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CHAPTER 5
Troubleshooting Host Devices
This chapter describes how to troubleshoot components associated with a Sun
StorEdge 3900 or 6900 series Host.
This chapter contains the following sections:
■“Using the Host Event Grid” on page53
■“ToReplace the Master Host” on page 57
■“ToReplace the Alternate Master or Slave Monitoring Host” on page 58

Host Event Grid

The Storage Automated Diagnostic EnvironmentEvent Grid enables you to sort host
events by component, category,or event type. The Storage Automated Diagnostic
Environment GUI displays an event grid that describes the severity of the event,
whether action is required, a description of the event, and the recommendedaction.
Refer to the Storage Automated Diagnostic Environment User’s Guide for more
information.

▼Using the Host Event Grid

1. From the Storage Automated Diagnostic Environment Help menu, click the Event
Grid link.
2. Select the criteria from the Storage Automated Diagnostic Environment event
grid, like the one shown in FIGURE5-1.