[linux-lvm] what is free space in LVM

[Angelo Moreschini]

Hi,

I am new to LVM and I would like to have an exact answer to the question :

what is the criteria that allows to distinguishes the "free space" on the
all the space in a Volume Group?

or (if you prefer)...

how the command pvscan does  to obtain information about the free space in
LVM ?

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According to my current knowledge, I know that the definition of "free
space" concerns with with the set of blocks for which, in the FAT, is not  r
egistered a significant link to access a file.

But I think that in the context of LVM there should be a different criterion to
define the "free space" inside a Volume Group.
----------

Thank you

Regards

Angelo
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