For what it's worth all of the Linux machines that I install/manage are MACHINE ESA.
On Thu, 2003-10-02 at 12:38, Post, Mark K wrote: > Something about this rings a bell. Someone recently had a problem, and the > fix was to define the Linux guest as a machine type of ESA, not XA. I can't > remember if that came up on this list, or in a private email. I'll do some > poking around and see if I can find the note. > > > Mark Post > > -----Original Message----- > From: Rich Smrcina [mailto:[EMAIL PROTECTED] > Sent: Thursday, October 02, 2003 11:11 AM > To: [EMAIL PROTECTED] > Subject: Re: Mach in user direct > > > According to z/VM 4.3 CP Planning and Administration under the MACHINE > statement of the user directory: > > XA > designates an XA virtual machine, which is functionally equivalent to an > ESA virtual machine. > > On Thu, 2003-10-02 at 07:34, Daniel Jarboe wrote: > > We are running linux images with 31 bit addressing under z/VM. The > > machine arch for our linux images has been defined by our VM sysprog as > > XA. Is there any disadvantage/advantage of this vs. ESA or some other > > architecture as far as the linux images are concerned? My initial > > thought was that the compiler/assembler may choose different > > instructions for increased effeciency depending on the architecture it's > > building for, but I don't know if there's any truth to that thought or > > if there'd even be any differences. Is there any reason to change the > > architecture, and if so, could the change have any adverse impact? > > > > Thanks, > > ~ Daniel > > > > > > > > > > > > > > ----------------------------------------------------------------------- > > > > This message is the property of Time Inc. or its affiliates. It may be > > legally privileged and/or confidential and is intended only for the use > > of the addressee(s). No addressee should forward, print, copy, or > > otherwise reproduce this message in any manner that would allow it to be > > viewed by any individual not originally listed as a recipient. If the > > reader of this message is not the intended recipient, you are hereby > > notified that any unauthorized disclosure, dissemination, distribution, > > copying or the taking of any action in reliance on the information > > herein is strictly prohibited. If you have received this communication > > in error, please immediately notify the sender and delete this message. > > Thank you. > -- > Rich Smrcina > Sr. Systems Engineer > Sytek Services - A Division of DSG > Milwaukee, WI > rsmrcina at wi.rr.com > rsmrcina at dsgroup.com > > Catch the WAVV! Stay for requirements and the free-for-all. > Update your zSeries skills in 4 days for a very reasonable price. > WAVV 2004 in Chattanooga, TN > April 30-May 4, 2004 > For details see http://www.wavv.org -- Rich Smrcina Sr. Systems Engineer Sytek Services - A Division of DSG Milwaukee, WI rsmrcina at wi.rr.com rsmrcina at dsgroup.com Catch the WAVV! Stay for requirements and the free-for-all. Update your zSeries skills in 4 days for a very reasonable price. WAVV 2004 in Chattanooga, TN April 30-May 4, 2004 For details see http://www.wavv.org
