Administrator Guide

Create an RDM and Map it to a VMware Virtual Machine
You can create a volume, map it to a VMware virtual machine, and create a raw device mapping to the virtual machine in one operation.
Prerequisite
In order for the Create RDM Volume option to appear in Storage Manager, the virtual machine must be powered on. If Storage Manager
determines that the VM is not powered on, the Create RDM Volume menu option is not displayed.
Steps
1 Click the Servers view.
2 Click the plus sign (+) next to the vSphere host, on which the virtual machine is located, to display the Virtual Machines node.
3 Click the plus sign (+) next to the Virtual Machines node to display the virtual machine.
4 Select the virtual machine on which to create the datastore.
5 Click Create RDM Volume.
6 Enter a name for the datastore in the Volume Name eld.
7 Select the unit of storage from the drop-down menu and enter the size of the datastore in the Total Space eld.
8 Select the Storage Center on which to create the volume.
• To manually choose a Storage Center, select it from the Storage Center drop‑down menu.
• To automatically choose a Storage Center based on capacity and performance, click Recommend a Storage Center. The
recommended Storage Center appears in the Storage Center drop-down menu.
9 To congure advanced volume mapping options, click Advanced Mapping.
10 To congure the volume creation settings, click Volume Settings. In the Volume Settings dialog box appears, modify the options as
needed, then click OK.
• To specify the name of the volume, type a name in the Name eld.
• To specify the folder in which the volume will be created, select a folder from the Volume Folder area.
• To add notes to the volume, type notes in the Notes eld.
• To schedule snapshot creation and expiration for the volume, apply one or more Snapshot Proles by clicking Change across from
Snapshot Proles.
• If Chargeback is enabled, select the department to charge for storage costs associated with the volume by clicking Change across
from Chargeback Department.
• To enable caching for reads on the volume, select the Enabled check box across from Read Cache.
• To enable caching for writes on the volume, select the Enabled check box across from Write Cache.
• To enable compression on eligible data in the volume, select the Enable check box across from Compression.
• To use specic tiers and RAID levels for volume data, select the appropriate Storage Prole from the Storage Prole drop-down
menu. Using the Recommended Storage Prole allows the volume to take full advantage of data progression.
11 If more than one Storage Type is dened on the Storage Center, select the Storage Type to provide storage from the Storage Type
drop-down menu.
12 Click OK.
Expand a Datastore
Expand a VMware datastore if it is running out of space.
1 Click the Servers view.
2 Select the datastore in the Servers pane.
3 In the right pane, click Expand Datastore. The Expand Datastore dialog box appears.
4 In the New Size eld, type a new size for the datastore.
5 Click OK.
Storage Center Server Administration
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