Hi Aaron, No … just plain old ethernet. Thanks!
Kevin — Kevin Buterbaugh - Senior System Administrator Vanderbilt University - Advanced Computing Center for Research and Education kevin.buterba...@vanderbilt.edu<mailto:kevin.buterba...@vanderbilt.edu> - (615)875-9633 On Sep 27, 2018, at 11:03 AM, Aaron Knister <aaron.s.knis...@nasa.gov<mailto:aaron.s.knis...@nasa.gov>> wrote: Kevin, Is the communication in this case by chance using IPoIB in connected mode? -Aaron On 9/27/18 11:04 AM, Buterbaugh, Kevin L wrote: Hi All, 2018-09-27_09:48:50.923-0500: [E] The TCP connection to IP address 1.2.3.4 some client <c0n509> (socket 442) state is unexpected: ca_state=1 unacked=3 rto=27008000 Seeing errors like the above and trying to track down the root cause. I know that at last weeks’ GPFS User Group meeting at ORNL this very error message was discussed, but I don’t recall the details and the slides haven’t been posted to the website yet. IIRC, the “rto” is significant … I’ve Googled, but haven’t gotten any hits, nor have I found anything in the GPFS 4.2.2 Problem Determination Guide. Thanks in advance… — Kevin Buterbaugh - Senior System Administrator Vanderbilt University - Advanced Computing Center for Research and Education kevin.buterba...@vanderbilt.edu<mailto:kevin.buterba...@vanderbilt.edu> <mailto:kevin.buterba...@vanderbilt.edu> - (615)875-9633 _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org<http://spectrumscale.org> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgpfsug.org%2Fmailman%2Flistinfo%2Fgpfsug-discuss&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C639e397dfb514469f48d08d62492c8a2%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636736610191929732&sdata=GE1IIRL77bjWiFaa2%2FpV68sPtXJNUrtGPrc68GsOrtg%3D&reserved=0 -- Aaron Knister NASA Center for Climate Simulation (Code 606.2) Goddard Space Flight Center (301) 286-2776 _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org<http://spectrumscale.org> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgpfsug.org%2Fmailman%2Flistinfo%2Fgpfsug-discuss&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C639e397dfb514469f48d08d62492c8a2%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636736610191929732&sdata=GE1IIRL77bjWiFaa2%2FpV68sPtXJNUrtGPrc68GsOrtg%3D&reserved=0
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