Re: Shark Retiring

2008-12-08 Thread O'Brien, David W. (NIH/CIT) [C]
What would be the minimum acceptable value for CYCLES(x) to ensure data was not retrievable? From: The IBM z/VM Operating System [EMAIL PROTECTED] On Behalf Of Aria Bamdad [EMAIL PROTECTED] Sent: Monday, December 08, 2008 10:36 AM To: IBMVM@LISTSERV.UARK.

Re: Performance problem Linux under Zvm

2008-03-21 Thread O'Brien, David W. (NIH/CIT) [C]
Thank you to all who have responded. What follows is the latest feedback from the person tasked with fixing this problem: Today we were able to re-allocate 512m of central storage to the Linux guests. This will place us comfortably below the 2gig available for VM. We performed this by a shut

Re: Performance problem Linux under Zvm

2008-03-21 Thread O'Brien, David W. (NIH/CIT) [C]
I made the mistake of believing what I was told. cp q storage 05:57:21 STORAGE = 2G Ready; T=0.01/0.01 05:57:21 cp q virtual storage 05:57:35 STORAGE = 128M Ready; T=0.01/0.01 05:57:35 cp q srm 06:01:42 IABIAS : INTENSITY=90%; DURATION=2 06:01:42 LDUBUF : Q1=100% Q2=75% Q3=60% 06:01:42 STORBUF:

Re: Performance problem Linux under Zvm

2008-03-20 Thread O'Brien, David W. (NIH/CIT) [C]
ssage- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of O'Brien, David W. (NIH/CIT) [C] Sent: Thursday, March 20, 2008 1:37 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Performance problem Linux under Zvm Our shop is new to Zvm and Linux. We have a very small number of L

Re: Performance problem Linux under Zvm

2008-03-20 Thread O'Brien, David W. (NIH/CIT) [C]
55905 /( )\ -^^-^^ "In theory, theory and practice are the same, but in practice, theory and practice are different." On 3/20/08 12:36 PM, "O'Brien, David W. (NIH/CIT) [C]" <[EMAIL PROTECTED]> wrote: > Our shop is new to Zvm and Linu

Performance problem Linux under Zvm

2008-03-20 Thread O'Brien, David W. (NIH/CIT) [C]
Our shop is new to Zvm and Linux. We have a very small number of Linux users who are reporting significant response time problems. It almost seems as if each stops running for a period of time and is then re-dispatched. Is there a VM parameter that we might have taken the default on that needs