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Dell EMC Unity™ Family Configuring Hosts to Access Fibre Channel (FC) or iSCSI Storage

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Windows host — Configuring to connect to an iSCSI interface

Before an initiator can establish a session with a target, the initiator must discover where the targets are located and the names of the targets available to it. To obtain this information the initiator uses the iSCSI discovery process. The iSCSI interfaces support discovery with or without an iSNS server. Without iSNS discovery, you must add the target information to the Microsoft iSCSI Initiator. With iSNS discovery, the initiator queries the iSNS server where all iSCSI initiators and targets register themselves, and the server responds with a list of available targets. When the target information is available to the Microsoft iSCSI Initiator, you can connect the host initiator to the target so the host can access the iSCSI LUNs.

NOTE:Unless you are using iSCSI targets in a clustered environment, avoid giving more than one initiator access to the same LUN. Conflicts can occur if more than one initiator tries to write to the LUN. If the LUN is formatted with the NTFS file system in Windows, simultaneous writes can corrupt the NTFS file system on the LUN.

Each iSCSI interface is a target. If a storage system has two iSCSI interfaces, it has two targets. Each target has one session.

To connect to an iSCSI target, you must add the target IP address in Microsoft iSCSI Initiator. If you have multiple targets (iSCSI interfaces), you can use the Microsoft iSCSI initiator to discover the targets through an individual IP address.

To configure the Windows host initiators:

For Windows Servers:

Setting Up MPIO for a Windows Cluster Using a Storage System gives an end-to-end example of setting up a two-node Windows Server 2008 R2 Exchange cluster in an MPIO multi-path configuration.

For Windows 7:

Configuring a Windows 7 initiator to connect to a storage system iSCSI interface

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