[NTLUG:Discuss] RH9 and VMWARE

Tue Jul 15 00:44:27 CDT 2003

Hi Daniel,

  Vmware allows running of multiple OS's on one single box. You can
actually run Windows, Linux and BEOS on the same box all at one time. It
is able to do this with its Virtual machine architecture. The Host OS is
the primary OS with which the box boots up. Over this OS is installed
Vmware. VMWare is a normal application just like any other. Under the
VMWare environment runs the guest OS. So for example, if I've installed
VMWare over Linux as the main OS and I run Windows95 in it , Linux
becomes my Host OS and Windows becomes the Guest OS.

Hope this makes the VMWare terminologies clear.

Sorry, I have no info for what was done to the Kernel. I am not much of
a filesystem and kernel guy :).

-----Original Message-----
From: Daniel Hauck [mailto:xdesign at hotmail.com] 
Sent: Tuesday, July 15, 2003 12:41 AM
To: discuss at ntlug.org
Subject: Re: [NTLUG:Discuss] RH9 and VMWARE

>I saw a couple of instances of VMWare and RH9.
>Just wanted to mention a perfromance warning...
>
>RH9 did something to the kernel ( someone
>mentioned this ) that really, really trashes performance
>of a linux RH9 guest. So... if you want to run a RH9 guest, you need to

>pass the nosysinfo setting to the kernel at boot time. With Grub just 
>add nosysinfo to the startup line for your kernel image.
>
>jack
i would be interested to know a little more background on this.  What is

running a RH9 guest?  What does that mean?  What did RedHat do to the
kernel 
and what does the nosysinfo direct the kernel to do?

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