Text 16747, 40 rader
Skriven 2006-03-23 06:48:26 av Jeff Guerdat (1:229/2000)
  Kommentar till text 16715 av MARTIN ATKINS (1:123/140)
Ärende: need time?
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MARTIN ATKINS -> JEFF GUERDAT wrote:
 MA> Well it looks like i got it spectacularly wrong. :)

I know the feeling well...  ;)

 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.

As Alan said, the resources are considerable since you have to run not only the
host OS but the guest OS as well.  My laptop has 512MB which is a bit shy for
my tastes so I limit the XP session to only 256MB.  I also see a significant
slowdown since VMware has to translate the video/mouse/keyboard/disk/network to
things Linux can provide.  I'd guess it's about 1/2 the speed, at least in
certain things, of a native instal.  Of course, this is on a 650MHz. system. 
On my 2.8Ghz. desktop, there seems to be little performance loss at all.  It
may be that the overhead is more or less fixed so what seems slow on a slow
machine doesn't linearly track to a faster machine.  I have no way of proving
that, however.

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

It has nothing to do with partitions and physical disks.  The beauty is that
it's just one large file in the host OS' file system.  It knows nothing about
the real hardware, as evidenced by the ability to move the  whole virtual
machine to a different host and nothing changes.  Try THAT with Windows or
Linux.  I built the VM on my system with dual CPUs and RAID and it runs without
modification on my li'l ol' laptop.  Still thinks it's running on a single SCSI
disk with a 1Gb/sec. NIC although neither system is so outfitted...

-- 
Jeff Guerdat

Then you wake up at the high school level and find out that the
illiteracy level of our children are appalling.
                                                 Dubya

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