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Full Discussion: Remove disks from VGs in LVM
Operating Systems Linux SuSE Remove disks from VGs in LVM Post 302301344 by mark54g on Thursday 26th of March 2009 03:21:01 PM
Old 03-26-2009
I would recommend that you add a drive sizable to contain the filesystems to your volume group, then pvmove to them, and then vgreduce the drives out of your VG and then power off, remove the disks and be done with it


If you don't want to remove them physically, and want to keep them for something else, you can fdisk them and use them for whatever.

run lsscsi to show the drives in a more readable way
 

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

NAME
pvresize - resize a disk or partition in use by LVM2 SYNOPSIS
pvresize [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--setphysicalvolumesizesize] PhysicalVolume [PhysicalVolume...] DESCRIPTION
pvresize resizes PhysicalVolume which may already be in a volume group and have active logical volumes allocated on it. OPTIONS
See lvm(8) for common options. --setphysicalvolumesize size Overrides the automatically-detected size of the PV. Use with care, or prior to reducing the physical size of the device. EXAMPLES
Expand the PV on /dev/sda1 after enlarging the partition with fdisk: pvresize /dev/sda1 Shrink the PV on /dev/sda1 prior to shrinking the partition with fdisk (ensure that the PV size is appropriate for your intended new parti- tion size): pvresize --setphysicalvolumesize 40G /dev/sda1 RESTRICTIONS
pvresize will refuse to shrink PhysicalVolume if it has allocated extents after where its new end would be. In the future, it should relo- cate these elsewhere in the volume group if there is sufficient free space, like pvmove does. pvresize won't currently work correctly on LVM1 volumes or PVs with extra metadata areas. SEE ALSO
lvm(8), pvmove(8), lvresize(8), fdisk(8) Sistina Software UK LVM TOOLS 2.02.67(2) (2010-06-04) PVRESIZE(8)
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