Resize LVM in Linux | Extend Or Reduce Logical Volume in RHEL || Nehra Classes

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#Welcome to Nehra Classes#
#How To Resize LVM Online Safely in RHEL/CentOS#

lsblk
fdisk /dev/sdb
partprobe
clear
lsblk
pvcreate /dev/sdb1
vgcreate VG /dev/sdb1
lvcreate -L 3050M -n LV VG
clear
lsblk
clear
lvs
vgs
pvs
vgdisplay
pvdisplay
lvdisplay
clear
mkdir /test
mount /dev/VG/LV /test
clear
df -hT
clear
vim /etc/fstab
clear
umount /test
df
clear
mount -a
df -hT
clear
cd /test
ll
touch test{1..20}.txt
ll
clear
mkdir aa bb cc
ll
clear
cd
lvs
df -hT
clear
vgs
fdisk /dev/sdb
partprobe
clear
pvcreate /dev/sdb2
vgextend VG /dev/sdb2
vgs
clear
lvs
clear
lvextend -L 5G -n /dev/VG/LV
lvextend -L 5050M -n /dev/VG/LV
lvs
clear
lvs
df -Th
clear
resize2fs 5050M /dev/VG/LV
clear
df -Th
clear
resize2fs /dev/VG/LV 5050M
df -hT
clear
cd /test
ll
clear
cd
clear
lvs
clear
lvs
vgs
clear
df -Th
umount /test
clear
e2fsck -f /dev/mapper/VG-LV
clear
resize2fs /dev/mapper/VG-LV 2G
lvs
clear
lvreduce -L 2G -n /dev/VG/LV
clear
lvs
vgs
df -hT
mount -a
clear
df -hT
clear
resize2fs /dev/VG/LV 2G
clear
df -hT
cd /test
ll
clear
cd
#Thanks

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#NehraClasses
  1. Nehra Classes
  2. disk
  3. vmware
  4. vmdk
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Комментарии
Автор

When I use mount -a, I got error " wrong fs type, bad option, bad superior on /dev/vg/data
Missing codename or helper program, or other error

In some case useful...

dokiparthydeepika
Автор

how to extend and reduce root partition in centos 7

sudarshangorivale
Автор

how to find the partition number of volume group

izwirpl
Автор

gajab.. rhel 8 mainn nahi horaha h reduce sir ...

tameshchakraborty