We recommend that you use SYSSTC as the WLM Service Class for the CA Vtape Started Tasks or at least a Service Class with dispatching priority above TSO and Batch workloads.
If you intend to write database logs or online transaction files for applications that run with very high WLM service classes to CA Vtape Virtual Volumes, setting CA Vtape to the same WLM Service Class would be recommended to ensure the offload occurs as quickly as possible. If CA Vtape is running in a class lower than the database or online application, activity by applications in higher classes could prevent CA Vtape from performing the offload quickly. This could result in the database of online application having to wait longer for the offload to complete.
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