Contents
1 Identifying Storage System Components
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6
Understanding Component Numbering
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6
Drive Enclosures
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6
Controller Nodes
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7
PCIe Slots and Ports
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8
I/O Modules
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9
Power Cooling Modules
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9
Power Distribution Units
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10
Service Processor
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10
2 Understanding LED Indicator Status
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12
Enclosure LEDs
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12
Bezels LEDs
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12
Disk Drive LEDs
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13
Storage System Component LEDs
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13
Power Cooling Module LEDs
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13
Drive PCM LEDs
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15
I/O Modules LEDs
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16
External Port Activity LEDs
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17
Controller Node and Internal Component LEDs
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18
Ethernet LEDs
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19
FC Port LEDs
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19
SAS Port LEDs
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20
Interconnect Port LEDs
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20
Fibre Channel Adapter Port LEDs
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21
Converged Network Adapter Port LEDs
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22
Service Processor LEDs
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22
3 Powering Off/On the Storage System
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25
Powering Off
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25
Powering On
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25
4 Alerts
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27
Getting Recommended Actions
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27
5 Troubleshooting
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29
The checkhealth Command
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29
Using the checkhealth Command
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29
Troubleshooting Storage System Components
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30
Alert
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31
Format of Possible Alert Exception Messages
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31
Alert Example
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31
Alert Suggested Action
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31
Cage
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31
Format of Possible Cage Exception Messages
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31
Cage Example 1
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32
Cage Suggested Action 1
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32
Cage Example 2
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33
Cage Suggested Action 2
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33
Cage Example 3
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34
Cage Suggested Action 3
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34
Cage Example 4
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35
Cage Suggested Action 4
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35
Contents
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