Monday, October 31, 2011

Backup Strategies briefly

  • Combine different backup types to create a backup strategy.
  • Do not backup tempdb.
  • Unless you plan to change its contents, do not back up the model database.
  • Use the Full Backup simple mode strategy only in development, read only, stage or system databases.
  • Schedule the Log backup before the Full backup
  • Use the Log & Full backup strategy in 8x5 databases where you can afford to lose up to one day of work.
  • Consider the use of the Full & Log backup strategy in 8x5 databases, and non-volatile 24x7 databases.
  • Use the Full, Differential and Log strategy in volatile 24x7 databases, when the value or your data requires very frequent log backups, and in nonpartitioned Data marts.
  • Consider the use of a Full - File/Filegroup – Log Backup strategy in Very Large Databases (VLDB) or partitioned Data marts/Data warehouses.
  • Schedule Backup Operations When Database Activity Is Low.
  • Back up first to disk, whenever possible. Consider using a File Server to store the backups.
  • When using a File server to store backups, consider using a private LAN trunk to avoid general network congestion.
  • Do not use the same physical disk that hold the database files or Log files for backup purposes.

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