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