HP B6960-96035, Руководство по концепциям

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Backup media are denoted by the name of the department, the name of the server
and first and last dates on which backups were performed on the media. At the end
of each quarter, media are sent for storage to a central offsite location.
Problems with current solution
The current backup solution has the following deficiencies:
• There is no online backup solution of the SAP database server.
• The backup solution is not centralized.
• Backup operations are not fully automated.
• Media management requires considerable human effort.
• Disaster recovery is complex.
• Backup operations last longer than the allowed time window.
• The backup solution cannot keep pace with the high growth rate of ABC.
• No reporting and notifications of important events pertaining to the backup.
Backup strategy requirements
Before addressing ABC’s backup strategy requirements, consider the items under
“
Considerations ” on page 297.
Requirements
The following section gives a description of ABC backup strategy requirements.
• Organizational policies regarding backups and restores
The company policy on archiving and storing data defines that weekly backups
be completed within
12 hours and that daily incremental backups be completed
within 8 hours .
• Maximum downtime for recovery
The allowed downtime has a significant impact on the investments into the network
infrastructure and the equipment needed for the backup. The following table lists,
for each type of data, the maximum acceptable downtime for recovery, that is,
how long specific data can be unavailable before recovered from the backup.
Table 20 Maximum acceptable downtime for recovery
Maximum downtime Type of data
6 hours Company business data
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