Skip to main content
NetApp adopts Microsoft’s Business-to-Customer (B2C) Identity Management
Effective December 3 - NetApp adopts Microsoft’s Business-to-Customer (B2C) identity management to simplify and provide secure access to NetApp resources. For accounts that did not pre-register (prior to Dec 3) access to your NetApp data may take up to 1 hour as your legacy NSS ID is synchronized to the new B2C identity. To learn more, Read the FAQ and Watch the video. Need assistance? Complete this form and select “Registration Issue” as the Feedback Category. 
NetApp Knowledge Base

High CPU utilization with many concurrent 'block ownership' scanners

Views:
242
Visibility:
Public
Votes:
0
Category:
data-ontap-7
Specialty:
perf
Last Updated:

Applies to

ONTAP 8.1 7-Mode

Issue

  • Transition (TDP) replication from 7-mode to C-mode is slow.
  • There are many background processes running such as: NDMP, schedule snapshots and snapmirror.
  • WAFL scans are taking a lot of CPU time in wafl_exempt and causing delays for "Kahuna" domain to run. 
  • The Kahuna is a Serialized WAFL and on an average it is more than 80% utilized.

 

CUSTOMER EXCLUSIVE CONTENT

Registered NetApp customers get unlimited access to our dynamic Knowledge Base.

New authoritative content is published and updated each day by our team of experts.

Current Customer or Partner?

Sign In for unlimited access

New to NetApp?

Learn more about our award-winning Support