[linux-lvm] Why is part of a PV not usable?

[Allen, Jack]

Hello: 
        When I do "vgdisplay -v" or pvdisplay to see the PV, why is part
of the PV not usable? 

 --- Physical volume --- 
  PV Name               /dev/sdd1 
  VG Name               vg01 
  PV Size               10.00 GB / not usable 3.98 MB 
  Allocatable           yes 
  PE Size (KByte)       4096 
  Total PE              2559 
  Free PE               740 
  Allocated PE          1819 
  PV UUID               Q3LoGB-474h-ztit-HBA7-AUEX-OxpE-xoRo0J 

----- 
Thanks 
Jack Allen 

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