Performance and virt-manager connectivity issue started with KVM guests after RHEL6.1 host hardening.

Solution Verified - Updated -

Issue

  • Performance and virt-manager connectivity issue started with KVM guests after RHEL6.1 host hardening.

1) Login issue: using ssh tooks much time connect to host & VMs.

2) Application Issue: Apache running on VM - access to that url taking much time.

3) In Host: Not able to take the VM's console through Virtual manager- Issue is virt-manager is in hanged state,even reboot not solving the issue.

Environment

  • Red Hat Enterprise Linux 6.1
  • KVM

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