HP Hitachi Dynamic Link Manager Software - Manual (Page 370)

Adding a New LU
To add a new LU (HDLM device) to the host on which the HDLM is
installed:
1
.
Use the management program of the storage system to allocate an LU,
which is not yet allocated to the relevant host, to a port of the storage
system that has a path to the relevant host and configure the path.
For more information on configuring the path, see the manual provided
with the storage system.
2
.
When you want to add an LU without restarting the host, perform step 3
and step 4. When you want to add an LU while restarting the host, go to
step 5.
3
.
Create a SCSI device for each path configured in step 1.
Since the host has not been restarted, a SCSI device for the LU that was
added in step 1 was not created. Execute the command for adding the
device shown in the following table to manually create a SCSI device.
Table 4-3 Adding or Deleting a SCSI Device
Operation Command
Adding a device
(for FC-SAN
environments)
• When using a QLogic HBA driver on Red Hat Enterprise Linux
AS4/ES4 Update 1, execute the commands in the following
order:
# echo "scsi-qlascan" > /proc/scsi/driver-name/n
# cat /proc/scsi/driver-name/n
View the Id:Lun part, which is output under SCSI LUN
Information:, of the output command result, and then
execute the following command based on the target ID of the
added device:
# echo "scsi add-single-device a b c d" > /proc/scsi/
scsi
• When using an Emulex HBA driver on Red Hat Enterprise Linux
AS4/ES4 Update 1, execute the following command:
# echo "scsi add-single-device a b c d" > /proc/scsi/
scsi
• When using any of the following OS and HBA driver
combinations:
- Red Hat Enterprise Linux AS4/ES4 Update 3 or later and a
QLogic HBA driver
- Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6 and
a QLogic HBA driver
- SUSE LINUX Enterprise Server and a QLogic HBA driver
- Red Hat Enterprise Linux AS4/ES4 Update 3 or later and an
Emulex HBA driver
- Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6 and
an Emulex HBA driver
- SUSE LINUX Enterprise Server and an Emulex HBA driver
- Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6 and
a Brocade HBA driver
4-38
HDLM Operation
Hitachi Dynamic Link Manager User Guide for Linux ®