4Gb memory limit
#1
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4Gb memory limit
Its ms-dos 640k, tweaking your EMM386 & QEMM all over again. Ah remember those days
Putting 4Gigs in servers, win2003Server. Whats the recommented settings for this, Esp for VMware for utilizing the full 4Gb?
I know about the /PAE or /3GB switches & that they are more for memory >4Gb but havent quite got my head round it...
Recommendations and results of such switches?
Putting 4Gigs in servers, win2003Server. Whats the recommented settings for this, Esp for VMware for utilizing the full 4Gb?
I know about the /PAE or /3GB switches & that they are more for memory >4Gb but havent quite got my head round it...
Recommendations and results of such switches?
#2
Scooby Regular
go 64bit OS & hardware
try using ESX Server instead, much better custom linux kernel, so no host OS to drag performance down
IIRC you can only use PAE on Enterprise edition of Windows 2003
try using ESX Server instead, much better custom linux kernel, so no host OS to drag performance down
IIRC you can only use PAE on Enterprise edition of Windows 2003
#3
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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You can edit boot.ini with some of the following options
/3gb Changes the allocation, for 3gb for apps and 1gb for the kernel
/NOPAE disables PAE, funnily enough!!
/PAE to enable PAE! lol.
read http://www.microsoft.com/whdc/system...AE/PAEmem.mspx
As for ESX, that isn't windows and therefore doesnt really apply and has nothing really to do with it.. You need to look at addressing more memory in red hat (not an issue with esx)
Our ESX boxes run with 16gb of ram in the host OS, however in esx the guest OS can only address 3.6gb of Memory so the PAE isnt relevant and can actually slow the guest OS.
If you want a box with a large amount of memory, forget hosting it on ESX, thats not what ESX is designed for.
We have a box running Dual Itanium's Running Windows 2003 Enterprise (IA64) and SQL 2005(IA64) this has 128GB of Ram and uses it
Its undergoing a test at the moment to see how many transactions it can do in a given time, and they want into the millions
If you are wanting to run 32bit Apps still then I would personally use a Operteron Based Machine.
If you want a windows box with a large amount of memory then you need to be using Enterprise or DataCentre edition and I dont need to say that it should be only 2003!! and really the 64 bit version..
David
/3gb Changes the allocation, for 3gb for apps and 1gb for the kernel
/NOPAE disables PAE, funnily enough!!
/PAE to enable PAE! lol.
read http://www.microsoft.com/whdc/system...AE/PAEmem.mspx
As for ESX, that isn't windows and therefore doesnt really apply and has nothing really to do with it.. You need to look at addressing more memory in red hat (not an issue with esx)
Our ESX boxes run with 16gb of ram in the host OS, however in esx the guest OS can only address 3.6gb of Memory so the PAE isnt relevant and can actually slow the guest OS.
If you want a box with a large amount of memory, forget hosting it on ESX, thats not what ESX is designed for.
We have a box running Dual Itanium's Running Windows 2003 Enterprise (IA64) and SQL 2005(IA64) this has 128GB of Ram and uses it
Its undergoing a test at the moment to see how many transactions it can do in a given time, and they want into the millions
If you are wanting to run 32bit Apps still then I would personally use a Operteron Based Machine.
If you want a windows box with a large amount of memory then you need to be using Enterprise or DataCentre edition and I dont need to say that it should be only 2003!! and really the 64 bit version..
David
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#8
The best solution is called Linux !
Or if you really must 64 bit Windows, we went down this route with Oracle databases, it is just a matter of when, not if you go to something with a decent ammount of address space.
Or if you really must 64 bit Windows, we went down this route with Oracle databases, it is just a matter of when, not if you go to something with a decent ammount of address space.
#9
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Thread Starter
Linux :vomit: & its not 64bit hardware or OS - Win2kServer -GSX
I think the concern was the amount of memory available to the guest virtual machines.
/PAE or PAE not added - memory >4Gb
- 2Gb to User - 2Gb to Kernel
/3GB - memory =4Gb
- 3Gb to user - 1Gb to Kernel
/3GB will give you the full 4Gb but at the cost of user speed or am i getting that wrong? Havent really seen anything on the VM webiste, unless someone can direct me
I think the concern was the amount of memory available to the guest virtual machines.
/PAE or PAE not added - memory >4Gb
- 2Gb to User - 2Gb to Kernel
/3GB - memory =4Gb
- 3Gb to user - 1Gb to Kernel
/3GB will give you the full 4Gb but at the cost of user speed or am i getting that wrong? Havent really seen anything on the VM webiste, unless someone can direct me
Last edited by InvisibleMan; 24 May 2006 at 02:12 PM.
#10
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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It just means you only allocate 1gb rather than a 2gb block to the kernel. shouldnt really be a problem.
But you still have the memory limit imposed via Vmware..
and if this is GSX and not ESX.. good luck to you!!
But you still have the memory limit imposed via Vmware..
and if this is GSX and not ESX.. good luck to you!!
#11
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Join Date: Nov 2001
Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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PS im windows through and through... however I quite like RH Enterprise and ESX
Also using Fedora Core 5
David
Also using Fedora Core 5
David
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