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An administrator has created a Virtual SAN Cluster using Automatic Mode Disk Groups. There is very little storage space left in the cluster. The administrator has access to an iSCSI storage array.
Which approach should the administrator take to expand the Virtual SAN Cluster?
A. Add new hosts to the cluster with available local disks then click the Claim Disks icon in the Disk Management section under the Virtual SAN tab.
B. Add new disks to the hosts in the cluster then click the Claim Disks icon in the Disk Management section under the Virtual SAN tab.
C. Add new hosts to the cluster with available local disk. No further action is required to claim the added storage.
D. Provision new LUNs on the iSCSI storage and present one LUN to each host in the cluster. No further action is required to claim the added storage.
Correct Answer: C
Explanation/Reference:
Explanation:
A Virtual SAN does not support iSCSI storage. The only way we can additional disk space to the vSAN is to add new hosts with available local storage or add storage to the existing hosts.
You can expand an existing Virtual SAN cluster by adding hosts or disks to the hosts without disrupting any ongoing operations.
Use one of the following methods to expand your Virtual SAN cluster.
Add new ESXi hosts directly to the cluster.
Move existing hosts to the cluster by using Host Profile.
New cluster members add storage and compute capacity. If you use Virtual SAN in automatic mode, local storage disks on the new cluster member will be automatically aggregated into a disk group and claimed by the Virtual SAN datastore. If Virtual SAN is set to manual, you must manually create a subset of disk groups from the local storage disks on the newly added host.
Add new storage disks to ESXi hosts that are cluster members. If you use Virtual SAN in automatic mode, the new disk that you add joins an existing disk group. If Virtual SAN is set to manual, you must manually add the disk to the disk group on the host.
Incorrect Answers:
A: With a vSAN in automatic mode, you cannot click the Claim Disks icon in the Disk Management section under the Virtual SAN tab. If you use Virtual SAN in automatic mode, local storage disks on the new cluster member will be automatically aggregated into a disk group and claimed by the Virtual SAN datastore. Therefore, this answer is incorrect.
B: With a vSAN in automatic mode, you cannot click the Claim Disks icon in the Disk Management section under the Virtual SAN tab. If you use Virtual SAN in automatic mode, local storage disks on the new cluster member will be automatically aggregated into a disk group and claimed by the Virtual SAN datastore. Therefore, this answer is incorrect.
D: A Virtual SAN does not support iSCSI storage. Therefore, this answer is incorrect.
References:
http://pubs.vmware.com/vsphere-55/index.jsp#com.vmware.vsphere.storage.doc/GUID-666D9839-2726-4936-8C0F-94476ECE0606.html