HP 12000 HP StorageWorks 12000 Gateway Virtual Library System User Guide (AH81 - Page 126

Setting Up the Hosts

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8. Select GO next to Map devices. The window refreshes and the newly mapped devices appear in the list. These devices are now visible to the host. To unmap LUNs by host: 1. Navigate to the Host View window. See the mapping procedure above. 2. Select the appropriate host from the Choose Host list. 3. Select the devices to unmap. 4. Select GO next to Unmap selected devices. The window refreshes and the newly unmapped devices disappear from the list. These devices are no longer visible to the host. NOTE: After you map or unmap the virtual devices, the VLS automatically reassigns a logical unit number (LUN) to each virtual library and tape drive created on the VLS to ensure that the virtual device LUN numbering meets the operating system LUN requirements. Setting Up the Hosts You can configure the hosts in Command View VLS. You will make all of the changes to the hosts from the Host Setup window. To open the Host Setup window: 1. Select the System tab. 2. Expand Chassis in the navigation tree. 3. Expand LUN Mapping in the navigation tree. 126 Configuration

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8.
Select
GO
next to
Map devices
.
The window refreshes and the newly mapped devices appear in the list. These devices are now
visible to the host.
To unmap LUNs by host:
1.
Navigate to the
Host View
window. See the mapping procedure above.
2.
Select the appropriate host from the
Choose Host
list.
3.
Select the devices to unmap.
4.
Select
GO
next to
Unmap selected devices
.
The window refreshes and the newly unmapped devices disappear from the list. These devices
are no longer visible to the host.
NOTE:
After you map or unmap the virtual devices, the VLS automatically reassigns a logical unit number
(LUN) to each virtual library and tape drive created on the VLS to ensure that the virtual device LUN
numbering meets the operating system LUN requirements.
Setting Up the Hosts
You can configure the hosts in Command View VLS. You will make all of the changes to the hosts
from the
Host Setup
window.
To open the
Host Setup
window:
1.
Select the
System
tab.
2.
Expand
Chassis
in the navigation tree.
3.
Expand
LUN Mapping
in the navigation tree.
Configuration
126