LVM Snapshot: Unterschied zwischen den Versionen

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=Install=
 +
*apt-get install lvm2
 
=Create LVM System=
 
=Create LVM System=
 
*pvcreate /dev/sda1
 
*pvcreate /dev/sda1
 
*vgcreate data /dev/sda1
 
*vgcreate data /dev/sda1
 
*lvcreate -L 50G -n vms data
 
*lvcreate -L 50G -n vms data
 
 
=Format and mount=
 
=Format and mount=
 
*mkfs.ext4 /dev/data/vms
 
*mkfs.ext4 /dev/data/vms

Version vom 19. Oktober 2017, 09:08 Uhr

Install

  • apt-get install lvm2

Create LVM System

  • pvcreate /dev/sda1
  • vgcreate data /dev/sda1
  • lvcreate -L 50G -n vms data

Format and mount

  • mkfs.ext4 /dev/data/vms
  • mkdir /mnt/vms
  • mount /dev/data/vms /mnt/vms/

LVM Snapshot erstellen

  • lvcreate -s -L 2G --name vms-snap /dev/data/vms
  • mkdir /mnt/snapshot
  • mount /dev/data/vms-snap /mnt/snapshot/
  • cp /mnt/snapshot/vm.qcow2 /backup/
  • umount /mnt/snapshot
  • lvremove /dev/data/vms-snap