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FusionStorage V100R006C20 Block Storage Service Software Installation Guide 07

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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).
Installing the EulerOS Linux OS

Installing the EulerOS Linux OS

Scenarios

This section describes how to install the CentOS Linux OS. The following operations are for your reference only. You can perform a customized OS installation based on your actual requirements. Ensure that both the requirements listed in this document and made by the OS vendor are met.

To install an Linux operating system earlier than CentOS Linux 7.0, see section Installing the Red Hat Linux OS.

Prerequisites

Conditions

  • The local PC can communicate with the planned management plane and the server BMC plane. It is recommended that the local PC and the server to be installed are connected to the same switch, and their IP addresses belong to the same management plane network segment.
  • You have obtained the BMC IP address, username, and password for logging in to the BMC system of the server.
  • You have obtained the password for logging in to the server basic input/output system (BIOS) if the password has been configured.
  • You have configured hard disks as RAID 1 for installing the host OS to improve storage reliability.
  • The firewall on the local PC has been disabled.

Data

  • Server name
  • Password of user root for the server
  • Management plane IP address of the server

Software

OS image file of the server

Procedure

    Installing the OS

    1. As is shown in Figure 8-26, mount the system image to the server, access the installation page, select Install EulerOS Version number, and press Enter.

      Figure 8-26  Selecting installation

    2. As is shown in Figure 8-27, set the system language to English and click Continue.

      Figure 8-27  Selecting a language

    3. As is shown in Figure 8-28, select DATE & TIME, configure the time and time zone based on the site requirements, and click Done.

      Figure 8-28  Setting the time zone

    4. As is shown in Figure 8-29, click INSTALLATION DESTINATION, select the disk for installing the OS as prompted, select I will configure partition, and click Done to go to the manual partitioning page.

      Figure 8-29  Selecting a disk

    5. Optional: If a partition already exists, as is shown in Figure 8-30, select the partition, click -, select the prompted information in the dialog box, and click Delete It. Repeat this step to delete all partitions.

      Figure 8-30  Deleting a partition

    6. As is shown in Figure 8-31, click Click here to create them automatically to generate part of the partitions automatically and set the partition capacity based on the table below. If the system disk has sufficient space, you are advised to expand the space for each partition based on the site requirements. Keep the default values of other parameters.

      Figure 8-31  Deleting a partition

      As is shown in Figure 8-32, you can also click the plus sign (+) in the lower left of the page and add partitions in sequence when the dialog box pops up. Click Add mount point to save the settings.

      Figure 8-32  Manually adding a partition
      NOTE:
      The /boot partition cannot be an LVM logical partition. Other partitions listed in the following table are recommended to be LVM logical partitions.
      Table 8-11  System partitions
      Partition

      Description

      Minimum Partition Size (GB) Recommended Partition Size (GB)
      / System root directory 20 20
      swap Swap partition 20 20
      /boot

      Kernel of the operating system and the file used in the boot process

      0.3 0.3
      /usr System program directory 5 20
      /opt Third-party software directory 5 40
      /tmp Directory for saving temporary files generated by users or during program running 5 40
      /var Directory for saving changed data during system running 5 5
      /var/log Log partition
      NOTICE:

      Do not save other files in this partition. Otherwise, log space will be occupied, resulting in failure to save new logs and affecting fault location.

      5S 60
      /boot/efi

      Partition required by a server using EFI BIOS

      0.2 0.2
      /opt/zk_disk Metadata partition. If you need to deploy metadata on a partition of the operating system disk, you need to create a metadata partition. Otherwise, you do not need to create it. 50 65
      /opt/drzk Metadata partition. If you need to store metadata of DR services on a partition of the operating system disk, you need to create a metadata partition. Otherwise, you do not need to create it. 27 43
      /opt/ccdb Metadata partition. If you need to store metadata of DR services on a partition of the operating system disk, you need to create a metadata partition. Otherwise, you do not need to create it. 11 27

    7. As is shown in Figure 8-33, click Done to complete the configuration and select Accept Changes to confirm the partition information.

      Figure 8-33  Confirming the partition information

    8. As is shown in Figure 8-34, select KDUMP on the installation overview page and select Enable kdump and Manual. Click Done to finish the configuration.

      Note: You are advised to reserve the memory to 512 MB for a physical machine and 256 MB for a virtual machine.

      Figure 8-34  Configuring KDUMP

    9. Keep the default values of other parameters. Click Begin Installation to install the operating system.
    10. As is shown in Figure 8-32, click ROOT PASSWORD, configure the password for user root, and click Done.

      Figure 8-35  Setting the password of user root

    11. When the installation is complete, click Reboot.

    Disabling the SELinux Service

    1. Run the following command to disable the SELinux service:

      setenforce 0

      sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config

    Setting the host name

    1. Run the following commands to set the host name.

      The host name of each node in one cluster cannot be the same.

      After you run the hostname command, the name of the logged in server cannot be changed. To show the changed host name, exit and log in to the server again.

      hostname Storage01

      echo "Storage01" > /etc/hostname

    Installing the Patch for GE NIC Drivers

    1. Run the uname -a command to query the kernel version. If the kernel version is earlier than 3.10.0-514.44.5.10.h154, install the patch. For details, see Installing the Patch for GE NIC Drivers.

      The previous step corresponds to FusionStorage Block V100R006C30SPC200. Versions later than V100R006C30SPC200 can skip this step.

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Updated: 2019-06-29

Document ID: EDOC1100016637

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