Can I modify the persistence store path while the cache is running?

No. It is a critical prerequisite to stop the cache before modifying persistence store settings. Updating the connection string while the cache is active can lead to data inconsistency or failure in asynchronous persistence tasks.

What is the importance of testing the connection after modification?

The 'Test Connection' feature validates that all cluster nodes have the necessary read/write permissions to the specified UNC path. This prevents service startup failures and ensures that NCache can successfully perform data durability operations like enqueuing and de-queuing cache items.

Do I need to restart the cache after modifying the persistence store connection string?

Yes, after modifying the connection string for the persistence store, the cache must be stopped and then restarted. This ensures that the updated connection settings are applied and that the cache can continue to use the correct persistence store for backing up cached data.

Persistence Store Information

The NCache Distributed Cache with Persistence enables you to back up cached data to a Persistence Store, ensuring data durability. In cases where the location of the Persistence Store changes, you can modify the connection string for the configured Persistence Store. This includes updating details such as UNC paths, credentials, and authentication settings. This page outlines the steps to modify the store information for NCache Persistence, ensuring continuous access to your backed-up data without the need to recreate the entire cache configuration.

Using the NCache Management Center

Launch the NCache Management Center by browsing to http://localhost:8251 or <server-ip>:8251.
In the left navigation bar, click on Clustered Caches or Local Caches, based on the cache for which you need to configure the settings. Against the cache name, click on View Details.

Important

Ensure that the cache is stopped before proceeding.

NCache Management Center showing the 'View Details' button for a cache configuration in the Clustered Caches or Local Caches section.

This opens the detailed configuration page for the cache. Go to the Advanced Settings tab and click on Persistence Settings in the left bar.
Click on the Modify button and you will be redirected to a new page to update the connection information.

NCache Management Center showing the 'Advanced Settings' tab with the 'Persistence Settings' option highlighted for modifying the persistence store configuration.

On the Modify Connection String page, you can modify the connection information of your store. In particular, you can specify the UNC Path, User Name, and Password and then click Test Connection. If the connection to your Persistence Store has been successfully tested, you will receive a success notification.

Modify Connection String page in NCache Management Center, showing options to update the UNC path, username, and password for the persistence store. Includes the 'Test Connection' button.

Click Finish and you will be prompted for confirmation. Click OK and the connection string of your Persistence Store will be modified.

Confirmation prompt in NCache Management Center after modifying the persistence store connection string, asking the user to confirm the changes.

Click on Save Changes present at the bottom of the page to apply this configuration to your cache.
Start the cache to resume operations.

Persistence Store Information

Using the NCache Management Center

Important

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