LVM Snapshot

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Install

  • apt-get install lvm2
  • reboot

Create LVM System

  • pvcreate /dev/sdc
  • vgcreate data /dev/sdc
  • lvcreate -L 4G -n vms data

Format and mount

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

LVM Snapshot erstellen (Backup Konzept)

  • lvcreate -s -L 2G --name vms-snap /dev/data/vms
  • mkdir /mnt/snapshot
  • mount /dev/data/vms-snap /mnt/snapshot/
  • mkdir -p /backup/vms-$(date +%Y-%m-%d-%H-%M)
  • cp -va /mnt/snapshot/* /backup/vms-$(date +%Y-%m-%d-%H-%M)
  • umount /mnt/snapshot
  • lvremove /dev/data/vms-snap

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