On Jun 20, 2011, at 9:56 AM, Kwan Lowe <kwan.lowe at gmail.com> wrote: > On Thu, Jun 16, 2011 at 8:59 AM, Les Mikesell <lesmikesell at gmail.com> wrote: >> >>> There is no reason that should be true. Copying 20GB out of an LV >>> should take exactly the same amount of time as copying 20GB out of a file. >> >> What about the destination? Wouldn't it likely be harder to find a place to put >> the LV copy than space to write a file? Or can you copy back and forth? >> >> -- > I just copy the raw filesystem directly to the remote raw filesystem > with dd over ssh. If needed you can dd the entire partition to a file > also. > > With LVMs you can also mirror the LV across multiple LUNs, break the > mirror, then move the other LUN to another system. You might have better performance using Clonezilla over ssh then dd. -Ross