05-09-2016
Pvcreate can't open /dev/xvda2 exclusively mounted filesystem
I downloaded the oracle linux 6.7 from RHEL, I wanted to extend the storage for "/" from default 16GB to say 200GB. Here's the steps I tried is :
1. Init 1
2. Using “fdisk /dev/xvda” , delete the swap /dev/xvda3 as well as /dev/xvda2
3. Re-create /dev/xvda2 with linux LVM using new end blocks
4. save and exit,
5. when I try to perform “pvcreate /dev/xvda2”, as there is a chance to re-extend the storage for /dev/xvda2, it fails with below exception:
pvcreate can't open /dev/xvda2 exclusively mounted filesystem
please advice the resolution. Your help is appreciated.
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LEARN ABOUT CENTOS
vgextend
VGEXTEND(8) System Manager's Manual VGEXTEND(8)
NAME
vgextend - add physical volumes to a volume group
SYNOPSIS
vgextend [-A|--autobackup {y|n}] [-d|--debug] [-h|-?|--help] [--restoremissing] [-f|--force] [-t|--test] [-v|--verbose] [PHYSICAL DEVICE
OPTIONS] VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]
DESCRIPTION
vgextend allows you to add one or more initialized physical volumes (see pvcreate(8)) to an existing volume group to extend it in size.
Moreover, it allows you to re-add a physical volume that has gone missing previously, due to a transient device failure, without re-ini-
tialising it. Use vgextend --restoremissing to that effect.
If PhysicalDevicePath was not previously configured for LVM with pvcreate(8), the device will be initialized with the same default values
used with pvcreate(8). If non-default pvcreate(8) values are desired, they may be given on the commandline with the same options as pvcre-
ate(8). See PHYSICAL DEVICE OPTIONS for available options. Note that the restore-related options such as --restorefile, --uuid and
--physicalvolumesize are not available. If a restore operation is needed, use pvcreate(8) and vgcfgrestore(8).
OPTIONS
See lvm(8) for common options.
PHYSICAL DEVICE OPTIONS
The following options are available for initializing physical devices in the volume group. These options are further described in the
pvcreate(8) man page.
-f, --force
-y, --yes
-Z, --zero {y|n}
--labelsector sector
--metadatasize size
--metadataignore {y|n}
--pvmetadatacopies copies
--dataalignment alignment
--dataalignmentoffset alignment_offset
Examples
Extends the existing volume group "vg00" by the new physical volumes (see pvcreate(8)) "/dev/sda4" and "/dev/sdn1".
vgextend vg00 /dev/sda4 /dev/sdn1
SEE ALSO
lvm(8), vgcreate(8), vgreduce(8), pvcreate(8)
Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) VGEXTEND(8)