Text 16722, 43 rader
Skriven 2006-03-22 23:56:12 av Alan Zisman (1:229/2000)
  Kommentar till text 16715 av MARTIN ATKINS (1:123/140)
Ärende: need time?
==================
In article <18978$fido.en.os.win95@JamNNTPd>,
 "MARTIN ATKINS -> JEFF GUERDAT" <1:123/140> wrote:

 MA>  From the VMware site.

 MA> Virtualization allows multiple virtual machines, with heterogeneous
 MA> operating systems to run in isolation, side-by-side on the same
 MA> physical machine. Each virtual machine has its own set of virtual
 MA> hardware (e.g., RAM, CPU, NIC, etc.) upon which an operating system
 MA> and applications are loaded. The operating system sees a consistent,
 MA> normalized set of hardware regardless of the actual physical hardware
 MA> components.
 MA> -----------------------------------------------------------------------

 MA> Well it looks like i got it spectacularly wrong. :)

 MA> What price do you pay in hardware resources? I want to
 MA> look into this a little more as it looks like something
 MA> i might be interested in over the next year or so.

 MA> Do you have to load it on RAID devices or can it use normal
 MA> partitions?


You need to have a lot of RAM installed-- enough for the virtualized
operating system to run with a respectable amount, while allowing the
'host' operating system to continue to operate in the background.
Similarly, you need to devote enough hard drive space for each
virtualized operating system.

No need for RAID or specialized hardware; what happens is that you have
a single file on your existing hard drive that is treated as if it's a
hard drive by the the virtual system.

As a result, you don't have to be concerned about file system
incompatibilities... if you, for instance, have a Linux 'guest' OS and a
Windows host, it doesn't matter that the Windows system can't read the
Linux file system... as far as Windows is concerned, there's one big
file... but it appears as a Linux-partitioned hard drive to the guest
Linux OS.

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