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-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Bruce
Hayden
Sent: Monday, August 10, 2015 12:02 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Suggestion on improving FTP large file
, August 10, 2015 12:02 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Suggestion on improving FTP large file transfer
Start out by looking at the Network tuning presentation on this page:
http://www.ibm.com/developerworks/linux/linux390/perf/tuning_networking.html
It has suggestions for tuning
-395-1509
Cell917-903-0102
-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of
Bruce Hayden
Sent: Monday, August 10, 2015 12:02 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Suggestion on improving FTP large file transfer
Start out by looking
On Tuesday, 08/11/2015 at 03:06 EDT, Bruce Hayden bjhay...@gmail.com
wrote:
According to the document, TSO only applies if the OSA connection is
layer 3 and directly attached (so dedicated under z/VM.) Ignore this
since
you are using a vswitch.
The VSWITCH does not virtualize the TSO function
@VM.MARIST.EDU] On Behalf Of Bruce
Hayden
Sent: Tuesday, August 11, 2015 3:05 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Suggestion on improving FTP large file transfer
According to the document, TSO only applies if the OSA connection is layer 3
and directly attached (so dedicated under z/VM
Start out by looking at the Network tuning presentation on this page:
http://www.ibm.com/developerworks/linux/linux390/perf/tuning_networking.html
It has suggestions for tuning the networking on Linux for these types of
transfers.
On Mon, Aug 10, 2015 at 10:45 AM, Vitale, Joseph
Hello,
We have approximately 30Gb to FTP, zLinux to zOS. Would like to improve FTP
timing but found TCP Receive Socket window default/max is 32Mb.
Also, Send Socket window default/max is 32 Mb. Window scaling is enabled.
Have not checked zOS Blocksize or number of extents.
Not
