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Re: [opensuse] [OT] is there a virtual machine that uses harddisk as harddisk image
  • From: Greg Freemyer <greg.freemyer@xxxxxxxxx>
  • Date: Mon, 1 Jun 2009 11:17:19 -0400
  • Message-id: <87f94c370906010817l520c4461reee36689d985434d@xxxxxxxxxxxxxx>
On Mon, Jun 1, 2009 at 10:17 AM, Randall R Schulz <rschulz@xxxxxxxxx> wrote:
On Monday June 1 2009, Zhang Weiwu wrote:
On 2009-05-31 10:56:42 +0800 Randall R Schulz <rschulz@xxxxxxxxx>

wrote:
On Saturday May 30 2009, Zhang Weiwu wrote:
could virtual machine software make use of a separate harddisk
instead of a disk image to improve its performance?

<snip>

By the way do you know if I can convert an existing hard-disk image
file to a real harddisk?

Offhand, I don't, but there's probably a tool for doing it.

Never tried, but I'd be very surprised if a simple dd did not do the trick.

dd if=<virtual-drive-file> of=/dev/sdx

Then fix the vm config to use that drive / partition.

fyi: I have more confidence you can work with partitions than with full drives.

In that case, dd if=<virtual-drive-file> of=/dev/sdxn

where x is the drive identifier and n is the partition identifier

Greg
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