Resize LVM in Linux | Extend Or Reduce Logical Volume in RHEL || Nehra Classes
#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
mkfs.ext4 /dev/VG/LV
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
cat cal.txt
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
cat cal.txt
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
cat cal.txt
clear
cd
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