Novell LINUX ENTERPRISE SERVER 11 - STORAGE ADMINISTRATION GUIDE 2-23-2010, Руководство администратора, Страница: 125 / 140

Mass Storage over IP Networks: iSCSI 125
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13.3.1 Using YaST for the iSCSI Initiator Configuration
The iSCSI Initiator Overview in YaST is divided into three tabs:
Š
Service: The Service tab can be used to enable the iSCSI initiator at boot time. It also offers to
set a unique Initiator Name and an iSNS server to use for the discovery. The default port for
iSNS is 3205.
Š
Connected Targets: The Connected Targets tab gives an overview of the currently connected
iSCSI targets. Like the Discovered Targets tab, it also gives the option to add new targets to the
system.
On this page, you can select a target device, then toggle the start-up setting for each iSCSI
target device:
Š
Automatic: This option is used for iSCSI targets that are to be connected when the iSCSI
service itself starts up.This is the typical configuration.
Š Onboot: This option is used for iSCSI targets that are to be connected during boot; that is,
when root (
/
) is on iSCSI. As such, the iSCSI target device will be evaluated from the
initrd on server boots.
Š Discovered Targets: Discovered Targets provides the possibility of manually discovering
iSCSI targets in the network.
Š
“Configuring the iSCSI Initiator” on page 125
Š
“Discovering iSCSI Targets by Using iSNS” on page 126
Š
“Discovering iSCSI Targets Manually” on page 126
Š
“Setting the Start-up Preference for iSCSI Target Devices” on page 127
Configuring the iSCSI Initiator
1 Open YaST, and log in as the
root
user.
2 Select Network Services > iSCSI Initiator.
YaST opens to the iSCSI Initiator Overview page with the Service tab selected.
3 In the Service Start area, select one of the following:
Š
When booting: Automatically start the initiator service on subsequent server reboots.
Š
Manually (default): Start the service manually.
4 Specify or verify the Initiator Name .
Specify a well-formed initiator qualified name (IQN) for the iSCSI initiator on this server. The
initiator name must be globally unique on your network. The IQN uses the following general
format:
iqn.yyyy-mm.com.mycompany:n1:n2
where n1 and n2 are alphanumeric characters. For example:
iqn.1996-04.de.suse:01:9c83a3e15f64
The Initiator Name is automatically completed with the corresponding value from the
/etc/
iscsi/initiatorname.iscsi
file on the server.