About virtual storage machines and virtualized resources

For operations involving virtualized resources in a virtual storage machine, physical resources must be linked to virtualized resources. For example, when you perform operations on LDEVs in a virtual storage machine, you must specify physical LDEV IDs (not virtual LDEV IDs) that link to resources in a virtual storage machine.

The following figure illustrates the relationship between a (physical) storage system and virtual storage machines. Virtual storage machines are used only for operations involving data migration or global-active device.

Information about the virtualized resources of a virtual storage machine appears in Device Manager - Storage Navigator with associated physical storage information. If the information about these resources is not displayed by default, you can change the column settings in the table options.

The following terms about virtualized resources are displayed in the Device Manager - Storage Navigator windows. For information about using Command Control Interface to display virtualized resources and remove virtual storage machines, see the Command Control Interface User and Reference Guide.

Term Description
LDEV for which virtualization management is enabled An LDEV that satisfies one of these conditions:
  • The model name and serial number of the virtual storage machine that manages a resource group with LDEVs are different than the storage system involved in the operation.
  • The model name and serial number of the virtual storage machine that manages a resource group with LDEVs are the same as the storage system involved in the operation, but the virtual LDEV ID and the LDEV ID are different.
LDEV for which virtualization management is disabled An LDEV that satisfies both of these conditions:
  • The model name and serial number of the virtual storage machine that manages a resource group with LDEVs are the same as the storage system involved in the operation.
  • The virtual LDEV ID and the LDEV ID are the same.
Parent Topic
  • Managing virtual storage machine resources

    The virtual storage machine is the unit that is used to manage virtualized resources for each storage system. For software with global storage virtualization functions (for example, global-active device, nondisruptive migration), a virtual storage machine is created in the storage system.