Using the iBMC WebUI
Scenarios
Upgrade the Flex LOM firmware of the Atlas 800 AI training server (model 9010) on the Firmware Upgrade page of the iBMC WebUI while the server is powered on.
Before You Start
Impact of the Upgrade
After the upgrade is complete, you need to power off and then power on the system for the firmware to take effect. The restart will interrupt services.
Precautions
Observe the precautions listed in Table 2-13 during the upgrade.
No. |
Description |
|---|---|
1 |
Do not restart the OS or power on, power off, or reset the server during the upgrade. |
2 |
Before the upgrade, ensure that the server is powered on and working properly. |
3 |
Before the upgrade, read this document carefully to ensure that you have learned all the content. For any problems or suggestions pertaining to the document, contact Huawei technical support. |
4 |
Perform the upgrade during off-peak hours to minimize the impact on the system and services. |
Version Requirements
None
Preparations
Obtaining Software Packages
To obtain the upgrade package, perform the following steps:
- Enterprise users:
- Visit Ascend Computing.
- Select the server model.
- Click Software Download.
The server software version list is displayed.
- Select the target version.
- Download the upgrade package and digital signature file to a client (local PC) and decompress the upgrade package.
- Carrier users: Contact technical support of your local Huawei office.
Verifying the Digital Signatures of Software Packages
To avoid using software packages that have been tampered with during transmission or storage, download their digital signature files for integrity check while downloading the software packages.
After a software package is downloaded from the Support website, verify its PGP digital signature. See OpenPGP Signature Verification Guide. If the software package fails the verification, do not use it, and contact Huawei technical support.
Before a software package is used in installation or update, its digital signature also needs to be verified according to the OpenPGP Signature Verification Guide to ensure that the software package is not tampered with.
For carriers: https://support.huawei.com/carrier/digitalSignatureAction.
For enterprise users: https://support.huawei.com/enterprise/en/tool/pgp-verify-TL1000000054.
Upgrade Procedure
Prerequisites
Conditions
- You have logged in to the iBMC WebUI. For details, see iBMC WebUI.
- The server is powered on and working properly.
Software
You have downloaded the Flex LOM upgrade package to the client, decompressed the package, and obtained the upgrade file.
Procedure
- Check the current firmware version: On the iBMC WebUI, choose System > System Info and click the Others tab.
On the displayed page, check the LOM card firmware version.
- On the iBMC WebUI, choose iBMC Settings > Firmware Upgrade, as shown in Figure 2-9.
The Firmware Upgrade page is displayed.
- In the Firmware Upgrade area, deselect "Restart iBMC immediately after upgrade".
- Click
.
A window is displayed for you to select the upgrade file.
- Select the upgrade file and click Open.
The Firmware Upgrade page is displayed.
- Click Upgrade.
A dialog box is displayed asking you whether to start the upgrade.
- Click Yes to start the upgrade.
- Power off and then power on the system for the firmware to take effect. Two methods are available:
- On the iBMC WebUI, choose System > Power > Power Control, click Power Off, and click OK in the dialog box displayed. On the Power Control page, click Power On and click OK in the dialog box displayed.
- On the iBMC WebUI, choose System > Power > Power Control, click Forced Power Cycle, and click OK in the dialog box displayed.
- Check whether the firmware version is the target version: On the iBMC WebUI, choose System > System Info and click the Others tab.
On the displayed page, check the LOM card firmware version.
.Rollback
Rollback Guidelines
If the upgrade fails and the software version is still the source version, you do not need to perform a rollback. If any of the following problems occurs, contact technical support to determine whether a rollback is required.
- A major fault occurred during the upgrade, and cannot be located and rectified within the specified time.
- After the upgrade is complete, the target version functions abnormally.
- The entire upgrade cannot be finished as scheduled. To prevent service interruption in peak hours caused by the upgrade, a rollback is required.
Rollback Procedure
- Determine the target version.
You are advised to roll back the firmware to the version that is used before the upgrade.
- Roll back the software version.
The rollback procedure is the same as the upgrade procedure. For details, see Upgrade Procedure.
