virtual tape | (VLS specific term) An archival storage technology that backs |
| up data to disk drives in the same way as if it were being stored |
| on tape. Benefits of virtual tape systems include improved backup |
| and recovery speed and lower operating costs. |
| See also Virtual Library System (VLS) and Virtual Tape Library. |
Virtual Tape | (VLS specific term) An emulated tape library that provides the |
Library (VTL) | functionality of traditional |
| See also Virtual Library System (VLS). |
VMware | (VMware integration specific term) The client that Data Protector |
management client | uses to communicate with VMware Virtual Infrastructure. This |
| can be a VirtualCenter Server system (VirtualCenter environment) |
| or an ESX Server system (standalone ESX Server environment). |
volser | (ADIC and STK specific term) A VOLume SERial number is a |
| label on the medium to identify the physical tape used in very |
| large libraries. A volser is a naming convention specific to |
| ADIC/GRAU and StorageTek devices. |
volume group | A unit of data storage in an LVM system. A volume group can |
| consist of one or more physical volumes. There can be more |
| than one volume group on the system. |
volume mount | (Windows specific term) An empty directory on a volume that |
point | can be used to mount another volume. The volume mount point |
| acts as a gateway to the target volume. Provided that the volume |
| is mounted, users and applications can refer to the data on the |
| mounted volume by the full (merged) filesystem path as if both |
| volumes are one integral part. |
Volume Shadow | |
Copy Service |
|
VSS | |
VSS compliant | (HP StorageWorks Disk Array XP VSS provider specific term) |
mode | One of two XP VSS hardware provider operation modes. When |
| the XP provider is in the VSS compliant mode, the source volume |
| |
| after a backup. Therefore the number of replicas |
| |
| configuration is possible only by switching of the disks. |
398Glossary