Compaq System/E25 User's Guide download pdf (Page 96)

96 Troubleshooting

Status LEDs

LEDs indicate the status of the disk system itself and each of its components (see

Table 11). Green and amber system LEDs are visible on the front of the disk

system. They show that power is on (green) and a fault has occurred (amber).

Disk activity (green) LEDs are on the front of the disk drives at the bottom. Other

LEDs are on individual components in the back of the disk system.

LED states are described in Table 11:

Table 11. LED Functions

LED State Indication

System Power Green Power is on.

OFF Power is off.

1 2 ... 91 92 93 94 95 96 97 98 99 100 101 ... 143 144

Edition E0902 1
Format Conventions 2
Trademark Information 2
Revision History 3
1 Product Description 13 5
2 Installation 31 5
3 Configuration 81 6
4 Troubleshooting 93 6
5 Removal and Replacement 109 7
6 Reference 129 7
Product Description 13
Status Indicators 15
Power/Standby Switch 15
High Availability 15
Upgradability 16
Environmental Services 16
Components 17
20 Product Description 20
■ System fault detection 20
■ Disk address generation 20
Power Supply/Fan Module 21
22 Product Description 22
Topologies 23
24 Product Description 24
Product Description 25 25
26 Product Description 26
Four Host Hub Configuration 27
Definitions 28
Product Description 29 29
30 Product Description 30
Installation 31
Choosing PDUs 32
Installation 33 33
Installing PDU/PDRUs 34
Software Requirements 37
Step 1: Gather Tools 38
Step 2: Unpack the Product 38
Installation 39 39
40 Installation 40
Step 3: Install the device 41
42 Installation 42
■ Flat-blade screwdriver 42
■ T25 nut driver 42
Installation 43 43
Installation 45 45
46 Installation 46
Installation 47 47
48 Installation 48
Installation 49 49
50 Installation 50
52 Installation 52
Installation 53 53
54 Installation 54
Installation 55 55
56 Installation 56
58 Installation 58
Installation 59 59
60 Installation 60
Installation 61 61
62 Installation 62
Install the Disk System 63
Step 4: Configure LCCs 64
Installation 65 65
72 Installation 72
Step 7: Install Disk Modules 75
76 Installation 76
Sample IOSCAN 78
Where do you go from here? 79
80 Installation 80
Configuration 81
82 Configuration 82
8/12.8.0.255.2.14.0 83
86 Configuration 86
Configuration 87 87
Using SAM 88
Using STM (HP-Qualified Only) 88
Configuration 89 89
90 Configuration 90
Configuration 91 91
92 Configuration 92
Status LEDs 96
Table 11. LED Functions 97
LED State Indication 97
Online Status Information 98
Troubleshooting 99 99
Interpreting Status Values 100
Troubleshooting 101 101
102 Troubleshooting 102
Troubleshooting 103
Isolating Causes 104
Troubleshooting 107 107
108 Troubleshooting 108
Removal and Replacement 109
110 Removal and Replacement 110
Disk Module 111
112 Removal and Replacement 112
Removal and Replacement 113 113
114 Removal and Replacement 114
Procedure 115
116 Removal and Replacement 116
118 Removal and Replacement 118
Removal and Replacement 119 119
Power Supply 120
Removal and Replacement 121 121
Disk System 122
Removal and Replacement 123 123
Top Cover (HP-Qualified Only) 124
Removal and Replacement 125 125
Midplane (HP-Qualified Only) 126
Removal and Replacement 127 127
Reference 129
Upgrade Products 130
PDU/PDRU Products 131
Replaceable Parts 132
Specifications 132
AC Power Input 133
DC Power Output 133
Heat Output 133
Environment 134
Acoustics 134
Safety Certifications 134
EMC Compliance 135
Regulatory Statements 136
Reference 137 137
E. VCCI Statement (Japan) 138
G. Declaration of Conformity 139
Product Web Site 140
Related Documents 140

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Compaq System/E25 User's Guide Page 96

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