Home > Storage > ObjectScale and ECS > Product Documentation > Dell ECS with Commvault: Configuration and Best Practices > Storage policy
The storage policy contains several tuning parameters as well. Commvault recommends the following values. Verify that the storage policy contains the recommended values on the Data Paths tab under MediaAgent properties.
Commvault recommends using a 4 GB chunk size if cloud connectivity is through a high-speed network of about 1 GB/s or higher.
Commvault recommends using a 1024 KB block size if cloud connectivity is through a high-speed network of about 1 GB/s or higher.