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eSight V300R009C00 Local HA System Software Installation Guide (SUSE Linux + MySQL + OMMHA) 10

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Operating System Requirements

Operating System Requirements

The network scale and VM software and hardware configuration must be checked to ensure that eSight can be installed normally.

NOTE:

Ensure that the items listed in the following table satisfy the requirements. Otherwise, the eSight system may fail to be installed, deployed, and operated.

Operating system requirements

Table 2-4 eSight VM configuration requirements

Item

Requirement

VM

The VM has been installed.

Time zone and time

The time and time zone of the active and standby servers must be the same.

  1. Use the VNC to log In to SUSE Linux as the root user.
  2. Right-click a blank area on the desktop. In the dialog box that is displayed, click Open Terminal. Run the yast2 command to access the YaST2 Control Center page.
  3. Select System > Network Settings.

    Check the time and time zone of the active and standby servers.

Firewall

The firewall must be disabled. For details, see How Do I Turning off the Firewall in the SUSE Linux Operating System.

Number of handles

If the user provides the operating system, ensure that the number of handles of the operating system is greater than or equal to 65535.

If the user provides the operating system, perform the following steps to check and change the number of operating system handles:

NOTE:

If the eSight is deployed in a two-node cluster mode, the number of operating system handles on the active and standby servers must be the same.

  1. Log in to the eSight server as the root user.
  2. Run the following command to view the number of operating system handles:

    # ulimit -n

  3. Open the limits.conf file in /etc/security/ and set the nofile parameter in the file to 65535.

    If the limits.conf file does not contain the nofile parameter, run the following command to change the number of operating system handles:

    # echo "* - nofile 65535">> /etc/security/limits.conf

  4. Restart the eSight server.
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Updated: 2019-09-02

Document ID: EDOC1100011856

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