Contents

Version information

Software feature and command updates

List of resolved problems

Restrictions and cautions

Updating Expander firmware

Version Matching Relationship

Update suggestion

Version information

This software is a firmware program for the 25SFF Expander backplane, suitable for the 0302A69W、0302A6G3、0302A6G2、0302A6AM and 0302A7NP backplanes.

Software feature and command updates

Using SSSF firmware in RAID configuration to improve sequential write performance of SATA drives.

Add a log to record PHY Up/Down events.

List of resolved problems

When the Expander processes forwarding IO commands, it also receives a specific hard disk query command, which will probability trigger a software bug and prevent it from continuing to forward commands to the target hard disk. Probability of causing hard disk response timeout and reset.

Restrictions and cautions

Before updating the software version, as a best practice, learn about software feature changes between versions, evaluate potential impact of the changes on services, and refer to related documents.

Before upgrading, check if the firmware matches the backplane, and the backplane 0302 code is consistent with the firmware 0302 code. The method is as follows:

A: Viewing Backplane 0302 Encoding from HDM Interface

System  System Overview  Others  Drive backplanes  FrontBackplane1  Part Number

B: Viewing Backplane 0302 Encoding from SDS Log

Download and extract SDS  Open Static folder  Board_ Info.ini file  [FrontBackplane1] BoardPartNum

After the Expander is updated, you must power off and then power on the host for the new firmware to take effect.

Updating Expander firmware

Linux：

1.Log in to the system using an administrator user.

2.Copy the firmware file and exptool upgrade tool to the system.

Note: The firmware files and exptool upgrade tools are in the same directory, which does not contain other Expander firmware files.

3.Execute ' chmod +x exptool.x86_64' to exptool. x86_ 64 grant execution permissions

4.Execute the './exptool.x86_64 update' to upgrade the firmware. After the update is successful, power down and restart will take effect.

5.Execute './exptool.x86_64 update' again. After the update is successful, there is no need to restart.

6.Support checking whether the upgrade operation is successful within the OS and HDM interface.

OS: Enter the exptool path and execute './exptool.x86_64 show' to check if the version number is updated;

HDM:System  System Overview  Others  Drive backplanes  FrontBackplane1  Current firmware version;

 Windows：

Not currently supported. Please use USB flash drives, mobile hard drives, and other methods to operate under the Linux system.

 Vmware:

Not currently supported. Please use USB flash drives, mobile hard drives, and other methods to operate under the Linux system.

Version Matching Relationship

The supported models and backplane models are shown in the table below.

Update suggestion

As a best practice, update the Expander firmware.