Applies to: 
Kyvos Enterprise Kyvos Cloud (SaaS on AWS) 
Kyvos AWS Marketplace
Kyvos Azure Marketplace Kyvos GCP Marketplace Kyvos Single Node Installation (Kyvos SNI)
Rollback Kyvos Manager and Kyvos
You can roll back patches or upgrade deployments to previously installed versions through the Kyvos Manager portal.
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Important points
For enforcing free disk space for the required partition, see the Verifying free disk space for partition section.
For Azure, before upgrading, it is recommended that you remove the previously installed Jar files from Databricks to prevent overwriting or corruption of Jar files.
For AWS, the restoration process for the external repository RDS has been automated, eliminating the need for manual intervention.
For AWS, if Kyvos is using an external repository RDS as its repository, before initiating a Kyvos rollback, ensure that the 'UsedBy' tag with a value of 'Kyvos' is added to the RDS subnet/security group used for creating the database instance, if it has not already been added.
In case of a Rollback, the previous state of Kyvos is restored. In case you made any entity-specific modifications like changes to the semantic model design, registered files, users, etc., Kyvos recommends the designers/Admins create a cab as a backup before rollback and import the cab file to the rolled-back version.
Process operations cannot be persisted.
If you roll back to a Kyvos Manager process that supports Derby as its repository, any operations, such as audits, events, or other activities (like users add, import, delete, and update) performed using Kyvos Manager build 2023.1 and onwards will NOT be available when you rollback to a Kyvos Manager release previous to 2023.1.
The rollback operation will take some time to initiate.
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Kyvos
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rollback to earlier releases not supporting Flexible server:
Post Kyvos rollback, configure the single server in Kyvos through the switch repository of Kyvos Manager. The application automatically handles the single server being configured. It must have the same compatible state of the database with the Kyvos release to which rollback is performed.
A change in the user name will be required while configuring a single server in the system as it requires appending the server name to the username.
Kyvos Rollback
You can roll back patches or upgrade deployments to previously installed versions from the Kyvos Manager portal. To do this, simply select the required version from the Kyvos Manager to easily revert both the Kyvos and Kyvos Manager applications to a newer version.
To roll back the cluster deployment to a previous version, perform the following steps.
Create a manual backup of your existing cluster using the steps explained in the Upgrading Kyvos Manager and Kyvos /wiki/spaces/KD202411/pages/268642028 section.
On the navigation pane, click Application Update > Rollback.
The Rollback page is displayed.
To roll back the cluster deployment to a previous version, select Kyvos from the Rollback list.
Click the Select rollback state link . From the displayed dialog box, and the dialog box is displayed.
Use the dialog box to choose the state to which you want to roll back. You can use the search box to Search for a specific version, or view Operation Details using the corresponding link.operation details by clicking the View Details link. The selected rollback version is displayed. You can change the rollback at any point in time by clicking the Change rollback state link.
The Backup Path path shows the path used for creating/restoring a backup of Kyvos states in case of Deploy Upgrade and Deploy Patch/Rollback operations. The backup path should be consistent across all the available systems. You can edit this path using the Modify Change Backup Path option from the three-dots menu. A ny Any backup created prior to changing the path remains unaffected and will continue to be available at the same location.
Click the Rollback Now button from the top-right of the page.
On the displayed confirmation message box, select the Start Kyvos Service checkbox to start the service automatically after rollback.
Enter your Kyvos Manager Password to confirm the rollback. Kyvos takes you to the Operations page followed by the Rollback Logs details page.
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Deleting Kyvos upgrade and patch bundles
During Kyvos upgrade and patch processes, the oldest backup bundle will be deleted automatically to retain the newest bundles within the specified limit. Suppose you choose to preserve 6 bundles out of 10 available. In this case, only the 6 most recent bundles will be saved, and the remaining 4 bundles will be deleted. The oldest of these 4 bundles, based on the date they were created, will be deleted first.
To delete a previous state of rollback, use the Manage Backup Bundles option from the three-dots menu.
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In the Preserve Backup Bundles list, set the count to retain the bundles.
Points to know
If the number of bundles present exceeds the preserved count, the remaining bundle will be automatically selected, indicating that it will be deleted.
If the number of bundles equals the retention count, no bundles will be deleted.
Bundles can only be deleted by changing the preserve count. Selecting them for deletion is disabled and unsupported.
If the latest backup bundle is a Patch, then the most recent Kyvos bundle will also be preserved.
The backup bundles which are created for failed Kyvos upgrade or failed Patch operations will also be there in the list to delete.
Restoring to Derby State of Kyvos Manager or Kyvos
You can restore the Derby-compatible version of Kyvos, or the Kyvos Manager process that is prior to Kyvos 2023.1.
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Info If you restore a previous version of Kyvos Manager or Kyvos, any data that was added or performed in Kyvos Manager after switching to Postgres (starting with Kyvos 2023.1) - such as audits, operations, users, and alerts - will be lost. |
You must perform the following manual steps to perform a Kyvos, or Kyvos Manager process rollback:
Change the JDBC URL in the jdbc.properties to a Derby-specific URL. To do this, you must rename the existing jdbc.properties (using Postgres as a repository) to the jdbc.properties.postgres and then rename the existing jdbc.properties.derby to jdbc. properties.
NOTE: The files are located at: kyvosmanagerdata/server/db/In addition, if the bundled Postgres is used as the Kyvos Manager repository, it is necessary to move the Postgres folder inside Kyvos on each node of the cluster from its current location parallel to Kyvos.
To switch back to the old Derby-compatible version of Kyvos Manager, first stop the current Postgres, which is supported as the Kyvos Manager process repository.
If a Kyvos rollback is also required, then perform it using the Derby-compatible Kyvos Manager only. Also, ensure that you perform Step 3.