Understanding Luns And Viewing Lun Information - Adaptec DuraStor 7220SS User Manual

To configure the host channels:
1
From the System Menu, select Configuration Menu and press
Enter.
The Configuration menu appears.
2
Select Host Configuration and press Enter.
If the controller is in stand-alone dual-port mode, the Channel
menu appears. Select the channel you want to configure and
press Enter.
The next menu displayed depends upon the mode you are
using. An * appears next to the current setting in each menu. See
Table 5-1 on page 5-4
3
Select the setting you want from each menu and press Enter.
The system confirms that you want to make the changes.
4
Select Yes and press Enter to make the changes.
Understanding LUNs and Viewing LUN
Information
The RAID controller supports up to 64 SCSI LUNs, numbered
0 through 63. There are three different types of LUNs:
Controller LUNs—Assigned when you are using CAPI to
I
configure the controller over a host channel via SCSI protocol
extensions. If you are using CAPI, set the controller LUN to a
value between 0 and 63. If you are not using CAPI, set the
controller LUN to None.
Note: Most Unix, Linux, and Macintosh OSs require that the
controller LUN be a higher value than all array LUNs.
Before creating your first array, change the controller LUN
to a high value or select None (best choice) if you are not
using CAPI to manage the arrays. This allows your first
array to be seen at LUN 0.
for information about each setting.
Configuring the Controller
5-5