20 Jun
2011
20 Jun
'11
1:56 p.m.
On Thu, Jun 16, 2011 at 8:59 AM, Les Mikesell lesmikesell@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?
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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.