Thursday, November 6, 2014

Extending Cluster Shared Volumes (CSV) VHD in iSCSI Target Server 2012.

1. Extend LUN using OEM-specific tools in case of SAN.
2.  In case of iSCSI Virtual Disk first you need to extend the partition were iSCSI VHD files reside (in my case D: drive) on the iSCSI Target server.
3. Then go to Server manager -> select File and storage service -> iSCSI
4. Right click the .vhd which need to be extended then select Extend iSCSI Virtual Disk and provide new size.

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5.  After extending LUN Find the CSV Owner which need to be extended by the following steps.
6.   Click Start, Administrative Tools, Failover Cluster Manager.
7.  Connect to the Cluster by clicking Manage Cluster from the MMC action pane
8.  Highlight the Cluster Shared Volumes node, and locate the server name under Current Owner.
9.  Then login to Cluster Owner server and go to Disk management.
10. From Disk management Action Menu -> Click ‘Rescan Disks’ and we can see the unallocated space there.
11. Right click the shared volume Disk and select Extend volume and provide the full unallocated space.
12. After that go to failover cluster and perform a refresh and now you can see the Cluster share volume is extended.

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