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Important

This document is intended to provide upgrading steps for SCS 1.7.1 for CentOS only. If you are planning to migrate from CentOS 7 to Rocky Linux 8,

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refer to

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Migrating Swarm Components from CentOS 7 to Rocky Linux 8.

Directly upgrading from SCS 1.2 to SCS 1.3 is not supported, but this limitation is removed starting with SCS 1.4. Swarm supports upgrading from SCS 1.1, 1.2, or 1.3 to SCS 1.4 and booting from Storage bundle v15.0 with multicast disabled.

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  1. Disable the SELinux.

    1. Check if SELinux is enabled or disabled. In a default RL8 installation, it will be Enforcing. However, if it is already disabled, skip to step 2.

      Code Block
      getenforce

    2. Disable SELinux, by editing the /etc/selinux/config file, commenting out the line SELINUX=enforcing or SELINUX=permissive, and adding the line SELINUX=disabled. Then reboot the server after saving the file.

      Code Block
      vi /etc/selinux/config
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#SELINUX=enforcing
SELINUX=disabled
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reboot

  2. If static IP addresses were previously assigned using instance level node.cfg overrides , this need to be removed prior to upgrading. This procedure is fully explained in Configuring Swarm for Static IPs with Swarm Cluster Services (SCS). Static IPs can be defined using the procedure explained in Configuring Swarm for Static IPs with Swarm Cluster Services (SCS) .

  3. Install the new RPM.

    Code Block
    rpm -Uvh swarm-scs-[version].x86_64.rpm

  4. Run the following command.

    Code Block
    scsctl diagnostics upgrade_check

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