installing winxp on rhel5

[Deependra Singh Shekhawat]

Hello guys,
I have RHEL5. I want to install Windows XP on it using Xen. I heard I need
PAE enabled processor. So I did the following:

[root@server ~]# grep -i pae /proc/cpuinfo
And I got this:
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush dts
acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor vmx est tm2
xtpr
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush dts
acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc up pni monitor vmx est
tm2 xtpr
[root@server ~]#

Does this tells that I have PAE enabled processor. One more thing I have 512
MB RAM (physical total RAM). So how much should I give to the Virtual
Machine and last thing the installation source in this case can be a CD or
ISO image.
Thanks in advance
Regards
Deependra


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Enjoy Life !

[Akio Takebe]

Hi,

> Does this tells that I have PAE enabled processor. One more thing I
> have 512
> MB RAM (physical total RAM). So how much should I give to the Virtual
> Machine and last thing the installation source in this case can be a CD or
> ISO image. 
Yes, you have the PAE processors. 
But 512MB RAM is too small on virtualization environment...
dom0 and Xen need more than 256MB RAM. 
(RHEL5 configuration limit say 512MB)
On native machine, is 256MB RAM for WindowsXp too small?

Best Regards,

Akio Takebe

[Andrew Cathrow]

On Wed, 2007-03-28 at 14:32 +0900, Akio Takebe wrote:

>  Hi,
>  
>  >Does this tells that I have PAE enabled processor. One more thing I have 512
>  >MB RAM (physical total RAM). So how much should I give to the Virtual
>  >Machine and last thing the installation source in this case can be a CD or
>  >ISO image.
>  Yes, you have the PAE processors. 
>  But 512MB RAM is too small on virtualization environment...
>  dom0 and Xen need more than 256MB RAM. 
>  (RHEL5 configuration limit say 512MB)
>  On native machine, is 256MB RAM for WindowsXp too small? 

Dom0 is fine with 256mb but cannot go below that limit
256 for the windows guest is pushing it - but it is within XP's
requirements.
Obviously the more the merrier but if he's only got 512 to work
with ........


>  
>  Best Regards,
>  
>  Akio Takebe 
>  
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[John Summerfield]

Deependra Shekhawat wrote:
>  Hello guys,
>  I have RHEL5. I want to install Windows XP on it using Xen. I heard I need
>  PAE enabled processor. So I did the following: 
Miss Understood or Miss Informed.

PAE gives you support for lotsa RAM, up to 64 Gbytes.

What you need is the virtualisation capability in new Intel and AMD 
processors.





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John

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[Akio Takebe]

Hi,

> Miss Understood or Miss Informed.
>
> PAE gives you support for lotsa RAM, up to 64 Gbytes.
>
> What you need is the virtualisation capability in new Intel and AMD 
> processors. 
Ah, you are right.


> [root@server ~]# grep -i pae /proc/cpuinfo
> And I got this:
> flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush dts
> acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor vmx est tm2
> xtpr
> flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush dts
> acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc up pni monitor vmx est
> tm2 xtpr
> [root@server ~]# 
But his cpus have vmx feature.

Best Regards,

Akio Takebe

[Andrew Cathrow]

On Wed, 2007-03-28 at 09:11 +0530, Deependra Shekhawat wrote:

>  Hello guys,
>  I have RHEL5. I want to install Windows XP on it using Xen. I heard I
>  need PAE enabled processor. So I did the following:
>   

You need a PAE enabled processor for Xen, and VMX or SVM (intel and AMD
respectively) for full virtualization - so looking at the output below
you're covered for both.


>  [root@server ~]# grep -i pae /proc/cpuinfo
>  And I got this:
>  flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat
>  clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni
>  monitor vmx est tm2 xtpr 
>  flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat
>  clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc up pni
>  monitor vmx est tm2 xtpr
>  [root@server ~]#
>  
>  Does this tells that I have PAE enabled processor. One more thing I
>  have 512 MB RAM (physical total RAM). So how much should I give to the
>  Virtual Machine and last thing the installation source in this case
>  can be a CD or ISO image.  

256 should be enough for an XP installation. You can use either CD or
ISO - I prefer to use ISO as it's simplier.


>  Thanks in advance
>  Regards
>  Deependra
>  
>  
>  -- 
>  Enjoy Life ! 
>  
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>  Fedora-xen(a)redhat.com
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