3PAR InForm® OS 2.3.1 CLI Administrator's Manual (320-200180 Rev B, February 2010)

16.12
Tuning Physical Disks
3PAR InForm CLI Administrator’s Manual InForm OS Version 2.3.1
◆ <vvlayout> specifies that the layout of the virtual volume is displayed.
◆ <chstat> specifies that chunklet statistics are displayed.
◆ <movech> specifies that if any disks with unbalanced loads are detected, the chunklets
are moved from those disks for load balancing
◆ <auto> specifies that the system automatically chooses source and destination
chunklets.
◆ <avgsvct> specifies the average service time threshold in milliseconds.
For more information about viewing system performance statistics, see Chapter 12, Viewing
Statistics and Histograms. For more information about how the InServ Storage Server manages
space usage, see the 3PAR InForm OS Concepts Guide.