Chapter 4 Configuring Your Library
Configuring Devices
Scalar i2000 User’s Guide 167
Using the LUN Mapping Wizard 4
LUN mapping is required to give hosts access to partitions and devices.
You can also make devices appear to the host as if they were at lower
LUNs in order to optimize library performance.
The LUN Mapping Wizard guides you through the setup of LUN
mapping for your Fibre Channel hosts.
The LUN Mapping Wizard automatically assigns sequential numbers for
the external LUN of each mapped device, without any gaps between them
per blade. When using the LUN Mapping Wizard, the LUN for some
devices may change even if you did not specify the changes. If a control
LUN is mapped, it is always assigned LUN 0.
If you want to manually assign a target LUN, or
want to add/modify/delete the host, select
Setup→ Device→ Access→ FC Host on the menu
bar. For more information, see
FC Host on
page 157.
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