
Configuring the System
5-11
Hard Disk Drive SCSI-ID
Each SCSI device must be identified on the SCSI bus by a logical address, called SCSI-ID.
Hard disk drives are identified by a SCSI-ID which is automatically defined as the hard disk
drive is installed in a given position. No manual intervention is required.
Note:
If you purchased the hard disk drive from a supplier other than your system supplier,
be sure that the device itself has no SCSI-ID set but has the motor delay jumper set.
Refer to the documentation delivered with the device.
The following table details the correspondence between physical position and SCSI-ID for
hard disk drives installed on your system.
It details also the suggested installation sequence.
The suggested sequence fills in:
•
First Areas 5 and 4, which can be managed by the embedded SCSI-1 controller, and
•
Then Areas 3 and 2, which must be managed by an additional SCSI controller.
If you install one additional SCSI controller, even if all the disk devices you have could be
managed by the embedded SCSI-1 controller, the suggestion is to balance the load
between the two controllers (e.g., if you have four disk devices and two controllers, install
two disk devices in Area 5 and the other two in Area 3).
The installation sequence is not directly linked to the SCSI-ID. Even if the installation
sequence is not the one reported here, the correspondence between physical position and
SCSI-ID remains unchanged.
HARD DISK DRIVE CONFIGURATION TABLE
Device
Area
Physical
Position
SCSI-ID
1
-
-
-
-
2
D10
8
D11*
9
D12*
A
3
D7
0
D8
1
D9
2
4
D4
8
D5
9
D6
A
5
D1 (system disk)
0
D2
1
D3
2
Legend:
D
n
= D hard disk drive
n
number giving the installation sequence of devices inside the system unit.
*
Revert the installation sequence of D11 and D12, in case of 18G byte disk.
Содержание ESCALA E250
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Страница 100: ...5 20 Setup Guide RAID Controller Managing One SCSI Bus Legend L T LVD SE terminating plug JC Jumper cable...
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