df, lvm and 6TB arrays oh my!

[Randy Kelsoe]

Mark Haney wrote:

> I am having a problem with df reporting the wrong disk size on a 
> couple of 7TB arrays on a Fedora box we are using.  I have an lvm 
> group on each array of 6.36TB  when I run  df this is what I get:
>
> /dev/mapper/Volume02-Volume02lv
>                      2.4T   33M  2.3T   1% /mnt/arrays/array2
> /dev/mapper/Volume03-Volume03lv
>                      2.4T  950G  1.3T  43% /mnt/arrays/array1
>
>
> When I run vg display this is what it reports:
>
> pvdisplay  PV Name               /dev/sdd
> pvdisplay  VG Name               Volume03
> pvdisplay  PV Size               6.36 TB / not usable 6.00 TB
> pvdisplay  Allocatable           yes (but full)
> pvdisplay  PE Size (KByte)       4096
> pvdisplay  Total PE              1666397
> pvdisplay  Free PE               0
> pvdisplay  Allocated PE          1666397
> pvdisplay  PV UUID               UlaSJI-9Srm-e3AW-LdNW-g2HG-v6ZE-4yWwPw
> pvdisplay
> pvdisplay  --- Physical volume ---
> pvdisplay  PV Name               /dev/sdc
> pvdisplay  VG Name               Volume02
> pvdisplay  PV Size               6.36 TB / not usable 6.00 TB
> pvdisplay  Allocatable           yes (but full)
> pvdisplay  PE Size (KByte)       4096
> pvdisplay  Total PE              1666397
> pvdisplay  Free PE               0
> pvdisplay  Allocated PE          1666397
> pvdisplay  PV UUID               mK7WWj-UV0p-N6Qc-zhx6-EK3J-g0CO-g65ljs
>
>
> I've looked around for a lvm tool to display the correct sizes, but 
> can't find one.  Is there something I'm missing?
>
>
Try "lvdisplay"