This section contains specific procedures that may be required for expanding some Oracle Exadata Database Machine Eighth Rack models.

Some of the following procedures only apply in specific circumstances. So, if present, check the applicability note at the beginning of the procedure. Otherwise, the expansion of an Eighth Rack through the addition of database or storage servers uses the same general procedures as the elastic expansion of a non-Eighth Rack. See Extending Elastic Configurations and Configuring the New Hardware.

Also, in the following procedures:

• The disk group names and sizes are examples. The values should be changed in the commands to match the actual system.

• User equivalence (password-less SSH) is assumed to exist between the root user on the first database server and all other database servers, and to the celladmin user on all storage cells.

• The text files cell_group and db_group should be created to contain lists of cell host names and database server host names, respectively.

Eighth Rack Expansion Procedures:

• Reviewing and Validating Current Configuration of Eighth Rack Oracle Exadata Database Machine
  The following procedure describes how to review and validate the current configuration.
• Activating Database Server Cores in Oracle Exadata Database Machine Eighth Rack
  The following procedure describes how to activate database server cores.
• Activating Storage Server Cores and Disks in Oracle Exadata Database Machine Eighth Rack
  The following procedure describes how to activate the storage server cores and disks.
• Creating Additional Grid Disks in Oracle Exadata Database Machine Eighth Rack
  Additional grid disk creation must follow a specific order to ensure the proper offset.
• Adding Grid Disks to Oracle ASM Disk Groups in Oracle Exadata Database Machine Eighth Rack
  The following procedure describes how to add the new grid disks to Oracle ASM disk groups.
• Validating Expansion of Oracle Exadata Database Machine
  After expansion, validate the new configuration.