shadow copy

(Microsoft VSS specific term) A volume that represents a

 

duplicate of the original volume at a certain point in time. The

 

data is then backed up from the shadow copy and not from the

 

original volume. The original volume continues to change as

 

the backup process continues, but the shadow copy of the

 

volume remains constant.

 

See also Microsoft Volume Shadow Copy Service and replica.

shadow copy

(Microsoft VSS specific term) An entity that performs the work

provider

on creating and representing the volume shadow copies.

 

Providers own the shadow copy data and expose the shadow

 

copies. Providers can be software (for example, system

 

providers) or hardware (local disks, disk arrays).

 

See also shadow copy.

shadow copy set

(Microsoft VSS specific term) A collection of shadow copies

 

created at the same point in time.

 

See also shadow copy and replica set.

shared disks

A Windows disk on another system that has been made

 

available to other users on the network. Systems with shared

 

disks can be backed up without a Data Protector Disk Agent

 

installed.

SIBF

The Serverless Integrations Binary Files (SIBF) is a part of the

 

IDB that stores raw NDMP meta data. This data is necessary to

 

perform restore of NDMP objects.

single instancing

(IAP specific term) The process of recognizing redundancy of

 

data, at both a whole object and a chunk level. It computes a

 

strong hash for each data chunk and uses it as a unique content

 

address needed to determine whether attempts to store

 

duplicates are being made.

 

See also backup to IAP.

Site Replication

(Microsoft Exchange Server specific term) The Microsoft

Service

Exchange Server 2000/2003 service that permits compatibility

 

with Microsoft Exchange Server 5.5 by emulating the Exchange

 

Server 5.5 directory service.

 

See also Information Store and Key Management Service.

slot

A mechanical position in a library. Each slot can hold a medium,

 

such as a DLT tape. Data Protector references each slot with a

388Glossary