Read this information before you save anything on your server.
Use the precheck option
Use the precheck option explains how to have the server check certain criteria on each object that you save on a library-by-library basis. This option is not required.
Choose compression type
Choose compression type explains the types of compression that are available.
Free storage when saving
Free storage when saving explains how to use the STG parameter to remove an object from your server after you save it. This only works with a limited number of commands.
Verify what the server saved
Verify what the server saved explains techniques to audit your save strategy. You will learn which objects the server saved, which objects the server did not save, and when the server last saved an object.
How the server handles damaged objects during a save operation
How the server handles damaged objects during a save operation explains how the server handles damaged objects. This information also provides you with important information on error messages that you may see during a save operation.