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



Hi Jack,

Your PE size is 4096KB and your PV's size is 2559x4096KB+3.98 MB.
In other words, your PV's size is not an exact multiple of the PE size and
all you lose is always less than the PE.
( http://tldp.org/HOWTO/LVM-HOWTO )

F


2009/1/26 Allen, Jack <Jack Allen mckesson com>:
> 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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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>


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