i have the following question. I want to exclude the san from the performance issue so i checked the interface errors en discards but no errors and discards found(or few). Further i checked in Device Manager the FC Enabled ports with the monitor option. I have checked the tabs Traffic, Protocol, Discards, Link Errors, Frame errors, Class 2 traffic, Class 2 errors. I have no clue what is normal under these errors and what definitely not.
does anyone have an idea ?
I have seen a lot of InvalidTXwords under Link errors. Is this normal ?
InvalidTXwords mean that we are receiving corrupt frames into the switch and the transitionfrom0 means that the switch had gotten down to having 0 BB credits left to send data to that device since it was not replenishing the BB credits. More than likely that is because there is a physical layer problem here and the data is getting mangled. Start with replacing the cable, then the sfp's, and then the HBA. Do one at a time and give it some time and monitor these 2 statistics to see if they decline.
what do you mean with frames are lost. in my opinion out of bbcredit means that the buffer is full because the frames can be switched for some reason (long distance). where do you mean the frames are lost ?
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