There is, but same for all lpars involved. Dave Jousma Vice President | Director, Technology Engineering
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Joe Monk <000005971158733e-dmarc-requ...@listserv.ua.edu> Date: Thursday, March 28, 2024 at 9:12 AM To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> Subject: Re: Slow FTP's Is there a firewall or switch in the path? Joe On Thu, Mar 28, 2024 at 8: 03 AM Jousma, David < 000001a0403c5dc1-dmarc-request@ listserv. ua. edu> wrote: > Joe, > > I had not, just did, worse yet > > EZA1485I 12902400 bytes Is there a firewall or switch in the path? Joe On Thu, Mar 28, 2024 at 8:03 AM Jousma, David < 000001a0403c5dc1-dmarc-requ...@listserv.ua.edu> wrote: > Joe, > > I had not, just did, worse yet > > EZA1485I 12902400 bytes transferred - 10 second interval rate 1281.27 > KB/sec - Overall transfer rate 1281.27 KB/sec > EZA1485I 21381120 bytes transferred - 10 second interval rate 838.65 > KB/sec - Overall transfer rate 1059.52 KB/sec > EZA1485I 29491200 bytes transferred - 10 second interval rate 791.23 > KB/sec - Overall transfer rate 969.15 KB/sec > > Dave Jousma > Vice President | Director, Technology Engineering > > > > > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf > of Joe Monk <000005971158733e-dmarc-requ...@listserv.ua.edu> > Date: Thursday, March 28, 2024 at 8:56 AM > To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> > Subject: Re: Slow FTP's > Have you tried MODE S (streaming) and TYPE E? Joe On Thu, Mar 28, 2024 at > 7: 31 AM Jousma, David < 000001a0403c5dc1-dmarc-request@ listserv. ua. > edu> wrote: > All, > > Grasping at straws here, IBM support center is > baffled too. > > > > Have you tried MODE S (streaming) and TYPE E? > > > > Joe > > > > On Thu, Mar 28, 2024 at 7:31 AM Jousma, David < > > 000001a0403c5dc1-dmarc-requ...@listserv.ua.edu> wrote: > > > > > All, > > > > > > Grasping at straws here, IBM support center is baffled too. > > > > > > To clone z/OS maintenance to various disconnected sysplex’s I do a DFDSS > > > dump, and FTP it everywhere it needs to be. Its roughly a 50Gb file > > > transfer. There is some environmental issue causing slow file transfers > to > > > some systems (40mb’s a sec) and fast file transfers (150Mb/sec) to other > > > systems on the same CEC. With IBM support help, we’ve narrowed down > the > > > problem to the specification of MODE B and EBCDIC on the transfer since > it > > > is a DSS dump. Remove those, and the transfer is fast on the slow > > > systems, and still fast on the fast systems. Obviously that isn’t a > > > solution though. > > > > > > So, we are a GDPS shop. The oddity is that all the “fast” transfers are > > > to the K systems(control systems), and all the “slow” transfers are to > the > > > traditional application systems. TEST, DEV, PROD makes no difference, > nor > > > does LPAR busy or not busy. > > > > > > It seems there is something configured differently on the “slow” systems > > > that is affecting mode b, ebcdic file transfers, but for the life of me, > I > > > cannot put my finger on what, nor can the support center, except that the > > > issue is at the remote end, in that the OS cannot offload the data fast > > > enough, so TCPIP/FTP is slowing the transfer pace. > > > > > > A virtual adult beverage of choice to the one that can point in a > > > direction to look…. > > > > > > > > > Dave Jousma > > > Vice President | Director, Technology Engineering > > > > > > > > > > > > > > > > > > This e-mail transmission contains information that is confidential and > may > > > be privileged. It is intended only for the addressee(s) named above. If > > > you receive this e-mail in error, please do not read, copy or disseminate > > > it in any manner. 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