Re: exch 2003 /3GB problem

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John,

I've read that the /noexecute=optout switch enables PAE. What do you think
about HP's claims that this will hurt performance?
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_EL041214_CW01

I currently have servers that are showing 3.5 GB of RAM.


"John Fullbright [MVP]" wrote:

1. If you're at windows 2003 SP1, also include /NoExecute=optout in the
boot.ini

2. The fact that you're on a SAN does not automatically mean that the
storage is sized properly. Check your physical disk sec/write counters to
make sure your response times average under 20ms with no spikes over 50ms
lasting more than a few seconds.

3. You may need to use a value loke 2970 instead of 3030 for userva.

4. One of the most important VM counters is largest VM block size, what is
the value of this?



"Carpadum" <Carpadum@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:37D716CC-85CA-44C8-A231-FA0BD633024F@xxxxxxxxxxxxxxxx
We have Windows Server 2003 Enterprise edt. w/ 2 proc and 4 Gig of memory.
Exchange is also Enterprise Edt. and it is configured w/ 4 Storage Groups
and
each storage group has a min. of 2 Mailbox stores. The total database
size
of all these groups is around 65Gig. I have entered the following in the
boot.ini
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Windows Server 2003,
Enterprise" /fastdetect /3GB /Userva=3030

(note the last entry is all on one line in the boot file)
I have also done the recommended reg edits to
HeapDeCommitFreeBlockThreshold
setting

When I do a perfmon on the Store.exe / virtual Bytes, the value is around
100 on the graph w/ .0000010 as a scale. When I look at the Free System
Page
Table Entries, the value is 2200 w/ .0100 scale. This seems way off to
me!

I am concerned that something is not running correctly. Why would the
store
process never use more than 1,100,000K of memory?(there is almost 2 gig
free
on te server) Why would there be so much free memory on a database of
this
size? The data lives on a SAN so it is a very fast machine, I just feel
that
memory issues are holding it up.



.

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