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Re: [Xen-devel] [PATCH] Blktap: Userspace file-based image support.(RFC)


On Tue, 2006-06-20 at 14:10 -0700, Dan Smith wrote:

> This brings me to another question: Will people really be using
> file-based images for their VMs?  It seems to me that the performance
> of using a block device overshadows the convenience of a file image.

It depends on the environment.  To support cold/live migration, having
network-attached storage will be required; and file images on NFS would
be an extremely simple-to-setup way to achieve that.

Personally I use LVM block devices almost exclusively when doing single-
node testing, but NFS files are the easiest way I've got to share those


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