Configuring the Multi-Version Cluster Mechanism

Description

This command changes the state of the Multi-Version Cluster (MVC) Mechanism - enable or disable it.

Important:

  • The MVC Mechanism is disabled by default.

  • For limitations of the MVC Mechanism, see the R81 Installation and Upgrade Guide > Chapter Upgrading Gateways and Clusters > Section Upgrading ClusterXL, VSX Cluster, VRRP Cluster > Section Multi-Version Cluster Upgrade.

Syntax

Shell

Command

Gaia Clish

set cluster member mvc {off | on}

Expert mode

cphaconf mvc {off | on}

Parameters

Parameter

Description
off

Disables the MVC Mechanism on this Cluster Member.
on

Enables the MVC Mechanism on this Cluster Member.

Notes:

  • This command does not provide an output. To view the current state of the MVC Mechanism, see Viewing the State of the Multi-Version Cluster Mechanism.

  • The change made with this command survives reboot.

  • If a specific scenario requires you to disable the MVC Mechanism before the first start of an R81 Cluster Member (for example, immediately after an upgrade to R81), then disable it before the first policy installation on this Cluster Member.