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Refer to the following steps to upgrade SCS for CentOS 7:

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 ... #SELINUX=enforcing SELINUX=disabled ... 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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