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Sooner or later you will need more disks in your cluster. This post will describe how to add a virtual disk with iSCSI in a Windows Failover Cluster. Setup in Hyper-V.

TL;DR

1. Add Virtual Disk in your iSCSI Target.
2. Open iSCSI initiator on node1 and Auto Configure.
3. Configure and format the disk in Disk Management.
4. Make sure both nodes can see the disk fully configured and formatted.
5. Add disk to Failover Cluster.

Index

• Add Virtual Disk
• Configure disk in iSCSI Initiator
• Disk Management
• Add disk to Windows Failover Cluster
• Summary

Add Virtual Disk

First, we need a new disk for our purpose. Add a new iSCSI Virtual Disk in your iSCSI target on your fileserver.

Walk through the wizard, review the settings and confirm:

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Configure disk in iSCSI Initiator

Open iSCSI Initiator on the first node. Server Manager-> Tools-> iSCSI Initiator.

Got to tab Volumes and Devices and click Auto Configure. You should now pick up the newly created disk in your iSCSI Target.

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Disk Management

Open Disk Management. Here you can configure and format the disk.

1. Bring the Disk online.
2. Initialize the Disk.
3. Create a new simple volume and label it.

When done, you will see the disk like this:

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Add disk to Windows Failover Cluster

From Windows Failover Cluster, right click on Disks:

Possible disks selection will pop up:

Once the disk is added, it will look like this:

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Summary

Nothing fancy in this post. A simple explanation about ow to add a disk to an already created Windows Failover Cluster. Clustered resources like MSDTC must have its own shared volume (disk).

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