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How to manage ONTAP 9 AutoSupport subsystem size and time budgets

Last Updated:

Applies to

  • ONTAP 9


This article provides the procedure to manage the ONTAP AutoSupport subsystem size and time budgets.

Note: For specific AutoSupport budget guidance on ONTAP 9, refer to AutoSupport can truncate on collection or delivery.

  • AutoSupport has both real-world time and size constraints.
    • As ONTAP 9 grows in functionality, so does the amount of content collected and delivered in AutoSupport messages.
    • Certain mail servers will drop e-mail messages that have exceedingly large attachments (5MB or greater), and some Web servers have file upload size limitations, too.
    • Users expect storage systems to be able to generate AutoSupport data quickly, with minimal impact on their data serving workflows, and with minimal bandwidth requirements.
  • The AutoSupport Collection Framework organizes all contents by subsystems.
    • AutoSupport enforces both time and size limits during collection to prevent subsystem content (i.e. commands, tables, and files) from not allowing other subsystem content to be collected.
    • If a subsystem exceeds its allotted budget, AutoSupport will halt the collection for that subsystem and move to the next subsystem.
  • Once the collection is finished, AutoSupport delivery budgets control the maximum size of the resulting AutoSupport compressed payload archive.
    • There are two delivery size limits: one for SMTP and the other for HTTPS.
    • If the size of an AutoSupport archive exceeds this size limit, some contents will be dropped.
      • During delivery, the content gets added to the archive in the order of priority recorded in the manifest, until the limit is reached.



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