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Operating Systems Linux Red Hat How to reduce the LVM Size in RHEL/Centos 7 ? Post 302980206 by joeyg on Thursday 25th of August 2016 08:38:40 AM
Old 08-25-2016
What I recall...

I seem to recall, when faced with a similar situation, that I had to start fresh.

backup the data
remove logical volume (which removes the data)
rebuild (to new size) the logical volume
restore the data
 

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

NAME
lvremove - remove a logical volume SYNOPSIS
lvremove [-A|--autobackup {y|n}] [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--version] [-f|--force] [--noudevsync] LogicalVol- ume{Name|Path} [LogicalVolume{Name|Path}...] DESCRIPTION
lvremove removes one or more logical volumes. Confirmation will be requested before deactivating any active logical volume prior to removal. Logical volumes cannot be deactivated or removed while they are open (e.g. if they contain a mounted filesystem). Removing an origin logical volume will also remove all dependent snapshots. If the logical volume is clustered then it must be deactivated on all nodes in the cluster before it can be removed. A single lvchange com- mand issued from one node can do this. OPTIONS
See lvm(8) for common options. -f, --force Remove active logical volumes without confirmation. --noudevsync Disable udev synchronisation. The process will not wait for notification from udev. It will continue irrespective of any possible udev processing in the background. You should only use this if udev is not running or has rules that ignore the devices LVM2 cre- ates. EXAMPLES
Remove the active logical volume lvol1 in volume group vg00 without asking for confirmation: lvremove -f vg00/lvol1 Remove all logical volumes in volume group vg00: lvremove vg00 SEE ALSO
lvcreate(8), lvdisplay(8), lvchange(8), lvm(8), lvs(8), lvscan(8), vgremove(8) Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) LVREMOVE(8)
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