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