Considerations and restrictions for the save-while-active function

The save-while-active function will affect important aspects of your server such as performance, auxiliary storage, and commitment control. The pages that follow contain considerations and restrictions in regard to these aspects of your server.

The pages that apply to you depend on whether you are reducing or eliminating your save-outage time.

Use dynamic device allocation to allocate tape drives more efficiently.

• Performance considerations for save-while-active
  
• Storage considerations for save-while-active
  
• Save-while-active restrictions
  
• Save-while-active object locking rules
  
• Restrictions for commitment control with save-while-active
  
• Save to multiple devices to reduce your save window
  Use these save methods to decrease your save window by saving to multiple devices.