HP StorageWorks XP Remote Web Console Software - Manual (Page 98)

98 Using XP12000 disk arrays with EVA GL disk arrays attached as subordinated external storage disk arrays
XP12000-attached host, see the HP StorageWorks Command View XP User Guide for XP Disk Arrays or
the HP StorageWorks XP Remote Web console User Guide for XP12000/XP10000.
Configuring MSA1000/1500 as external disk arrays
Connecting MSA1000/1500
If you connect an HP StorageWorks Modular Smart Array (MSA) with two controllers as an external disk
array (highly recommended), set the port’s host mode to Tru64 and use Selective Storage Presentation.
NOTE: If only a single MSA controller will be known to the XP10000/XP12000, using Selective Storage
Presentation in the MSA ACU is optional and the host mode may be set to Windows. For the purposes of
this document, it will be assumed that two MSA controllers are in use, which greatly improves it’s degree of
High Availability and allows for the storage of primary copies of important data to reside on the MSA.
See the following documents for information about configuring MSA:
• HP StorageWorks Modular SAN Array QuickSpecs
• HP StorageWorks Modular SAN Array User Guide
NOTE: References to MSA generally refer to both the MSA1000 and the MSA1500 (both with an
active/passive controller). Although the standby MSA controller may connect to the same
XP10000/XP12000 port as the active MSA controller (shown in Figure 57 ), HP recommends that it
connect to an XP port on a different XP cluster.
Figure 57 Example: Connecting an MSA disk array
The following is a summary of the port setting status of the local disk array when you connect the MSA
external disk array.
Setting up the MSA
To set up the MSA for use as an external disk array connected to the XP10000/XP12000, perform the
following steps:
1. Define the MSA Array Object.
2. Define the MSA LU.
3. Use MSA Selective Storage Presentation to institute LUN security.
After defining the MSA array object, specify individual storage LUs within the array object. At this point,
institute LUN security on the MSA using the ACU Selective Storage Presentation (SSP) functionality.
Use the HP StorageWorks Array Configuration Utility (ACU) to configure the MSA for its role as an external
array. ACU runs from a server attached to the MSA via a Fibre Channel path.
Topology Fabric ON Fabric OFF
Loop Supported Supported
Point-to-Point Supported Not supported