Note_Tech

All technological notes.

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Back

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Backup vs Snapshot

• Backup
  • A copy of an instance, which can be a VM or a container, that is separated from the instance.
  • Can be cloned and move around.
• snapshot
  • a copy of an instance that is become part of the target.
  • Can not be cloned or move around.

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Snapshot

• GUI

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Backup and Restore

• Mode: Affect downtime, can be a trade-off
  • Stop: Poweroff instance. When backup finish, instance will be started again if the instance was running.
  • Suspend: suspend the instance for a while.
  • Snapshot: might create data consistency problem. Installation of qume package can help.

• Restore
  • Require to shutdown the instance

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Backup Job: Data Center level

• Best Practices
  • Store the backup with a shared storage.
  • Can be done using Proxmox Backup