HP StorageWorks MSA2012i HP StorageWorks 2000 Modular Smart Array Reference Gu - Page 45
Configuring iSCSI Login Authentication
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■ iSNS Address - Specifies the IP address of an iSNS server. The default address is all zeroes. ■ Alternate iSNS Address - Optional. Specifies the IP address of an alternate iSNS server, which can be on a different subnet. The default address is all zeroes. Settings that can differ for each port are: ■ IP Address - IP address for a specific port. The system uses port 0 of each controller as one failover pair, and port 1 of each controller as a second failover pair. Therefore, port 0 of each controller must be in the same subnet, and port 1 of each controller should be in a second subnet. For example: ■ Controller A port 0: 10.10.10.100 ■ Controller A port 1: 10.11.10.120 ■ Controller B port 0: 10.10.10.110 ■ Controller B port 1: 10.11.10.130 ■ IP Mask - IP subnet mask for a specific port. The default is 255.255.255.0. ■ Gateway - Gateway IP address for a specific port. The default is 0.0.0.0. Caution - Changing IP settings can cause data hosts to lose access to the storage system. To configure host ports: 1. Select Manage > General Config > Host Port Configuration. 2. Set the common and port-specific options. 3. Click Update Host Port Configuration. Configuring iSCSI Login Authentication You can use Challenge-Handshake Authentication Protocol (CHAP) to perform authentication between the originator (initiator) and recipient (target) of a login request. To perform this identification, a database of CHAP entries must exist on each device. Each CHAP entry can specify one name-secret pair to authenticate the originator only (one-way CHAP) or two pairs to authenticate both the originator and the recipient (mutual CHAP). For a login request from an iSCSI host to a storage system, the host is the originator and the storage system is the recipient. You can enable or disable CHAP on the iSCSI Host Port Configuration page; see "Configuring iSCSI Host Ports" on page 44. Chapter 2 Configuring Your System for the First Time 45