If the protocol value is set to auto and both iscsi

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If the Protocol value is set to Auto and both iSCSI and FC are available, FC will be used.
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Page 44 Optionally pre-provisioned volumes can be imported. Please refer to the StorageLink documentation for more details. Click Finish.
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Page 45 After the Storage Repository has been created you can start creating VMs on this Storage Repository. During the VM creation, the correct initiator (FC or iSCSI) will be configured automatically on the array. If changes are required for the initiator settings on the array, please follow the instructions in the EMC documentation.
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Page 46
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Page 47 Setting up an iSCSI Storage Repository Introduction To optimize the availability of the iSCSI Storage Repository in the environment used to create this document, we used 2 dedicated storage networks for the XenServer Resource Pool on separate subnets. See the figure below for the full setup. Pre-configuration XenServer It's recommended best practice to create a separate network for your Storage Repository apart from your management traffic and VM network traffic. The storage traffic should be on separate subnets. This section describes the steps required to create a separate storage network.
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Page 48 Creating dedicated storage networks In XenCenter select your resource pool and select the Network tab in the right pane. Under Management Interfaces click Configure
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Page 49 In the Management Interfaces dialog box, click New Interface Give the new interface a recognizable name, and select the Network you want the dedicated interface on.
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Page 50 Click on the Use these IP and DNS settings: radio button and enter a starting IP address for the NICs in the Network. Repeat the above steps for each NIC dedicated to storage, and click OK.
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Page 51 In the environment used for this document we have 2 paths available from each server and created 2 dedicated storage networks.
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Page 52 Determining or Changing the iSCSI IQNs If you are planning to connect the CLARiiON over iSCSI we need to have the IQNs available for setting up the array. To change or determine the software iSCSI initiators for the XenServer hosts, for each host , right-click on the XenServer host in XenCenter and select Properties. In the Properties window select the General option on the left (default) and write down or change (if required) the value of the iSCSI IQN field. Click OK when done.
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Page 53 EMC CLARiiON and XenServer iSCSI Setup This section will describe the steps required to setup the CLARiiON array as an iSCSI Storage Repository with XenServer. Creating Initiator Records There are no EMC PowerPath Agents available for XenServer which requires you to manually create and register host initiator records for your XenServer hosts. Follow the following instructions to do this. In Navisphere right-click your array and select Connectivity Status.
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Page 54 In the Connectivity Status window click Create.
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