LVM Snapshot: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
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| (6 dazwischenliegende Versionen desselben Benutzers werden nicht angezeigt) | |||
| Zeile 4: | Zeile 4: | ||
=Create LVM System= | =Create LVM System= | ||
| − | *pvcreate /dev/ | + | *pvcreate /dev/sdc |
| − | *vgcreate data /dev/ | + | *vgcreate data /dev/sdc |
| − | *lvcreate -L | + | *lvcreate -L 4G -n vms data |
| + | |||
=Format and mount= | =Format and mount= | ||
*mkfs.ext4 /dev/data/vms | *mkfs.ext4 /dev/data/vms | ||
*mkdir /mnt/vms | *mkdir /mnt/vms | ||
*mount /dev/data/vms /mnt/vms/ | *mount /dev/data/vms /mnt/vms/ | ||
| − | =LVM Snapshot erstellen= | + | =LVM Snapshot erstellen (Backup Konzept)= |
*lvcreate -s -L 2G --name vms-snap /dev/data/vms | *lvcreate -s -L 2G --name vms-snap /dev/data/vms | ||
*mkdir /mnt/snapshot | *mkdir /mnt/snapshot | ||
*mount /dev/data/vms-snap /mnt/snapshot/ | *mount /dev/data/vms-snap /mnt/snapshot/ | ||
| − | *cp /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 | *umount /mnt/snapshot | ||
*lvremove /dev/data/vms-snap | *lvremove /dev/data/vms-snap | ||
| + | |||
=Links= | =Links= | ||
*https://www.thomas-krenn.com/de/wiki/LVM_Snapshot_Merge | *https://www.thomas-krenn.com/de/wiki/LVM_Snapshot_Merge | ||
Aktuelle Version vom 17. Juli 2024, 10:25 Uhr
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