingtheEMU
This chapter contains the following topics:
•
Alphanumeric display, page 39
•
Display groups, page 39
Alphanumeric display
The EMU stores information about the status of the DS2500. You can use the EMU alphanumeric display
to view the status information. The push buttons below the display provide a way to select which
data is displ
ayed and to enter data.
The alphanumeric display shows multiple levels of information. The top level shows a display group
(see Table 4). Each display group has supporting data in sublevels.
• The bottom p
ush button allows you to sequentially view and select the display groups.
• The top push button allows you to sequentially view the levels within a display group.
The push buttons double as status indicators:
• The top push
button lights when an error condition exists.
• For a single error, the push button stays lit until the error condition report is viewed.
• For multiple errors, the push button remains lit until the last error condition report is viewed.
• The bottom
push button lights when the audible alarm is muted or disabled.
Display groups
By default, the enclosure ID (En) appears in the alphanumeric display. When you press and release the
bottom push button, the display cycles among the display groups listed in Table 4.
A flashing alphanumeric display indicates that you can edit the contents of a display group.
Table 4 EMU display groups
Display group Display
Description
Encoding
En
Used to encode or assign the enclosure ID.
Loop ID Li
Identifi
es the enclosure loop ID.
Reporting Group rG
Not used in a JBOD environment.
Audible alarm
Au
Allows you to control the audible alarm or horn. The sublevel
displays are audible alarm enabled (On) or audible alarm
disabled (OF).
Firmware revision Fr
Display
s the EMU firmware version.
Error condition
Er
Indicates an error condition.
Encoding the enclosure ID (En)
All enclosures must have a hard address to function properly with HP-UX operating software. You must
assign a unique enclosure ID and corresponding loop ID to each DS2500. There are nine allowable
enclosure ID/loop ID pairs. See Table 5 for enclosure IDs and the corresponding loop ID numbers.
2500 Disk System user guide
39
- HP StorageWorks 1
- 2500 Disk System user guide 1
- Legal and notice information 2
- Contents 3
- Rack stability 10
- HP technical 10
- Customer self repair 11
- Subscription service 11
- Other HP web sites 11
- Documentation feedback 11
- About this guide 12
- 1Overview 13
- Components 14
- Status i 15
- System requirements 15
- Hard disk drive firmware 16
- Disk drive 16
- 2Components 17
- Controls and d 18
- I/O modules 19
- 1. Status LEDs 20
- 2. Port 2 20
- 3. Port 1 20
- 20 Components 20
- Features 21
- Fibre Channel disks 22
- Cables and cabling 24
- Transceivers 24
- 3 Installation 25
- Installing th 26
- Installation 28
- Reducing the enclosure weight 29
- Removing the EMU 30
- Removing the I/O modules 31
- CXO7373A 33
- Verifying the installation 36
- Adding driv 36
- 4UsingtheEMU 39
- Loop ID (Li) 40
- Audible alarm (Au) 41
- Firmware revision (Fr) 42
- Error condition report (Er) 42
- Using the EMU 44
- 5 Troubleshooting 45
- EMU error condit 48
- Status indicators 48
- Audible error indicators 50
- Visual error indicators 50
- Disk drives 51
- Catastrophic errors 52
- EMU temperat 53
- Troubleshooting 54
- 6 Customer self repair 55
- Verifying component failure 56
- Procuring the spare part 56
- Returning the defective part 57
- Before you begin 57
- Removing a power supply 57
- Replacing a power supply 58
- Removing a blower 58
- Replacing a blower 59
- Replacing a disk drive 60
- ASpecifications 63
- Power specifi 64
- Table 18 Out 65
- Table 19 65
- Power specifications 65
- Specifications 66
- B Regulatory notices 67
- Laser devices 68
- Certification a 69
- WEEE Recycling N 70
- Finnish notice 71
- French notice 71
- German notice 71
- Greek notice 71
- Hungarian notice 72
- Italian notice 72
- Latvian notice 72
- Lithuanian notice 72
- Polish notice 73
- Portuguese notice 73
- Slovenian notice 73
- Germany noise declaration 74
- Japanese notice 74
- Taiwanese notice 75
- Japanese power cord notice 75
- Regulatory notices 76
- Error condition report format 77
- Correcting err 78
- Temperature error conditions 80
- EMU error conditions 81
- Transceiver error conditions 82
- CXO7461A 83
- Backplane error conditions 84
- I/O module error conditions 84
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