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| Sun Installation Assistant 2.2 User's Guide for the Sun Fire X4640 Server Sun Fire X4640 Server Documentation Library

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## How to Upgrade HBA Firmware

Host bus adapters control internal or external disks connected to the server. SIA has the capability to upgrade supported HBAs to allow for fixes and enhancements to HBA firmware code.

| Caution - Though the upgrade of HBA firmware should not be destructive to connected storage, Sun recommends doing a full backup of HBA connected storage before performing the upgrade.

Note - SIA can perform firmware upgrades only. It cannot downgrade firmware.

1. You should have already started SIA and prepared it for tasks as described in Starting SIA and Preparing for Deployment or Recovery Tasks and the Task Selection dialog should be displayed.

   Note - The instructions below assume local CD/DVD drive access. Be sure to modify the instructions accordingly if you are using a local USB flash drive prepared with SIA software, or if you are running SIA from a remote console (or KVMS) with CD-ROM redirection.

2. Select the HBA Firmware Upgrade task, and then click Next.

   SIA displays the current version(s) and the available upgrade version for discovered HBAs.

   Note - If you selected the Remote Update feature (described in How to Start SIA and Prepare for Tasks Using Local or Remote Media), SIA will have obtained the latest code from the Sun software download site.

3. Select the identified controller(s)/HBAs to upgrade by placing a check mark in the Upgrade box.

   Note - Sun recommends that in a multi-controller system, all controllers should be at the same firmware level.

4. After selecting the HBA/controllers to upgrade, click the Upgrade Firmware button.

   Follow the on-screen instructions until the upgrade has completed. Upgraded code will not be used by the system until after a reboot.

See Also

- How to Upgrade the System BIOS and ILOM Firmware

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