Drobo B1200i Manuale utente
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
1
Multipathing I/O (MPIO) enables the use of multiple
iSCSI ports on a Drobo SAN to provide fault tolerance.
MPIO can also boost performance of an application by
load balancing traffic across multiple ports. This guide
describes how to easily configure MPIO to Drobo iSCSI
storage for a Windows server.
Topics
What you will need & Prerequisites
Provisioning Drobo storage volumes
Disabling Drobo Dashboard on cluster member hosts
Enabling Windows clustering and Hyper-V
Configuring the iSCSI initiator
Activating and formatting Drobo volumes
Configuring the Microsoft cluster
Provisioning Hyper-V virtual machines
What You Will Need
•Drobo iSCSI SAN storage B1200i, updated to the current firmware version
•Drobo Dashboard management software, updated to the current software version
•Two Windows 2008 R2 Servers
•An available static IP address for Microsoft cluster services
Prerequisites
This document assumes that the Drobo iSCSI SAN has been deployed and Drobo Dashboard has been installed on
all hosts in the cluster and a management server or workstation. If the Drobo has not been configured, follow the
directions in the Drobo Getting Started Guide.
•B1200i - http://www.drobo.com/media/pdf/Drobo_B1200i-getting-started.pdf
You can find the current versions of firmware and Drobo Dashboard software on www.drobo.com > Support >
Updates.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
2
Provisioning Drobo Storage
STEP 1
Launch the Drobo
Dashboard application and
select the Drobo to use to
provision storage.
On the Volumes menu, click
Add Volume to launch the
volume creation wizard.
STEP 2
Select Cluster (Multi-
Host) as the format type
and click Next.
The multi-host format type
permits multiple hosts to
connect to the same
storage volume.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
3
STEP 3
The first volume will be
used as the Quorum (also
known as the witness) disk,
used by the Windows
Clustering Service to store
configuration information
about the Windows cluster.
Move the slider all the way
to the left and verify that
the Volume Size is set to
the minimum size of 50GB.
Click Finish to complete
the wizard.
STEP 4
The second volume will be
used to store Hyper-V
virtual machines hard disks.
Repeat steps 1 - 4 to create
a 16TB for virtual machine
storage.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
4
STEP 5
Once both volumes have
been created, record the
Target Name for each
volume, as they will be
needed in subsequent
steps.
Windows Clustering is an advanced application and requires manual configuration of the iSCSI settings. The newly
created volumes will not be mounted from the Drobo Dashboard.
STEP 6
Click on Device Settings
> Network to view the
Drobo’s network
configuration.
Record the IP address for
all iSCSI ports in use on the
Drobo, as they will be
needed in subsequent steps
to configure the iSCSI
parameters.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
5
Disabling Drobo Dashboard on Cluster Member Hosts
Drobo Dashboard typically handles all aspects of provisioning and mapping storage on Windows hosts. During
installation it also modifies a number of registry settings to optimize iSCSI performance with the Drobo SAN.
In a clustered environment, the Dashboard’s fault monitoring can interfere with disk migration between hosts. To
provide the best performance while ensuring disk failover performs seamlessly, the Dashboard must be installed and
then disabled on all cluster members.
Once the service is disabled, a management server or workstation can be used to monitor and provision storage on
the Drobo via the management port.
STEP 1
To load the Server
Manager, select Start >
All Programs >
Administrator Tools >
Server Manager.
Select Action > Add
Features to launch the
Add Features wizard.
To launch the Server
Manager from the run
command, enter
ServerManagerCmd.exe
and press enter.
STEP 2
Expand the
Configuration
container and select
Services.
Scroll down the list of
services to find Drobo
Dashboard Service.
Double -click Drobo
Dashboard Service to
display the properties
screen.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
6
STEP 3
In the General tab, choose Disabled from the
Startup type drop-down menu.
In the Service status section toward the
bottom of the window, click the Stop button
to terminate the service currently running.
Click OK to save the changes.
Drobo Dashboard is now disabled and should
not be enabled on the host.
Repeat steps 1 – 3 on all remaining cluster
hosts.
Management of the Drobo must now be
performed from a management server,
workstation, or any non-clustered host.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
7
Enabling Windows Clustering and Hyper-V
Since network topology and interface configuration varies greatly between deployments, configuration of Hyper-V
virtual network interfaces is outside the scope of this document. Virtual machine networking will be configured after
the cluster has been installed and tested. Virtual networking is not required during the cluster deployment or to
perform live virtual machine failover.
After the Hyper-V cluster installation is complete, consult the Microsoft documentation on virtual network interface
configuration to enable networking:
•Microsoft Whitepaper - http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=9843
•Getting Started Guide - http://technet.microsoft.com/en-us/library/ee344828(v=ws.10).aspx
STEP 1
To load the Server Manager,
select Start > All Programs >
Administrator Tools > Server
Manager.
To launch the Add Features
wizard, select Action > Add
Features.
To launch the Server Manager
from the run command, enter
ServerManagerCmd.exe and
press enter.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
8
STEP 2
Select Failover Clustering and
Multipath I/O and click Next.
On the next screen a summary of
features to be installed is
displayed. Verify that both
Failover Cluster and Multipath
I/O are listed and click Install.
A reboot may be required to
complete the installation. If
prompted to reboot, click OK.
STEP 3
If a reboot was required, repeat
Step 1 to load the Server
Manager.
Select Action > Add Roles to
launch the Add Roles Wizard.
Select the Hyper-V role and
click Next to continue.
Click Next on the Introduction to
Hyper-V screen.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
9
STEP 4
Verify no Network Adapters are
selected and click Next.
On the summary screen verify
that the Hyper-V role is selected
and click Install.
A reboot may be required to
complete the installation. If
prompted to reboot, click OK.
STEP 5
Repeat all the steps in this section on the secondary server to be used in the cluster to enable the required roles
and features.
Drobo How-To Guide
Deploy Drobo B1200i with Microsoft Hyper-V Clustering
drobo.com | Deploy Drobo B1200i with Microsoft Hyper-V Clustering
10
Configuring the iSCSI Initiator
The iSCSI initiator maps Drobo SAN storage to the server and is normally automatically configured by Drobo
Dashboard. Windows clustering, however, is an advanced topic and requires steps that are not supported by Drobo
Dashboard.
STEP 1
To load the iSCSI initiator, click Start
> Control Panel > iSCSI.
On the Discovery tab, click Discover
Portal.
STEP 2
Enter the first Drobo iSCSI IP address
in the IP address or DNS name field
and verify that the port is set to 3260.
Click OK and repeat this step until all
Drobo iSCSI IP addresses have been
added.
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