VM Backup Consistency: Revision history

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20 January 2025

  • curprev 14:2314:23, 20 January 2025‎ A.lauterer talk contribs‎ 3,933 bytes +3,933‎ Created page with "When backups (or snapshots) are triggered for VMs in Proxmox VE, it is necessary to make sure that the guest has written the latest changes to the disk image before the backup starts (or the snapshot is created). This is handled by the Qemu-Guest-Agent inside the guest OS. The trigger that can be observed in the backup task log: <pre> INFO: issuing guest-agent 'fs-freeze' command INFO: issuing guest-agent 'fs-thaw' command </pre> This will cause the guest OS to ensure t..."
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