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Re: [Xen-devel] which (pseudo)-device can be used as VBD in xenU ?

To: Jérôme Petazzoni <jp@xxxxxxxx>
Subject: Re: [Xen-devel] which (pseudo)-device can be used as VBD in xenU ?
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date: Mon, 29 Nov 2004 20:35:40 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
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> I saw examples of VBD using hdXY and sdXY inside virtual machines, like 
> this : disk=phy:hda5,hda1,w
> And I would like to do this : disk=phy:md8,md1,w
> But it failed (the "real" md driver tried to access something that 
> didn't exist, of course, and rootfs couldn't be mounted). Did I do 
> something wrong, or is the frontend driver only able to "fake" hdXY and 
> sdXY devices ?
> FYI, my motivation is to supply mdX devices to ease migration from/to 
> real servers.

You should be able to export md1 just fine, but the blkfront
virtual driver won't currently register itself as anything other
than sdX or hdX.

You should be able to do "phy:md8,sda1,w".

Is this good enough?


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