HP StorageWorks EVA Hardware Providers administration guide Windows 2003 (T1634-96054, August 2006)

Detailed overview
HP Hardware Providers enable Windows and its applications to use Microsoft VDS/VSS ser vices to
manage certa
in functions of the disk array.
Virtual Disk Service (VDS)
The VDS service provides the capability of Windows and Windows applications to recognize the HP disk
array and perform b asic and dynamic disk management functions.
• Microsoft Management Console (MMC) Snap-in, Disk Manager and DiskPart comma nd line
interface use the VDS service.
• When used with HP VDS HWP, Windows and Windows applications can perform disk array
LUN and port management tasks normally performed using proprietary array control software.
Volume Shadow Copy Service (VSS)
Through t
he HP VSS HWP, the VSS service provides mirroring of the active files or databases on
primary a
rra y volumes to secondary array volumes for backup and restoration. The service performs
these functions:
• Coordinates with business and backup applications to control the disk array through the HP
VSS HWP to make copies of array volume(s)
• Makes f
ull copies of data, called volume shadow copies, clones,orplexes by Microsoft.
For detailed information about the Microsoft VDS and VSS services, see the Microsoft website.
HP StorageWorks EVA Hardware Providers administration guide
11