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Re: [Xen-users] IO is a big difference between the "file" and "phy"

On Tue, Jun 19, 2012 at 5:08 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Thu, 2012-06-14 at 23:51 +0100, Florian Heigl wrote:
>> A more modern option is the LVMTHIN target for device mapper, but that
>> requires some good LVM knowledge.
> This sound like it might be an interesting project, do you have link?
> Google just came up with a bunch of linux-lvm threads..

Probably http://lwn.net/Articles/465740/

However looking at the (frighteningly) high amount of dmsetup, and
somewhat sparse documentation (what does 20971520 refer to?),
personally I prefer to use zfsonlinux's zvol (which can create thin
volumes as well) for now.


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