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Operating Systems Linux Fedora Need to incrwase PHYSICAL VOLUME space on hard drive with free space on it Post 302707685 by mojoman on Saturday 29th of September 2012 10:43:47 AM
Old 09-29-2012
Need to incrwase PHYSICAL VOLUME space on hard drive with free space on it

Hi,

I run Fedora 17.

I created a physical volume of 30GB on a disk with 60GB of space so there is 30GB of free space. On the physical volume, I created my volume group and logical volumes. I assigned all the space in the physical volume to my volume group. I need to add the 30GB of free space now on my hard drive to the existing physical volume so I can assign it to my volume group to extend one of my logical volumes.

A friend at work says all I have to do is to use the pvresize command and the PV will "grow" into the free space. But that does not seem to work. Linux recognizes that the PV is 60GB but it then when I try and extend the logical volume it complains that there is not enough free space.

Can someone give me a brief explanation how I should handle my scenario?
I was thinking I should just use pvcreate, create another partition, and then issue vgextend command but my friend at work says this is not necessary and insists his method will work.

Any advice?
 

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VGDISPLAY(8)						      System Manager's Manual						      VGDISPLAY(8)

NAME
vgdisplay - display attributes of volume groups SYNOPSIS
vgdisplay [-A|--activevolumegroups] [-c|--colon] [-d|--debug] [-h|--help] [--ignorelockingfailure] [-P|--partial] [-s|--short] [-v[v]|--verbose [--verbose]] [--version] [VolumeGroupName...] DESCRIPTION
vgdisplay allows you to see the attributes of VolumeGroupName (or all volume groups if none is given) with it's physical and logical vol- umes and their sizes etc. vgs (8) is an alternative that provides the same information in the style of ps (1). OPTIONS
See lvm for common options. -A, --activevolumegroups Only select the active volume groups. -c, --colon Generate colon separated output for easier parsing in scripts or programs. N.B. vgs (8) provides considerably more control over the output. The values are: 1 volume group name 2 volume group access 3 volume group status 4 internal volume group number 5 maximum number of logical volumes 6 current number of logical volumes 7 open count of all logical volumes in this volume group 8 maximum logical volume size 9 maximum number of physical volumes 10 current number of physical volumes 11 actual number of physical volumes 12 size of volume group in kilobytes 13 physical extent size 14 total number of physical extents for this volume group 15 allocated number of physical extents for this volume group 16 free number of physical extents for this volume group 17 uuid of volume group -s, --short Give a short listing showing the existence of volume groups. -v, --verbose Display verbose information containing long listings of physical and logical volumes. If given twice, also display verbose runtime information of vgdisplay's activities. --version Display version and exit successfully. SEE ALSO
lvm(8), vgs(8), pvcreate(8), vgcreate(8), lvcreate(8) Sistina Software UK LVM TOOLS 2.02.44-cvs (02-17-09) VGDISPLAY(8)
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