[CentOS] formatting large volume

Wed Oct 15 18:31:03 UTC 2008
Joseph L. Casale <JCasale at activenetwerx.com>

>I'm not really sure what the difference would
>be having the physical extent size as 64 MB versions 4 MB.

It's the smallest allocatable size of any PV you can give to an LV.
Think of it like Allocation Unit Size. Also as pointed out above some
limitations arise in different versions of LVM. RH defaults to 32M I
believe...