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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 CentOS Linux OS

Installing the CentOS 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.
  • The operating system disks of the server have been grouped as RAID 1.
  • 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. Mount the OS image to the server, go to the OS installation page, select Install CentOS 7, and press Enter. Figure 8-18 shows the OS installation page.

      Figure 8-18  Selecting Install CentOS 7

    2. On the Welcome screen, set the system language to English and click Continue.
    1. On the INSTALLATION SUMMARY screen as shown in Figure 8-19, click INSTALLATION DESTINATION.

      Figure 8-19  Clicking INSTALLATION DESTINATION

    2. On the INSTALLATION DESTINATION screen as shown in Figure 8-20, select a system disk for the installation. In the Other Storage Options area, select I will configure partitioning. You can configure the system disk's partitions. Otherwise, the system automatically configures partitions.

      Figure 8-20  Configuring the system disk's partitions (1)

    3. On the MANUAL PARTITIONING screen as shown in Figure 8-21, click Click here to create them automatically to create some partitions automatically. Keep the default configurations for other options.

      Figure 8-21  Configuring the system disk's partitions (2)

      Alternatively, you can click the plus sign (+) in the lower left corner, add a partition in the dialog box as shown in Figure 8-22, and click Add mount point to save the setting. Repeat the operations to add other partitions one by one.

      Figure 8-22  Manually adding a partition

    4. Click the row where a partition resides and modify partition information in the right area. Table 8-10 lists the space requirements for system partitions.

      Table 8-10 lists the space requirements for system partitions. If your system disk space is sufficient, you are advised to properly expand the size of each partition based on the actual condition.

      Other partitions except of the root partition are logical partitions. Therefore, create extended partitions before creating other partitions.

      Table 8-10  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.

      5 60

    5. On the INSTALLATION SUMMARY screen as shown in Figure 8-23, click Begin Installation to go to the installation page.

      Figure 8-23  Starting installation

    6. During the installation, you can set the root password and create other user accounts. See Figure 8-24.

      Figure 8-24  Setting the password (1)

    7. Click ROOT PASSWORD. On the password setting screen that is displayed, set a password and click Done. See Figure 8-25.

      Figure 8-25  Setting the password (2)

    8. Click User Creation to create a user account and click Done to save the settings. Then, click Finish Configuration.
    9. Wait until the installation is completed (about 20 minutes). After the OS installation and configuration are completed, click Reboot.
    10. Repeat the preceding operations to install operating systems on other servers.

    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

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Updated: 2019-06-29

Document ID: EDOC1100016637

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