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eSight V300R010C00SPC200, 300, and 500 Local HA System Software Installation Guide (SUSE Linux + Oracle + Veritas) 10

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Operating System Requirements

Operating System Requirements

eSight allows customers to use their own Linux operating systems. In this case, the customers need to check the network scale and physical machine software and hardware configurations as required to ensure normal eSight installation.

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

Operating System Requirements

Table 5-10 eSight VM configuration requirements



Physical machine

The physical machine has been installed.

Disk partition

Disk partitions have been created. For details, see and section "Installation Parameter Planning > Local High Availability System (SUSE Linux + Oracle + Veritas)" in the eSight Planning Guide.

Time zone and time

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

  1. Log in to the eSight server as the root user using VNC.
  2. Right-click the system GUI. In the dialog box that is displayed, click Open Terminal. In the command terminal window, run yast2 to switch to the YaST2 Control Center window.
  3. Choose System > Date and Time.

    Check whether the time and time zone on the active server are the same as those on the standby server.


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:


The operations must be performed on both the active and standby servers.

  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.
Updated: 2019-10-30

Document ID: EDOC1100044372

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