June 2003
Intermediate to advanced
464 pages
10h 33m
English
In the context of an application, backups must present consistent records across all of the data repositories that are used by the application. For example, a transaction must either be reflected in all of the affected data repositories or in none. This can be ensured by driving the backup from the application and relying on the intelligence of the application, or by quiescing the application and all associated data repositories during the backup.
General-purpose backup tools usually provide backup capability at the volume level or at the file level. For example, FlashCopy for Enterprise Storage Server, with a subsequent copy to tape, can back up a volume from z/VM, or a Tivoli Storage Manager agent can back up single ...