Appendix A. Performance data and statistics gathering 749
You can also display a Node Comparison by selecting the same information as for the cluster, 
and then switching the button, as shown in Figure A-1 and Figure A-2.
Figure A-1   IBM Spectrum Virtualize Dashboard displaying System performance overview
Figure A-2 shows the display after switching the button.
Figure A-2   IBM Spectrum Virtualize Dashboard displaying Nodes performance overview
You can also use real-time statistics to monitor CPU utilization, volume, interface, and MDisk 
bandwidth of your system and nodes. Each graph represents 5 minutes of collected statistics 
and provides a means of assessing the overall performance of your system.
The real-time statistics are available from the IBM Spectrum Virtualize GUI. Click 
Monitoring → Performance (as shown in Figure A-3) to open the Performance Monitoring 
window.
Figure A-3   Selecting performance pane in the monitoring menu