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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, a full backup of HBA connected storage is strongly recommended 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.
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 performed an SIA Update during the current SIA session (described in How to Start SIA and Prepare for Tasks Using Local or Remote Media), SIA will have obtained the latest code from the Oracle software download site.

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

   Figure Legend
   1 | Example of server with an optional HBA. HBAs are listed in the order in which they are discovered on the PCIe bus, with the first HBA at the top of the list.
   2 | Example of a Sun Fire X4540 server with multiple integrated disk controllers. Controllers are listed starting at the top with controller 0 and ending with controller 5. Controllers 0 and 1 can contain boot devices.

   Note - In a multi-controller system, all controllers should be at the same firmware level. However, you can upgrade non-boot controllers first, check functionality, and then upgrade boot controllers.

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.

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