Defining Global Container Backups Settings

Provided you have the necessary permissions, you can define the default Container backup settings for the whole Virtuozzo infrastructure on the Backups screen (in the Setup group on the left Infrastructure Manager menu):

• On the Backup Type drop-down menu, select one of the following types of backup:
  • Full backup. This type is recommended when doing a backup job for the first time and contains all the data selected for the backup. A full backup storage space and completion time requirements are the highest.
  • Incremental backup affects only those files and data which have changed since the last backup and takes less storage space and creation time.
  • Differential backup includes only the data modified since the last full backup. (Whereas a differential backup will save the data changed after any last backup, be it a full, incremental, or differential, this is only a full backup a differential backup considers to be the last one.)
• On the Compression Level drop-down menu, choose one of the possible levels:
  • None. This level suggests no compression at all and is recommended if you need to perform a fast backup but do not need to save disk space necessary for backups storage;
  • The normal level of compression takes a little more time and allows for some disk space saving;
  • While extending the backup creation time, the high level of compression saves you even more disk space;
  • The maximum compression level means the longest backup creation time and the best backup compression.

    Note: It is recommended to choose the backup compression level according to the type of the data the Container stores. The Virtuozzo Containers software will try to compress the backup regardless of the data type, but some data are worth spending time for compression (such as text files and data bases) and some, such as already compressed archives are not. Therefore, select the None checkbox when the Container you are backing up stores no data that suggest or need compressing.

• choose the common Backup Node for storing Container backups regardless of their Source Nodes.
• enter the number of backups you are going to limit each Container with in the Number of Backups per Container field of the Number of Backups Available From Parallels Power Panel section.
• enable the backups rotation with the help of the settings in the Incremental Backup Settings group. Use the provided checkboxes to specify the number of incremental backups and/or days after which Parallels Infrastructure Manager should create a new full backup, thus annulling the previous incremental backups.

Note: All these settings can also be set individually for each of the Virtuozzo Group Hardware Nodes.

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