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Neil Bothwick wrote:
> 
> That sounds a good plan, but why do you need multiple VGs? Why not put
> all the swap partitions in one VG then create one LV on each PV?
> 

That would also work - having separate VGs helps ensure each swap device
ends up on its own physical device.  It could certainly be done using
explicit device assignments when creating LVs.

In any case, moving around swap devices is a piece of cake compared to
moving around data, so it isn't a big deal either way.  I wanted to
separate two data LVs on separate physical devices and I did it exactly
how you suggest keeping them in the same VG for future flexibility -
moving LVs containing data is a real pain if they are in different VGs.
 With swap I just swapoff one device at a time making sure the total
swap is sufficient at all times and the system moves around the data
automatically...
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