adrianbiro/extendLVM_LUSK.md

## extendLVM_LUSK.md

      
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              extendLVM_LUSK.md
            
          
    Extend LVM LUKS

link
LVM

$ lsblk
$ wipefs -a /dev/sdb
  # quick wipe target device
$ pvcreate /dev/sdb
$ pvs
$ vgs
$ vgextend ubuntu-vg /dev/sdb
$ vgs
$ lvs
$ lvcreate -n secret -L 10G ubuntu-vg
$ lvs
LUKS init

$ cryptsetup luksFormat /dev/ubuntu-vg/secret
  # take a time
$ cryptsetup luksOpen /dev/ubuntu-vg/secret secret
  # heslo
$ mkfs.ext4 /dev/mapper/secret
$ mkdir /secret # on / not /mnt/
$ mount /dev/mapper/secret /secret/
$ mount | grep secret
resize LUKS

$ df -h /secret/
$ blkid -t TYPE=crypto_LUKS -o device
  # to list LUKS devices
$ cryptsetup status secret
$ umount /secret
$ cryptsetup luksClose secret
$ lvextend -L +10G /dev/ubuntu-vg/secret
$ lvs
$ cryptsetup luksOpen /dev/ubuntu-vg/secret secret
  # heslo
$ cryptsetup status secret
test

$ e2fsck -f /dev/mapper/secret
$ resize2fs -p /dev/mapper/secret
$ mount /dev/mapper/secret /secret/
$ df -h /secret/
Backup

fsarchiver
or just rsync -rauvlPL