HP Storage Essentials Enterprise Edition Software - Manual (Page 15)

User Guide 3
storage resources that are associated with that instance. This allows HP Storage Essentials SRM to
Present or Un-present this storage from any host in the SAN.
In the following figure, the virtual SAP instance is running on physical server HostA. The SAP
Instance has two SAN-attached storage devices mapped from the storage array to the server.
Figure 2 Virtual SAP instance on physical server HostA
Let’s assume the SAP administrator decides that it is necessary to move this SAP instance from server
HostA to server HostB due to business reasons or for maintenance. The SAP administrator initiates
the service relocation from the GUI of the SAP Adaptive Computing controller. The SAP ACC is
responcible for the application shutdown and startup function, but will call the Application
Integration Software for SAP ACC, which is running on the HP Storage Essentials server, to ensure
that the storage devices are removed from server HostA and are presented to server HostB.