VNX - How to create a Storage Group | What is a Storage Group (SG) ?

Storage Group

Introduction 

It is a collection of Hosts and LUNs to communicate with each other providing the high end security for the data.

For every host we should have to create a Storage Group and provisioned LUNs should be added to the storage group to visible the LUNs at the Host end.

Whenever we brought a new server in our environment, after completing the Zoning and creation of LUNs we have to create a storage group.

Adding LUNs to a existing storage group is masking in other words

Masking

It means particular LUN is visible to particular Host. In clear, A LUN can be visible to only one Storage Group/Host.

The procedure for creating a Storage Group is as follows:

Login to the Unisphere.

Unisphere_Image
Unisphere image

Go to Host Tab and select the Storage Group option.

Host-Tab-in-Unisphere
Host Tab in Unisphere


Name the storage group and hit on OK button.

Storage-group
Storage Group Creation Window








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