Help Center/ Cloud Backup and Recovery/ User Guide (ME-Abu Dhabi Region)/ Service Overview/ Constraints
Updated on 2025-11-24 GMT+08:00
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Constraints

General

  • A vault can be associated with only one backup policy.
  • A vault can be associated with a maximum of 256 resources.
  • A maximum of 32 backup policies can be created.
  • Only backups in the Available or Locked vaults can be used to restore data.
  • Backups in a Deleting vault cannot be deleted.
  • Backups cannot be downloaded to a local PC or uploaded to OBS.
  • A vault and its associated servers or disks must be in the same region.

Cloud Disk Backup

  • Only disks in the Available or In-use state can be backed up.
  • A new disk must be at least as large as the backup's source disk.

Cloud Server Backup

  • A maximum of 10 shared disks with a cloud server can be backed up.
  • Only cloud server backups in the Available or Locked vaults can be used to create images.
  • Images cannot be created from backups if the number of resources associated with a server backup vault exceeds the quota.
  • You are advised not to back up a server whose disk size exceeds 4 TB.

SFS Turbo Backup

  • Only file systems in the Available state can be backed up.
  • An SFS Turbo file system backup cannot be used to restore data to the original file system.
Parent topic: Service Overview