DASD I/O performance VM 44 vs. VM 52

2006-03-15 Thread Stefan Raabe
Hello, from a Linux point of view, will a VM 5.2 give significant better dasd I/O performance than a VM 4.4 system? I tried to find some values in the z/VM performance report, of course it is better but its hard to find hout how much (10%, 20%, 50%, .. ? ?) because most comparison is

Re: VM/ESA 2.4 under z/VM 5.x

2006-03-15 Thread Mark D Vandale
We had a VM/ESA 2.4 system running as a guest under z/VM 5.1on a z800 z890. No problems. Thanks, Mark Vandale MCS z/VM Team Lead Office: (860) 823-2756 Cell:(860) 705-1657 CSC

Re: DASD I/O performance VM 44 vs. VM 52

2006-03-15 Thread Rob van der Heij
On 3/15/06, Stefan Raabe [EMAIL PROTECTED] wrote: I now read about the emulated FBA on SCSI that cones with vm 5.1 which gives some improvement in comparison with vm44, but there are no more i/o improvements in the vm 5.1 performance report. You don't want to do FBA emulation on SCSI if

Re: ITO parameterfor LPR link

2006-03-15 Thread Horlick, Michael
Hello Les, Thanks for the explanation. I see for ITO the possibilities are : You can specify the following nnn values: 0 If specified, the link will be deactivated when there is no activity on the link. RSCS will first send files that are queued for transmission, or finish reception of the

Re: VM/ESA 2.4 under z/VM 5.x

2006-03-15 Thread Dan Andrada
Thanks for the input everyone! We're looking at getting off our 9221 box running VM/ESA 2.4 and VSE/ESA 2.6.3. We have merely two VSE guest machines and just a handful of programmers that use CMS for developemnt purposes. No Linux, no productio n VM guest machines other than the VSE guests.

Re: Calling an assembler function from REXX

2006-03-15 Thread Norman Graessle
Am interested in REXX calling Assembler.

Re: VM/ESA 2.4 under z/VM 5.x

2006-03-15 Thread David Kreuter
Hi Dan: Although you will have a great boost in performance power be careful about the performance expectations of your 3rd level VSE guests. Each time the VSE guest is dispatched you will be running a SIE under SIE (virtual machines are always dispatched in processing mode known as emulation

Re: Calling an assembler function from REXX

2006-03-15 Thread Dave Jones
Hi, Norman. I can help you out with that..what exactly are you interested in doing? DJ Norman Graessle wrote: Am interested in REXX calling Assembler.