UPS management

Data ONTAP enables you to register and monitor the status of Uninterruptible Power Supply (UPS) devices you are using with your storage system. In addition, you can configure the timing of certain Data ONTAP events when a power loss occurs.

For more information about the ups command, see the na_ups(1) man page.

• The UPS shutdown options
  Data ONTAP provides two configurable values, warningtime and criticaltime, to help you manage your storage system in case of a power outage.
• The UPS shutdown process
  When a power loss occurs, the UPS device begins supplying power to your storage system from its batteries. The UPS can only supply power as long as its batteries still have enough charge. The UPS is there to give you time to shut down your storage system cleanly.
• Factors that might influence UPS shutdown event timing for your environment
  The factors that can affect shutdown event timing include the UPS battery availability, the storage system workload, and your company policies and procedures