1 General Maintenance Information

This chapter contains topics about general maintenance of Oracle Exadata Database Machine.

Note:

• All procedures in this chapter are applicable to Oracle Exadata and Oracle Exadata Storage Expansion Rack.
• For ease of reading, the name "Oracle Exadata Rack" is used when information refers to both Oracle Exadata and Oracle Exadata Storage Expansion Rack.

• Overview of Roles and Responsibilities
  You should determine which individuals or groups are responsible for resolving any issue that arises.
• Powering On and Off Oracle Exadata Rack
  This section contains the procedures for powering on and off the components of an Oracle Exadata Rack.
• Using Auto Service Request to Manage Hardware Faults
  Auto Service Request (ASR) is designed to automatically open service requests when specific Oracle Exadata Rack hardware faults occur.
• Monitoring the System Using Oracle Enterprise Manager Cloud Control
  
• Monitoring the System Using Oracle Configuration Manager
  Oracle Configuration Manager collects configuration information and uploads it to the Oracle repository.
• Changing Component Passwords
  The passwords for the components can be changed after initial configuration.
• Determining the Server Model
  Use the exadata.img.hw command to determine the model of the cell or database server.
• Monitoring Ambient Temperature of Servers
  
• Replacing a Disk Controller Battery Backup Unit
  
• Overview of the dbmsrv Service
  
• Configuring Password Expiration for Users Accessing the Server Remotely
  You can configure DBSERVER attributes to expire user passwords.
• State of Storage Server and Database Servers During Configuration Changes
  Before a change to a configuration, determine if the database and storage servers need to be offline or online.
• Rescue Plan
  
• Using ExaWatcher Charts to Monitor Oracle Exadata Performance
  ExaWatcher is a utility that collects performance data on the storage servers and database servers of an Exadata system. The data collected includes operating system statistics, such as iostat, cell statistics (cellsrvstat), and network statistics.