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Huawei SAP HANA Appliance Single Node Installation Guide (KunLun 9008 and 9016) 08

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Upgrading the OS Online

Upgrading the OS Online

NOTE:

This section describes how to activate the Linux OS and how to install a patch package and update the operating system online. If the customer network cannot connect to the Internet directly or through the proxy server, skip this section.

Huawei is responsible for OS installation and patch package installation and upgrade during project implementation. After Huawei completes project delivery (after the system officially goes live on the customer site), the customer is responsible for system upgrade, security update, and patch package installation. The customer needs to add software components and modify the OS configuration according to SAP notes to ensure system security and stability.

OS and kernel update

If the customer needs to update the OS kernel, the customer must take specific preventive measures to prevent system startup failures after the kernel is updated. The SAP HANA database must be shut down during the entire update process.

The general process for updating the OS or kernel is as follows:

  1. Stop the SAP HANA database.
  2. Use YaST to update the kernel (or download the kernel patch package to manually update the kernel).
  3. Check the GRUB file and the boot sector (menu.lst). If command lines have been configured in the GRUB file before the kernel update, check the GRUB configuration again after the kernel update takes effect upon restart.
  4. Restart the OS.

Using YaST to Upgrade the OS Online

The YaST tool can be used to upgrade the OS online. All of the OS components including the kernel can be upgraded online.

  1. Online upgrade requires the Linux system to access the Internet directly or through a proxy server. To configure the proxy server, set PROXY_ENABLED to yes and configure the host IP address and port number of the proxy server.

    hw00001:~ # cd /etc/sysconfig/
    hw00001:/etc/sysconfig # vi proxy
    PROXY_ENABLED="yes"
    HTTP_PROXY="http://<Proxy_server_IP>:<Proxy_Service_port>"
    HTTPS_PROXY="http://<Proxy_server_IP>:<Proxy_service_port>"
    FTP_PROXY="http://<Proxy_server_IP>:<Proxy_service_port>"

  2. Run the yast command as the root user. Choose Software > Online Update. Then select Yes and press Enter on the screen displayed.

  3. Use the official SUSE website account and password that have been activated to register with the current Linux server. Then click Next.

    NOTE:

    For details about how to activate the official SUSE website account, see section 2.2 "Registering and Activating OS Subscriptions" in the Huawei SAP HANA Appliance Single Node and Two Node HA Maintenance Guide.

    http://support.huawei.com/enterprise/zh/doc/EDOC1100004722

  1. On the Extension and Module Selection screen, select Next and press Enter.

  2. On the Available Extensions and Modules screen, select Accept and press Enter.

  1. The system automatically downloads the patch packages for update. On the screen shown in Figure 5-1, select OK and press Enter. On the screen shown in Figure 5-2, select Accept and press Enter.

    Figure 5-1 Automatically downloading the patch packages for update
    Figure 5-2 Patch package list

  1. After certain patch packages are installed, you need to restart the system for the patches to take effect. Select Continue and press Enter on the confirmation screen. Then select Accept and press Enter.

  1. The system starts downloading and installing the patch packages. When the download is complete, select Finish and press Enter.

  1. On the Release Notes screen, click Close.

  1. Click OK for the configuration to take effect.

  1. Exit YaST. The configuration takes effect after the system is restarted.
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Updated: 2019-05-14

Document ID: EDOC1100004728

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