How to find TX and RX strength?


 
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Operating Systems AIX How to find TX and RX strength?
# 1  
Old 09-28-2010
[SOLVED] How to find TX and RX strength?

I have an AIX server running 6.1. My SAN switch is reporting that it is only receiving 5.9 uWatts (micro watts) and it should be well over 100 uWatts. How can I see the transmit strength of my fiber card from within AIX? I have Emulex fiber cards.

Last edited by kah00na; 09-28-2010 at 06:09 PM..
# 2  
Old 09-28-2010
IBM support provided a efc_power program to measure the transmit (TX) and RX (receive) strength. They stated it works with most Emulex fiber cards. If a server reports the TX less than -10, then the card is probably bad. If the RX is less than -10, then cabling or the SAN port is probably bad.

Quote:
hostname:/:$ efc_power /dev/fscsi0
TX: 0bee -> 0.3054 mW, -5.15 dBm
RX: 0cc8 -> 0.3272 mW, -4.85 dBm
hostname:/:$
I'll attempt to attach the program.
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