[linux-lvm] Snapshots and disk re-use

[Joe Thornber]

On Wed, 2011-02-23 at 13:57 +0000, Jonathan Tripathy wrote:

> The snapshot will be done in the Xen host, so the Xen host will see the 
> snapshot. The VM will only see the "normal" LV (and continue to use it 
> as normal). My concern is what happens when I remove the snapshot and 
> later on I create a new additional LV for a new customer.

When you remove the snapshot the exception store will have bits of the
origin device on it.  Zero it before you use the space to provision a
volume for a new customer.

- Joe