EMC 300-000-978 REV A03 manual Dynamic Reconfiguration, Adding an HBA to a PowerPath Configuration

5

PowerPath Administration on Solaris

Dynamic Reconfiguration

The Solaris Dynamic Reconfiguration (DR) feature allows you to add or remove an HBA from a Solaris system while the system continues running. You can logically attach and detach system boards from the operating system without halting and rebooting. For example, with DR you can detach a board from the operating system, physically remove and service the board, and then re-insert the board and re-attach it to the operating system—without halting the operating system or terminating any user application.

PowerPath supports DR. The following procedures describe how to use DR to add and remove HBAs in a PowerPath environment.

As you perform these procedures, have available the Sun Dynamic

Reconfiguration documentation for your platform.

If you have a custom PowerPath configuration that you have not yet saved, run powermt save before completing the procedures in this section, to save your configuration changes. Run powermt load after completing these procedures, to restore your configuration.

Adding an HBA to a PowerPath Configuration

To use DR to add an HBA to a Solaris system in a PowerPath configuration, follow these steps:

1.Add the new HBA to the system, following the instructions in the Sun Dynamic Reconfiguration documentation.

2.Configure the new HBA. Enter: powermt config

5-12 PowerPath for UNIX Installation and Administration Guide