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Re: [Xen-users] Xen HVM images on VMware ESX

To: Diwaker Gupta <diwaker.lists@xxxxxxxxx>
Subject: Re: [Xen-users] Xen HVM images on VMware ESX
From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
Date: Fri, 25 Apr 2008 09:24:30 +0100
Cc: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
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Diwaker Gupta wrote:
Hi everyone,

I'm trying to convert some Xen HVM images to run on VMware ESX,
unsuccessfully thus far. I believe the problem is that ESX by default
wants the VMs to use SCSI virtual disks, but my HVM VMs are configured
to use IDE virtual disks. If you have any experience with this sort of
thing, please get in touch.

I just went through this with SCO OpenServer 5.0.6 as a guest domain, migratiing from VMware Workstation (which supports IDE) to VMware ESX (which only supports BusLogic or LSI SCSI for disk controllers). The limitation seems silly, but this is what you get when you insist on running on the antique RHEL 3.x and its 2.4 kernel as your base OS for your emulation server.

For Linux migrations, you should be able to boot with an installation CD, detect and mount the hard drives, edit the system's /etc/modprobe.conf and /etc/fstab and /boot/grub/grub.conf, re-run grub-install, and be ready to boot. I've in fact previously written tools to install RedHat operating systems from tarballs, so I know it's feasible.

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