How about processors (z15/z16)? On Thu, Mar 28, 2024 at 7:30 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. If you are not the intended recipient, any disclosure, copying, > distribution or use of the contents of this information is prohibited. Please > reply to the message immediately by informing the sender that the message was > misdirected. After replying, please erase it from your computer system. Your > assistance in correcting this error is appreciated. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
-- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
