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Re: [Qemu-devel] QEMU online guest disk resize wrt host block devices

From: Christoph Hellwig
Subject: Re: [Qemu-devel] QEMU online guest disk resize wrt host block devices
Date: Thu, 1 Sep 2011 17:56:20 +0200
User-agent: Mutt/1.5.17 (2007-11-01)

On Thu, Sep 01, 2011 at 03:27:35PM +0100, Daniel P. Berrange wrote:
> One other question too, when creating a qcow2 image via 'qemu-img create'
> you can specify a 'prealloc' option to require metadata to be allocated
> at time of creation.
> Should we have the same control at time of resize too. If the app had
> originally created the qcow2 image with preallocated metadata, then
> I'd expect they want to pre-allocate metadata when extending it too,
> or is there no additional metadata allocation required when extending
> an image ?

Sounds reasonable.  Keving, is there a sane way to implement this?

> Daniel
> -- 
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