Avago Technologies LSI SAS 3041E-R - Manual (Page 133)

Setup Utility Menu Screens 7-13
Version 1.3 Copyright © 2001, 2002, 2007 by LSI Logic Corporation. All rights reserved.
Table 7.7 provides information on data transfer rates .
7.3.7 RAID Properties Menu
The RAID Properties menu initially lists all possible SCSI IDs on the
Adapter SCSI Channel. This allows you to select disks to create an array.
Figure 7.7 shows an example of the RAID Properties menu.
Scan LUNs > 0 Indicates whether to scan for LUNs greater than zero for a device. The default is
Yes. LUN zero is always queried. Set this option to No if you have problems with
a device that responds to all LUNs whether they are occupied or not. Also, if a
SCSI device with multiple LUNs exists on your system but you do not want all of
those LUNs to be available to the system, set this option to No. This will limit the
scan to LUN 0 only.
Disconnect Indicates whether to allow a device to disconnect during SCSI operations. The
default is On. Some (mostly newer) devices run faster with disconnect enabled,
while some (mostly older) devices run faster with disconnect disabled.
SCSI Timeout Indicates the maximum amount of time [0 to 255] in seconds to wait for a SCSI
operation to complete. The default is 10 seconds. Because time-outs provide a
safeguard that allows the system to recover if an operation fails, LSI recommends
using a value greater than zero. A value of zero allows unlimited time for an
operation to complete and could result in the system hanging. To specify a new
timeout value, press Enter, type in a value, and press Enter again.
Queue Tags Allows the use of queue tags for a device. The Fusion-MPT SCSI BIOS does not
use queue tags. This item specifies queue tag control to higher level device
drivers. The default is On.
Boot Choice Indicates if this device can be selected as the boot device. This option is only
applicable to devices attached to adapter 0 in the boot list on non-BBS systems.
It provides primitive BBS flexibility to non-BBS systems.
Restore Defaults Highlight this field and press Enter to restore default settings for this device.
Table 7.6 Device Properties Field Description (Cont.)
Field Description
Table 7.7 Data Transfer Rate Information
Mega Transfers/s
Data Width = 8
(Mbytes/s)
Data Width = 16
(Mbytes/s)
Synchronous
Period (nsec)
0 = Async 0 = Async 0 = Async 0 = Async
5 5 10 200
10 10 20 100
20 20 40 50
40 40 80 25