Ed,
One thing you'll probably want to do is cap the use of both central and
expanded storage by MDC. If I read it correctly, MDC is taking nearly 800M
of your V=V space (49% of 1600M according to Q MDC) for a benefit of about 1
avoided I/O per second (second line of IND LOAD).
Marty
-----Original Message-----
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Edward M. Martin
Sent: Wednesday, May 24, 2006 12:02 PM
To: [email protected]
Subject: Re: z/VM 5.2 on z800 with 8G of memory
Hello Everyone,
Thank you all for the info about XSTORE, paging, MDC, and the
like.
I would like your opinions on what I am doing planning right now.
We are running a MP3000 with 2gig total, no Xstore defined. One
V=R,
2 V=F, and bunches of V=V machines.
Paging is near zero but cpu is at 100%.
ind
AVGPROC-100% 01
MDC READS-000001/SEC WRITES-000001/SEC HIT RATIO-093%
STORAGE-003% PAGING-0000/SEC STEAL-000%
Q0-00002(00000) DORMANT-00021
Q1-00000(00000) E1-00000(00000)
Q2-00000(00000) EXPAN-001 E2-00000(00000)
Q3-00005(00000) EXPAN-001 E3-00000(00000)
PROC 0000-100%
LIMITED-00000
Ready; T=0.01/0.01 11:41:15
q mdc
Minidisk cache ON for system
Storage MDC min=0M max=1600M, usage=49%, bias=1.00
Xstore MDC min=0M max=0M, usage=0%, bias=1.00
Ready; T=0.01/0.01 12:01:21
We are going to a z890-160 with 8 gig. All V=R/V=F will go
away.
I will run those VSE machines with NOPDS, giving them the storage to
match them. Total sizes for these machines will be 2799 meg (2.73
gig).
So I am thinking 2 gig for xstore, 3 gig for the VSE/ESA Nopds
stuff,
Leaves 3 gig for z/VM.
Does anyone have any other suggestion? I am really open to new
and improved ideas.
Ed Martin
Aultman Health Foundation
330-588-4723
[EMAIL PROTECTED]
ext. 40441
