Hi Everyone,
We host many Xen VMs for customers. We use LVM as the fisk storage for
these VMs. When a customer cancels, we generally dd their LV with
/dev/zero, before removing the LV.
If however we want to create a snapshot of a customer's LV, is there the
chance that the data may appear on a new future LV if we were to create
one (for a new customer)? Is is my understanding that most filesystems
don't actually remove data from a disk when deleting a file, but just
set an "ignore" tag of some sort...
Thanks
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