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For High Availability systems: Preparing the cluster for patching

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Updated on April 12, 2022

If you are performing an in-place patch, you can skip this section.
  1. Log in as a user with the PegaRULES:HighAvailabilityAdministrator role.
  2. Specify that a Zero downtime patch is in progress by setting the dynamic system setting ZeroDowntimeUpgradeInProgress to true.
    1. Search for the dynamic system setting, ZeroDowntimeUpgradeInProgress, and edit it.
    2. In the Value field, enter true.
    3. Click Save.
  3. Configure the HA cluster setting to support automatic rule migration:
    1. In the header of Dev Studio, click ConfigureSystemHigh AvailabilityHA Cluster Settings.
    2. Check Cluster updating – Disable saving of rules.
      Note: The Cluster updating – Disable saving of rules setting works in conjunction with the ZeroDowntimeUpgradeInProgress rule to enable rule saving in this configuration.
    3. Click Submit.
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