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doc-exports/docs/cbr/umn/cbr_01_0009.html
Wei, Hongmin b24bb72138 CBR UMN 20221213 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Wei, Hongmin <weihongmin1@huawei.com>
Co-committed-by: Wei, Hongmin <weihongmin1@huawei.com>
2022-12-13 13:16:10 +00:00

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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 the backups in a vault whose status is Available or Locked can be used for data restoration.
  • Backups in a vault whose status is Deleting cannot be deleted.
  • When Storage Disaster Recovery Service (SDRS) is used to set up disaster recovery for cloud servers, restorations can be performed at the disaster recovery site only after protection is disabled.
  • 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

  • Shared disks on a server can be backed up, but there can be no more than 10 shared disks.
  • Only backups in a vault whose status is Available or Locked can be used to create images.
  • You can choose to back up only specified disks on a server, but such a backup of disks must be restored as a whole. File- or directory-level restoration is not supported.
  • When SDRS is used to set up disaster recovery for cloud servers, restorations can be performed at the disaster recovery site only after protection is disabled.
  • 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