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servercode/disks.txt

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fdisk -l
lsblk
lsblk -fe7
blkid
parted -l
df -hT
du -sh /home
hwinfo --short --block
pvs
vgs
lvs
RESIZE
# unmount /home because an ext4 filesystem cannot be reduced while mounted
umount /home
# resize the ext4 filesystem in logical volume zeus-vg/home to 50G
fsck -f /dev/mapper/zeus--vg-home
resize2fs /dev/mapper/zeus--vg-home 50G
# reduce the logical volume zeus-vg/home to 50G
lvreduce -L50G /dev/mapper/zeus--vg-home
# remount /home
mount /home
# Extend the logical volume zeus-vg/var by 20G
lvextend -L+20G /dev/mapper/zeus--vg-var
# resize the ext4 filesystem in logical volume zeus-vg/var to the new volume size
resize2fs /dev/mapper/zeus--vg-var
# RESIZE AS ROOT: https://www.golinuxcloud.com/lvm-shrink-logical-volume/
df -hT /home
umount /home
fsck -f /dev/mapper/sd--vg-home
resize2fs /dev/mapper/sd--vg-home 100G
lvreduce -r -L 100G /dev/mapper/sd--vg-home
mount /dev/mapper/sd--vg-home /home
# MOUNT OTHER DRIVES
cd/media
mkdir 2TBSEAGATE
mkdir 1TBNVME
cd /etc
mkdir backup
cp /etc/fstab /etc/backup/fstab
vi /etc/fstab
/dev/sda1 /media/2TBSEAGATE ext4 defaults 0 2
/dev/nvme1n1p1 /media/1TBNVME ext4 defaults 0 2