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LVM2: Are these physical volumes free?

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Operating Systems Linux SuSE LVM2: Are these physical volumes free?
# 1  
Old 08-17-2011
LVM2: Are these physical volumes free?
Hi,

I am trying to find some free space on this system. The following physical volumes look empty. Would you please help me confirm this? What other commands can I use to find free space?

Thank you in advance!

Code:
# pvdisplay -m /dev/block/104:2
  --- Physical volume ---
  PV Name               /dev/block/104:2
  VG Name               system
  PV Size               8.94 GB / not usable 2.23 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              2288
  Free PE               2288
  Allocated PE          0
  PV UUID               p3QiiG-OeNU-Wd9U-PSsY-sQtE-sh0K-gf8RoW
  --- Physical Segments ---
  Physical extent 0 to 2287:
    FREE

# pvdisplay -m /dev/block/104:4
  --- Physical volume ---
  PV Name               /dev/block/104:4
  VG Name               system
  PV Size               15.00 GB / not usable 3.02 MB
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              3839
  Free PE               3839
  Allocated PE          0
  PV UUID               1dwSv3-THur-qCOd-cgNF-Hulw-2lRa-SJfPe1
  --- Physical Segments ---
  Physical extent 0 to 3838:
    FREE

# 2  
Old 08-17-2011
I think vgs will print free space present in volume groups.
# 3  
Old 08-17-2011
According to this output, both are already part of a volume group (VG Name system), but don't yet have any data on them (Allocated PE 0)

But generally, if you want to add additional logical volumes, check the output of vgdisplay how much space is left on the volume groups.
This User Gave Thanks to pludi For This Post:
aixlover
# 4  
Old 08-18-2011
Hi Pludi,

"Allocated PE 0" is good enough. It can be verified by 'vgdisplay -v | grep Free'.

Thanks a lot!
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