HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 21
iSCSI connection configurations, Fabric connect iSCSI, Direct connect iSCSI
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iSCSI connection configurations The EVA4x00/6x00/8x00 support iSCSI attach configurations using the HP MPX100. Both fabric connect and direct connect are supported for iSCSI configurations. For complete information on iSCSI configurations, go to the following website: http://h18006.www1.hp.com/products/storageworks/evaiscsiconnect/index.html NOTE: An iSCSI connection configuration supports mixed direct connect and fabric connect. Fabric connect iSCSI Fabric connect provides an iSCSI solution for EVA Fibre Channel configurations that want to continue to use all EVA ports on FC or if the EVA is also used for HP Continuous Access EVA. Make sure the following requirements are met when configuring your MPX100 environment for fabric connect: • A maximum of two MPX100s per storage system are supported • Each storage system port can connect to a maximum of two MPX100 FC ports. • Each MPX100 FC port can connect to a maximum of one storage system port. • In a single MPX100 configuration, if both MPX100 FC ports are used, each port must be connected to one storage system controller. • In a dual MPX100 configuration, at least one FC port from each MPX100 must be connected to one storage system controller. • The Host Port Configuration must be set to Fabric Connect using the OCP. • HP Continuous Access EVA is supported on the same storage system connected in MPX100 fabric connect configurations. Direct connect iSCSI Direct connect provides a lower cost solution for configurations that want to dedicate controller ports to iSCSI I/O. When using direct connect, the storage system controllers are connected directly to the MPX100(s), not to SAN Fibre Channel switches. Make sure the following requirements are met when configuring your MPX100 environment for direct connect: • A maximum two MPX100s per storage system are supported. • In a single MPX100 configuration, if both MPX100 FC ports are used each port must be connected to one storage system controller. • In a dual MPX100 configuration, at least one FC port from each MPX100 must be connected to one storage system controller. • The Host Port Configuration must be set to Direct Connect using the OCP. • HP Continuous Access EVA cannot be used with direct connect configurations. • EVAs cannot be directly connected to each other to create HP Continuous Access EVA configuration. However, hosts can be direct connected to the EVA in a HP Continuous Access configuration. At least one port from each array in an HP Continuous Access EVA configuration must be connected to a Fabric connection for remote array connectivity. iSCSI connection configurations 21
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