notebook/IT/Linux/LVM.md
2022-10-09 17:11:12 +02:00

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# LVM
## reduce logical volume
You must get a blank output from this command as below
`lsof /home`
Next un-mount the partition
`umount /home`
check filesystem
`e2fsck -flinux show file syste /dev/mapper/arch-home`
resize file system
`resize2fs /dev/mapper/arch-home 20G`
reduce logical volume
`lvreduce /dev/mapper/arch-home -L 20G`
## increase logical volume
`lvextend -L +44G /dev/mapper/arch-root`
`resize2fs /dev/mapper/arch-root`