HP XP Command View Advanced Edition Software - Manual (Page 40)

Preparing for and Starting Operations 40
4. Add the connected storage subsystems to the Device Manager server (see section 10-1-2 ). Volumes that
the system administrator or the storage administrator are allowed to manage are placed in a logical group
called All Storage that is created by Device Manager.
CAUTION: The Device Manager server requires exclusive access to a storage subsystem (see section
4-1 ). You must make sure that a storage subsystem is always managed by a single Device Manager
server, and that Device Manager and another management tool (such as XP12000/XP10000,
XP1024/XP128 Remote Web Console) do not modify the same storage subsystem at the same time.
For StorageWorks XP Disk Array, the SVP must be in the view mode.
IMPORTANT: In an environment using the storage logical partition function, you can use different
Device Manager servers to manage individual SLPRs, in addition to a Device Manager server that
manages the entire storage subsystem.
5. Add each host (host name and WWN) that manages a storage to Device Manager by installing the
Device Manager agent on each host and then executing the HiScan command, or by entering the host
name using Device Manager Web Client (see section
9-3-2 ) or CLI.
CAUTION: You should add all hosts before performing a LUN scan operation. If you do not enter the
hosts before performing a LUN scan, the LUN scan will automatically create a unique host name
(HOST_0, HOST_1, etc.) for each WWN. This can create a significant number of hosts depending on the
size of the environment.
6. After completing steps (2) through (5), you are ready to perform storage operations (see section 7-6 ),
such as adding and moving storage, adding and deleting volume paths, configuring LUN security, and
managing copy pairs.
7. After storage operation is complete, update the host information by executing the HiScan command on
the Device Manager agent or by refreshing the host on Device Manager Web Client.
8. Perform a LUN Scan operation on each storage subsystem if necessary.
A LUN Scan operation detects any LUNs that have not been added to a storage group. Each detected
LUN will be placed in one of the storage groups that are created for each security level under the LUN
SCAN group created in the Logical Groups object (see section
8-3 ).
IMPORTANT: If a LUN Scan operation detects a WWN that has not been added to Device Manager as
a host, the WWN is automatically assigned a unique host name (such as HOST_0 or HOST_1). After
host names are automatically assigned through a LUN Scan operation, you can reassign more
readable host names for the WWNs, assemble WWNs that are physically located on the same host to a
single host, or delete unnecessary host names if necessary. To merge multiple WWNs into a single
host, add some new WWNs from the Modifying Properties – host-name panel, and then remove any
unnecessary hosts from the Remove Host operation in the method frame. For details, see section
9-5
and section 9-8 .
9. When you are finished performing Device Manager operations, make sure to log out to prevent
unauthorized access (see section
5-1 for instructions).
4-6 Linking with External Storage XP
In a StorageWorks XP12000/XP10000 subsystem, volumes of another storage subsystem connected via a
SAN can be handled as virtual StorageWorks XP12000/XP10000 volumes. This feature is called the External
Storage XP.
IMPORTANT: Device Manager supports only StorageWorks XP12000/XP10000 as the storage subsystem
that provides the External Storage XP function. In this manual, storage to which the External Storage XP
function is applied is called StorageWorks XP12000/XP10000.
Figure 4-4 shows an example of a system configuration using External Storage XP.