https://community.netapp.com/t5/ONTAP-Discussions/host-os-Domain-utilization-100-on-one-node-in-cluster/m-p/145286#M32278 <P>Hello</P> <P>&nbsp;</P> <P>I'm seeing over 100% constant CPU utilization for the host.os domain on one of the nodes in my cluster, the other node is showing 15-30%.&nbsp;</P> <P>This is a testcluster that is not used so much, and most of the load is on the second node</P> <P>Sysstat does not show any high CPU on any other domain on the node.</P> <P>I've google around to find some information about this host os domain but there seems to be little information about it</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="host.os domain.PNG" style="width: 698px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/8707i10CF57F9BD65A2D8/image-size/large?v=v2&amp;px=999" role="button" title="host.os domain.PNG" alt="host.os domain.PNG" /></span></P> <P>&nbsp;</P> Wed, 04 Jun 2025 13:03:04 GMT nilu05 2025-06-04T13:03:04Z https://community.netapp.com/t5/ONTAP-Discussions/host-os-Domain-utilization-100-on-one-node-in-cluster/m-p/145286#M32278 <P>Hello</P> <P>&nbsp;</P> <P>I'm seeing over 100% constant CPU utilization for the host.os domain on one of the nodes in my cluster, the other node is showing 15-30%.&nbsp;</P> <P>This is a testcluster that is not used so much, and most of the load is on the second node</P> <P>Sysstat does not show any high CPU on any other domain on the node.</P> <P>I've google around to find some information about this host os domain but there seems to be little information about it</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="host.os domain.PNG" style="width: 698px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/8707i10CF57F9BD65A2D8/image-size/large?v=v2&amp;px=999" role="button" title="host.os domain.PNG" alt="host.os domain.PNG" /></span></P> <P>&nbsp;</P> Wed, 04 Jun 2025 13:03:04 GMT https://community.netapp.com/t5/ONTAP-Discussions/host-os-Domain-utilization-100-on-one-node-in-cluster/m-p/145286#M32278 nilu05 2025-06-04T13:03:04Z