Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

To enable I/O statistics collection
Enter the following command:
# vxtune vol_stats_enable 1
To enable DMP I/O statistics collection
Enter the following command:
# vxdmpadm iostat start
See the vxdmpadm(1M) manual page.
Performance monitoring and tuning
Tuning VxVM
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