HP Application Recovery Manager software A.06.10 Concepts guide (March 2008)

replica (ZDB specific term) An image, at a particular point in time, of

the data in source volumes that contain user-specified backup

objects. Depending on the hardware or software with which it

is created, the image may be an independent exact duplicate

(clone) of the storage blocks at the physical disk level (for

example, a split mirror or snapclone), or a virtual copy (for

example, a snapshot). From perspective of a basic operating

system, the complete physical disk containing backup objects

is replicated. However, if a volume manager is used on UNIX,

the whole volume or disk group containing a backup object

(logical volume) is replicated. If partitions are used on Windows,

the whole physical volume containing the selected partition is

replicated.

See also snapshot, snapshot creation, split mirror, and split

mirror creation.

replica set (ZDB specific term) A group of replicas, all created using the

same backup specification.

See also replica and replica set rotation.

replica set rotation (ZDB specific term) The use of a replica set for regular backup

production: Each time the same backup specification requiring

the use of a replica set is run, a new replica is created and

added to the set, until the maximum number for the set is

reached. After that, the oldest replica in the set is replaced,

maintaining the maximum number of replicas in the set.