Resizing/Grow disk partitions on virtual machines

resize_disk_on_vm.sh

# resize the virtual attached disks



# List block storage devices
lsblk

# List file systems
df -Th

# List disk devices
fdisk -l

# List partitions
parted -l
parted /dev/nvme0n1 unit gb print all
parted /dev/sdb1 unit gb print all

# List open files
lsof | grep /var/www/html
lsof | grep /dev/sdb

# check nfs
systemctl status rpcbind
systemctl status nfs-lock
systemctl status nfs

# stop nfs
systemctl stop rpcbind
systemctl stop nfs-lock
systemctl stop nfs

# un-mount partition
umount /data
umount /var/www/html

# resize disk device (not partition)
parted /dev/nvme1n1 resizepart 1 100% # resize /dev/nvme1n1
parted /dev/sdb resizepart 1 100% # resize /dev/sdb

# show any free space for the disk
parted /dev/nvme1n1 print free
parted /dev/sdb1 print free

# update partition table
partprobe /dev/nvme1n1 # re-read partition table
partprobe /dev/sdb # re-read partition table

# resize file system
resize2fs /dev/sdb1 # grow file system ext4
xfs_growfs /dev/nvme1n1p1 # grow file system xfs

# start nfs
systemctl start rpcbind
systemctl start nfs-lock
systemctl start nfs






# Adjusted partition and formatted drive to use extended space

df -Th
lsblk
umount /data
parted -s /dev/nvme1n1 resizepart 1 100%
partx -u /dev/nvme1n1
lsblk
mount -a
xfs_growfs /data





# Create a partition and format it for an unpartitioned block device
    df -Th
    lsblk
    
    parted /dev/sdb mklabel gpt
    parted -a opt /dev/sdb mkpart primary xfs 0% 100%
    lsblk
    
    mkfs.xfs -L data /dev/sdb1
    lsblk --fs
    blkid -o list
    
    mkdir /data
    echo "/dev/sdb1 /data                       xfs     defaults        0 0" >> /etc/fstab    
    
    mount -a
    df -Th