When creating dual port virtual devices, the LU N numbering on both ports follows the conventions for
default LUN numbering (see Default LUN numbering); however, if you use LUN mapping for a dual por t
device (see LUN mapping), the defined LUN number for that device for a specified host applies to both
device paths. Follow the operating system LUN requirements (see Operating system LUN requirements
and restrictions)whenconfiguring the paths.
Creating a virtual library
Before creating a virtual library, you must first:
• D etermine the best way to manage VLS virtual library and tape drive LUNs for your environment
(see Managin
g virtual device LUNs)
• Determine the best way to configure virtual libraries and tape drives on your VLS for your
environment. See the HP StorageWorks 300 Virtual Library System solutions guide.
You can configure any combination of virtual tape libraries and virtual tape drives up to the maximum
number suppor ted on the VLS. You can configureonenodewithupto16librarieswithatotalofupto
128 ta p e dr
ives. With multiple nodes, a single library can span across nodes.
To create a new virtual library:
1. Open a Command View VLS session and log in as the administrator. See Opening a Command
View VLS session from Command View TL.
2. Click the S
ystem tab.
3. Select Chassis in the navigation tree.
4. Click Create Virtual Library in the task bar.
The Creat
e Virtual Library Wizard opens (Figure 37).
Figure 3 7 Create Virtual Library Wizard window (1 of 12)
5. SelecttheFChostportandnodeonwhichtopresentthevirtuallibrary.
Only one port or por t pair may be selected.
6. Select the type of tape library to emulate.
72
Configuration
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