HP StorageWorks XP Remote Web Console Software - Manual (Page 43)

LUN Configuration and Security Manager XP user guide for the XP12000/XP10000/SVS200 43
• Port number: You must assign part numbers to iSCSI ports when configuring iSCSI environments. Use
LUN Manager to specify a decimal port number within the range of 1 to 65535. A port number’s
initial value is 3260.
• Keep-alive timer: You must specify the Keep-alive timer when configuring iSCSI environments. The
Keep-alive timer is used when there is a connection between an iSCSI port and another iSCSI node.
For example, if the keep-alive timer is set to 60 seconds, the array checks whether packet
communications occurred between an iSCSI port and another iSCSI node (such as a host bus adapter
or switching hub) every 60 seconds.
Use LUN Manager to specify a value within the range of 0 to 64,800 seconds. The Keep-alive timer’s
initial value is 60 seconds.
• Whether to register iSCSI ports in iSNS servers: The iSNS server is a server computer on which an
iSNS service is installed. iSNS is an acronym for Internet Storage Name Service. This server manages
IP addresses and iSCSI names of iSCSI ports. Using iSNS servers is optional. If you configure and use
iSNS servers, iSCSI ports are easily discovered and managed.
NOTE: For more information about configuring iSNS servers, see the iSNS-related
documentation.
• iSNS server’s IP address: To use an iSNS server, you must specify the iSNS server’s IP address.
• iSNS server’s TCP port number: To use an iSNS server, you must specify the iSNS server’s TCP port
number.
NOTE: Specify 3205 as the TCP port number if you use Microsoft® iSNS Server as the iSNS
server. If you specify other than 3205, you cannot register iSCSI ports in the iSNS server.
Status of connections between hosts and the array
Use LUN Manager to issue a ping command from an array iSCSI port to a host. The ping command
checks whether the host and array can communicate with each other. If the host responds to the ping
command, the host and array can communicate with each other. For more information, see ” Checking the
status of the connection between hosts and the array (iSCSI environments only) ” on page 103.
User authentication (Fibre Channel environments)
When configuring Fibre Channel environments, you can use LUN Manager to set user authentication
between the array’s ports and hosts. In Fibre Channel environments, ports and hosts use Null DH-CHAP
(Challenge Handshake Authentication Protocol with a Null Diffie-Hellmann algorithm) as the
authentication method. This section provides an overview of user authentication.
NOTE: Throughout this user guide, Null DH-CHAP is sometimes referred to as CHAP.
User authentication operations and settings
User authentication operations in Fibre Channel environments contain the following phases:
1. A host group of the array authenticates a host attempting to connect (authentication of hosts).
2. The host authenticates the connection-target host group of the array (authentication of host groups).
CAUTION: Because host bus adapters currently do not support this function, this authentication
phase is not used in Fibre Channel environments.
3. A target port of the array authenticates a Fibre Channel switch attempting to connect (authentication of
Fibre Channel switches).