VERITAS Volume Manager 4.1 Administrator's Guide

Administering Dynamic Multipathing (DMP)
Administering DMP Using vxdmpadm
Chapter 3 137
Examples of Using the vxdmpadm iostat Command
The follow is an example session using the vxdmpadm iostat command. The first command
enables the gathering of I/O statistics:
# vxdmpadm iostat start
The next command displays the current statistics including the accumulated total numbers of
read and write operations and kilobytes read and written, on all paths:
# vxdmpadm iostat show all
cpu usage = 7952us per cpu memory = 8192b
OPERATIONS KBYTES AVG TIME(ms)
PATHNAME READS WRITES READS WRITES READS WRITES
c0t0d0 1088 0 557056 0 0.009542 0.000000
c2t118d0 87 0 44544 0 0.001194 0.000000
c3t118d0 0 0 0 0 0.000000 0.000000
c2t122d0 87 0 44544 0 0.007265 0.000000
c3t122d0 0 0 0 0 0.000000 0.000000
c2t115d0 87 0 44544 0 0.001200 0.000000
c3t115d0 0 0 0 0 0.000000 0.000000
c2t103d0 87 0 44544 0 0.007315 0.000000
c3t103d0 0 0 0 0 0.000000 0.000000
c2t102d0 87 0 44544 0 0.001132 0.000000
c3t102d0 0 0 0 0 0.000000 0.000000
c2t121d0 87 0 44544 0 0.000997 0.000000
c3t121d0 0 0 0 0 0.000000 0.000000
c2t112d0 87 0 44544 0 0.001559 0.000000
c3t112d0 0 0 0 0 0.000000 0.000000
c2t96d0 87 0 44544 0 0.007057 0.000000
c3t96d0 0 0 0 0 0.000000 0.000000
c2t106d0 87 0 44544 0 0.007247 0.000000
c3t106d0 0 0 0 0 0.000000 0.000000
c2t113d0 87 0 44544 0 0.007235 0.000000
c3t113d0 0 0 0 0 0.000000 0.000000
c2t119d0 87 0 44544 0 0.001390 0.000000