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Re: [linux-lvm] Increase LV size of snapshot (not COW table size)



ok, thanks

I'd rather do this at the block device level than at the filesystem level. It seems like this is possible using dmsetup directly, similarly to what is described in this blog post.

http://jons-thoughts.blogspot.com/2007/11/creating-sparse-block-devices.html

Are there any caveats to getting your own dm maps to play nice with lvm? Can i just pretend that lvs are block devices and map onto them?

On Tue, Apr 15, 2008 at 12:48:15AM -0700, Jayson Vantuyl wrote:
> You'll probably have better luck with unionfs.  LVM doesn't really do  
> what you're asking for.
> 


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