Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-17 Thread Rob van der Heij
On 15 June 2013 17:58, Ron Foster ron.fos...@baldor.abb.com wrote: Rob, The traffic is between our Sap application servers running under zvm. I'm surprised the traffic would be that impressive. Normally I see bandwidth requirements with SAP for the transport data via NFS. For the real

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-15 Thread Rob van der Heij
On 13 June 2013 23:58, Ron Foster ron.fos...@baldor.abb.com wrote: 3. One of the things that the TCP IP folks want us to do on the hardware side is to increase the maximum frame size to 64k. for this hipersocket. 4. This would normally increase the MTU size to 56k for the hipersocket. 5. If

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-15 Thread Ron Foster
...@gmail.com] Sent: Saturday, June 15, 2013 2:05 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Appropriate hipersocket MFS size for use with SAP Apps Servers On 13 June 2013 23:58, Ron Foster ron.fos...@baldor.abb.com wrote: 3. One of the things that the TCP IP folks want us to do on the hardware side

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-14 Thread David Boyes
3. One of the things that the TCP IP folks want us to do on the hardware side is to increase the maximum frame size to 64k. for this hipersocket. 4. This would normally increase the MTU size to 56k for the hipersocket. 5. If I remember properly the 56k value would exceed the SAP

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-14 Thread Leland Lucius
On 6/13/2013 2:28 PM, Ron Foster wrote: Anyone have any experience running SAP apps servers under z/vm with a larger than 8k MTU size? We run with a 16K MFS and an 8K MTU. Like you, we use a single hipersocket CHPID. However, we're still on z/OS 1.12 with plans to upgrade to z/OS 1.13

Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-13 Thread Ron Foster
Hello listers, We have a bunch of SAP application servers running under z/vm. They are all pointed at the same z/os 1.13 system. There are several DB2s running on this z/OS system. All the Apps servers are using the same hipersocket chpid to communicate to the z/os system the same

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-13 Thread Alan Altmark
On Thursday, 06/13/2013 at 03:29 EDT, Ron Foster ron.fos...@baldor.abb.com wrote: We have a bunch of SAP application servers running under z/vm. They are all pointed at the same z/os 1.13 system. There are several DB2s running on this z/OS system. All the Apps servers are using the same

Re: Appropriate hipersocket MFS size for use with SAP Apps Servers

2013-06-13 Thread Ron Foster
From: Linux on 390 Port [LINUX-390@VM.MARIST.EDU] on behalf of Alan Altmark [alan_altm...@us.ibm.com] Sent: Thursday, June 13, 2013 3:29 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Appropriate hipersocket MFS size for use with SAP Apps Servers On Thursday, 06/13/2013 at 03:29 EDT