How to move Virtual Machines from a Local Storage DataStore to a shared storage DataStore?

We have 3 ESXi Hosts with local storage and all of our Virtual Machine information is located on the ESXi Host local Disk Drives (Raid-10).  We just purchased a new SAN and the vendor/re-seller is scheduled to install the new SAN and connect it to our existing VmWare Envirnment and IT infrastructure.

Keep in mind that we have an existing Virtual:

- DataCenter
- Cluster
- VCenter Server Appliance (VCSA)

The VCSA is located on 1 of the ESXi host's local DataStores.  My questions are:

1.  Once the SAN is setup, how can I get the VMware cluster to recognize the new shared storage DataStores?

2.  Will Storage vMotion be available automatically when the SAN is connected to the VMware cluster?

3.  How may I migrate the VCSA from the local storage to the shared storage?
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PkafkasNetwork EngineerAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
1.  The new SAN will be installed on the rack, by the vendors.
          a.  This has been stated in the terms of the purchase.

Correct, when SAN is this ? Depends what's been agreed with the vendor

2.  Then new SAN will be configured with the required DataStores
          a.  This has already been stated in the terms of the purchase.

They may also want to show you HOW to create them in the future, to your requirements, unless they are going to use all the space and create all of the LUNs/datastores for you

3.  The new SAN will be connected to our IT Infrastructure, by the vendor.
          a.  This has already been stated in the terms of the purchase.
          b.  This includes the ESXi hosts and the network.

hopefully to best practice!

4.  When the SAN is connected to the ESXi hosts, the existing VMware Cluster will see the new datastores, correct?
           a.  A pic of the existing dataStroes is shown below.

Correct, I do not have the detail of their scope of work.... depends what it states...

5.  Will I need to add the new SAN datastores to the Cluster?

Again, if they are creating your datastores, you will not need to do this step.

On a SAN you create a LUN (it's a virtual disk which is presented to an ESXi server), this LUN is then configured and access is granted to an ESXi host, you then click Add datastore, and it's then formatted (the LUN) as a VMFS5 volume = datastore = datastore is given a friendly name and it appears in your storage against the host.


6.  Then I will need to enable Vmotion, from the Cluster.  Will I need to manually enable both Storage VMotion and Virtual Server Vmotion?


You just enable vMotion and create the vMotion network. That will then allow you to vMotion and Storage vMotion.

It's difficult to advise, what your vendor is going to do, because I've not seen their scope of work, that you have paid for!
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
1. Shared storage is added to ESXi hosts. So when you look at the Inventory via VCSA the shared datastores will be available to use, as objects shared datastores associated with hosts. Just like local storage associated with hosts. Difference is all hosts will have access to the same datastore.

2. No, you will need to configure and enable this e.g. vMotion

3. Move it manually. (it will have to be powered off)

see here, I wrote this EE Article which you can use to MOVE/COPY the VCSA to your new SAN.

HOW TO: Clone or Copy a virtual machine in VMware vSphere Hypervisor ESX/ESXi 4.x or ESXi 5.0

you'll need this article as well...

HOW TO: Select the right answer to "I Moved It" or "I Copied It" in VMware vSphere (ESXi)
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PkafkasNetwork EngineerAuthor Commented:
Where does someone see the "Inventory" on the VCSA?  

How can I assign the new Shared Storage DataStores to the VCSA?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
The Inventory, is when you click the Inventory Button! you are viewing it!

Storage is never assigned to VCSA, VCSA is just a management server, which allows you to view Host Servers, which are connected to network interfaces, networks and storage....

Storage is configured and connected to hosts, just like local storage

did you have to do anything in VCSA to see local storage (other than Add Storage to hosts!)
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PkafkasNetwork EngineerAuthor Commented:
I see, from the Vsphere client:

'Home' - 'Inventory' - 'Datastores' and 'Datastore Clusters' , correct?

I was looking at the client, from: 'Home' - 'Inventory - 'Hosts and Clusters'.

To answer your question, when the VCSA was setup it took up 1200 GB of Storage on the ESXI host Datastore; but, I did not have to add the other datastore's from the other hosts to the Cluster.  Perhaps all that will need to be done is to add the new SAN Datastores to the Cluster in:  'Home' - 'Inventory' - 'Datastores' and 'Datastore Clusters'
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You will have to create datastores on the new SAN, and they will appear in datastores.

You will also have to create a Datastore Cluster if you are going to use that function as well, and it will appear in Datastore Cluster.
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PkafkasNetwork EngineerAuthor Commented:
I am not sure I understand.  I really do wish to understand what will need to be done before this project begins.  Is the following correct?

1.  The new SAN will be installed on the rack, by the vendors.
          a.  This has been stated in the terms of the purchase.

2.  Then new SAN will be configured with the required DataStores
          a.  This has already been stated in the terms of the purchase.

3.  The new SAN will be connected to our IT Infrastructure, by the vendor.
          a.  This has already been stated in the terms of the purchase.
          b.  This includes the ESXi hosts and the network.

4.  When the SAN is connected to the ESXi hosts, the existing VMware Cluster will see the new datastores, correct?
           a.  A pic of the existing dataStroes is shown below.

        screen3
5.  Will I need to add the new SAN datastores to the Cluster?

        Screen4
6.  Then I will need to enable Vmotion, from the Cluster.  Will I need to manually enable both Storage VMotion and Virtual Server Vmotion?

If not, how will the new SAN DataStores be added to the existing VMware cluster?
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PkafkasNetwork EngineerAuthor Commented:
I was really interested in points 4-6 from my last comment.  I thought the 1st comment regarding how to copy the VCSA was great as well.
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