In order to check how much data throughput speed from your FC connections of AIX servers to any san attached storage
1. Identify any filesystem , created on any vg residing on SAN disks ( let say /data1)
2. time dd if=/dev/zero of=/data1/testfile bs=32768 count=30000
It will create around 10 GB file in /data1 so make sure you have enough space there. After getting value of time period required to copy such file , you can divide this size by time to get the data transfer speed in Mb/Sec.
For example , if real time value returned by time command output results around 1 min so value of data transfer would be 10x1024/60= 170 Mb/sec.
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