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© Copyright IBM Corporation, 2013

Branch office enablement solution with IBM storage systems and Riverbed

Granite technologies

A technical report of branch office file server enablement with IBM Storwize V7000 Unified storage system, IBM System Storage SAN Volume

Controller, and Riverbed Steelhead EX + Granite appliances

Udayasuryan Kodoly Darrin Cooke Larry Garibay

IBM Systems and Technology Group ISV Enablement

February 2013

Branch office enablement solution with IBM storage systems and Riverbed Granite technologies

Table of contents Abstract .............................................................................................................................. 1 Executive Summary ........................................................................................................... 1

Intended audience ............................................................................................................................ 2 Scope ................................................................................................................................................ 2

Prerequisites ...................................................................................................................... 2 Solution components......................................................................................................... 2

IBM Storwize V7000 and Storwize V7000 Unified storage system .................................................. 2 Features ..................................................................................................................... 3 Hardware summary .................................................................................................... 4

IBM System Storage SAN Volume Controller .................................................................................. 4 Highlights .................................................................................................................... 5

Riverbed Steelhead EX + Granite .................................................................................................... 5 Use case: Branch office file server with Steelhead EX + Granite .................................................... 6 Key solution benefits ......................................................................................................................... 7

Solution architecture ......................................................................................................... 8 Material list for solution setup in the lab ........................................................................................... 9 Configure iSCSI host on IBM Storwize V7000 storage system ...................................................... 10

Creating iSCSI hosts ................................................................................................ 10 Provisioning storage from IBM Storwize V7000 and IBM System Storage SAN Volume Controller18

Create new volumes ................................................................................................. 18 Advanced settings for thin-provisioned volumes ...................................................... 25

Configuring Granite appliances ...................................................................................................... 27 Configuring Granite Edge ......................................................................................... 27 Configuring Granite Core ......................................................................................... 28 Configuring iSCSI settings ....................................................................................... 32 Configuring iSCSI LUNs ........................................................................................... 33

Summary .......................................................................................................................... 45 Appendix A: Glossary ...................................................................................................... 46 Appendix B: Resources ................................................................................................... 47 About the author .............................................................................................................. 48 Trademarks and special notices ..................................................................................... 49


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Abstract The objective of this paper is to provide essential technical information on how to deploy a combined solution with Riverbed Steelhead EX + Granite appliances and IBM Storwize V7000 or IBM Storwize V7000 Unified storage system and IBM System Storage SAN Volume Controller to deliver an enterprise-class branch office box that enables organizations drive greater consolidation of branch infrastructure.

Executive Summary IBM® Storwize® V7000 and Storwize V7000 Unified are virtualized storage systems designed to consolidate workloads into a single storage system for simplicity of management; reduced cost; highly scalable capacity, performance, and high availability. They offer improved efficiency and flexibility through built-in solid-state drive (SSD) optimization, thin provisioning, and nondisruptive migration of data from existing storage. They can also virtualize and reuse existing disk systems, offering a greater potential for return on investment (ROI). IBM Storwize V7000 and Storwize V7000 Unified supports integrated IBM Real-time Compression™, enabling storage of up to five times as much active primary data in the same physical space for extraordinary levels of efficiency.

IBM System Storage® SAN Volume Controller (SVC) is designed to take control of existing storage, retaining all your existing information. This ability helps speed and simplifies implementation while helping to minimize the need for additional storage. After SAN Volume Controller is implemented, you can make changes to the configuration quickly and easily as needed.

Riverbed Steelhead EX + Granite product delivers edge virtual server infrastructure that extends an enterprise storage area network (SAN) out to remote offices. It enables organizations to centralize and consolidate branch office storage at a primary data center. Steelhead EX + Granite combines Riverbed Steelhead and Granite software capabilities with the goal of serving write-intensive and custom applications in the branch with IBM Storwize® V7000 or Storwize V7000 Unified storage infrastructure projected from the data center, eliminating storage requirement at remote branch offices previously considered too difficult to consolidate.

Riverbed Steelhead EX + Granite solutions include the following benefits.

• Reduces IT costs up to 50% compared with managing traditional, distributed infrastructure

• Enables centralized management and control of data, applications, and servers

• Increases business agility

• Ensures data security

This deployment guide describes how to deploy a file server in a branch office environment using Riverbed Steelhead EX + Granite appliances in combination with IBM Storwize V7000 or IBM Storwize V7000 Unified storage system and ESX Server using the iSCSI protocol.


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Intended audience This technical report is intended for:

• Customers and prospects looking to implement a combined solution with Riverbed Steelhead EX + Granite and IBM Storwize V7000 or Storwize V7000 Unified storage system located in the data center.

• Users and management seeking information to implement a combined solution with Riverbed Steelhead EX + Granite and IBM Storwize V7000 or Storwize V7000 Unified storage system located in the data center.

Scope

This technical report provides:

• Detailed deployment steps of a combined solution with Riverbed Steelhead EX + Granite and IBM Storwize V7000 or Storwize V7000 Unified storage system into an optimized solution to virtualize storage outside of the data center.

• Detailed design and implementation guide and configuration best practices.

This technical report does not: • Discuss any performance analysis from a user perspective. • Replace any official manuals and documents from IBM and Riverbed on the products used in

the solution.

Prerequisites This technical paper assumes familiarity with the following prerequisites:

• Basic knowledge of following Riverbed products: − Riverbed Steelhead appliance installation and configuration process − Riverbed Steelhead management interface

• Basic knowledge of IBM Storwize V7000 or IBM Storwize V7000 Unified system

Solution components This section briefly describes the essential components used in this solution.

IBM Storwize V7000 and Storwize V7000 Unified storage system In today’s storage management, breaking the cycle of increased complexity and explosive data growth can be a big challenge. The old ways of buying and managing storage have become less effective. Due to resource constraints in both physical storage resources and human resources, IT organizations must act quickly to optimize and simplify their infrastructure. Unchecked complexity and growth can only become bigger problems over time. To stand up to these challenges and allow businesses to respond to a rapidly changing marketplace, IBM Storwize V7000 and Storwize V7000 Unified are virtualized storage systems to complement


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virtualized server environments that provide unmatched performance, availability, advanced functions and highly scalable capacity never seen before in midrange disk systems. As members of the IBM Storwize family, Storwize V7000 and Storwize V7000 Unified are powerful midrange disk systems that have been designed to be easy to use and enable rapid deployment without additional resources. Storwize V7000 supports block workloads, whereas Storwize V7000 Unified consolidates block and file workloads into a single storage system for simplicity of management and reduced cost. Storwize V7000 and Storwize V7000 Unified are virtual storage systems that offer greater efficiency and flexibility through built-in SSD optimization and thin-provisioning technologies. Integrated IBM Real-time Compression enhances efficiency even further by enabling storing up to five times as much active primary data in the same physical disk space. Storwize V7000 and Storwize V7000 Unified advanced functions also enable nondisruptive migration of data from existing storage, simplifying implementation and minimizing disruption to users. Finally, these systems also enable you to virtualize and reuse existing disk systems, supporting a greater potential ROI.

Figure 1: IBM Storwize V7000 Unified configuration

Features • Automatic migration of frequently accessed data to high performing SSDs

• Provisioning support for business applications that need to grow dynamically, but only

consume the storage space they are actually using

• Migration capabilities that provide efficiency and business value in a nondisruptive migration

• IBM Real-time Compression for extraordinary efficiency, enabling storage of up to five times

as much active data in the same physical disk space

• Unified storage capability for greater simplicity and efficiency


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• Policy-based file management

• Support for near instant data copies for backup or application testing

• Integrated instant copy capabilities for critical business needs

• Integrated tools and capabilities for server and storage management

• Clustered systems to support growing business needs while controlling costs

Hardware summary • 2U rack-mountable chassis

• Twenty-four 2.5-inch drive bays (model x24) or twelve 3.5-inch drive bays (model x12)

• Up to 36 TB of physical storage per enclosure using 3 TB nearline SAS disk drives, or up to

24 TB physical storage per enclosure using 1 TB nearline SAS disk drives

• SAS disk drives, nearline SAS disk drives, and SSDs

• Redundant dual-active intelligent controllers

• 16 GB cache memory per control enclosure (8 GB per internal controller) as a base feature

• For each control enclosure: Eight 8 Gbps Fibre Channel ports (four 8 Gbps Fibre Channel

ports per controller), four 1 Gbps iSCSI and optionally four 10 Gbps iSCSI/Fibre Channel

over Ethernet (FCoE) host ports (two 1 Gbps iSCSI and optionally two 10 Gbps iSCSI/FCoE

ports per controller)

• File module provides attachment to 1 Gbps and 10 Gbps network-attached storage (NAS)

environments

• Control enclosure supports attachment of up to nine expansion enclosures with

configurations up to 360 TB physical storage capacities (up to 1.44 PB in clustered systems)

• Dual power supplies and cooling components

IBM System Storage SAN Volume Controller

Figure 2: IBM System Storage SAN Volume Controller


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The IBM System Storage SAN Volume Controller enables a single point of control for disparate, heterogeneous storage resources to help support improved business application availability and greater resource utilization. The objective is to identify all storage resources in the IT infrastructure and to make sure that they are used to the advantage of the business and do it quickly, efficiently, in real time, while avoiding administrative cost.

IBM System Storage SAN Volume Controller supports attachment to servers using iSCSI protocols over IP networks at 1 Gbps or 10 Gbps speeds, which can help reduce costs and simplify server configuration. IBM Storage System SVC also supports FCoE protocol, enabling use of converged data center infrastructures. This new capability simplifies data center and ease management by using the same network for storage, WAN, and LAN.

Highlights

• Manage heterogeneous storage from a single point of control

• Move data among virtualized storage systems without disruptions

• Store up to five times as much active data in the same physical disk space using

IBM Real-time Compression

• Simplify storage infrastructure with support for FCoE protocol

• Allow for nondisruptive scalability from the smallest configuration to the largest

• Implement stretched configurations for high availability and data mobility between data

centers

Riverbed Steelhead EX + Granite

Riverbed Granite solution enables users and applications in branch office locations to write to and access centrally managed storage while maintaining local disk performance. Riverbed Granite solution enables faster branch access to data center deployed SANs, and it effectively eliminates the IT organization’s need to provision and maintain dedicated storage resources in branch offices.

The Riverbed Granite solution is deployed in conjunction with Riverbed Steelhead appliances and consists of two components:

• Granite Core – A physical or virtual appliance that resides in the data center alongside centralized storage

• Granite Edge – A module that runs on a Steelhead EX appliance in the branch office

Granite Core mounts iSCSI logical unit numbers (LUNs) provisioned in the data center and shares the storage resources with branch offices running the Granite Edge module. Granite Edge virtually presents one or more iSCSI targets in the branch, which can be utilized by services and systems running both within the Riverbed Virtual Services Platform (VSP) and externally to the Steelhead EX appliance. Granite Core inspects mounted file systems and is able to proactively stream data to the branch. This capability allows data from centralized storage to be available wherever and whenever it


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is needed. Through asynchronous block-based write acceleration, Granite Edge ensures that data created in branch office locations is securely stored in the data center.

Figure 3: Granite Core and Granite Edge high-level network topology

Use case: Branch office file server with Steelhead EX + Granite

A typical use case for file server implementation in a branch office environment using Steelhead EX + Granite appliances is when a customer has to perform file sharing at many remote sites and wants to have local performance, 100% uptime even during WAN outages, and wants to constantly protect the data at a centralized location in case of disaster at any of the branch offices. The ability to centrally provision new file servers and new file shares, and centrally perform regular backups and centrally monitor the overall infrastructure is also an important aspect of this use case.

Figure 4: Riverbed Steelhead EX + Granite topology with remote file servers


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Key solution benefits

The key solution benefits are as follows.

• Enable consolidation: Data is consolidated in the data center where backup can be done centrally and where skilled IT storage personnel resides and can manage and configure the storage. This eliminates the need for data backup or replication software and hardware in the branch. In case of a disaster, data can be streamed quickly, resuming operation in the order of minutes. For durability and optimization, Storwize V7000 and SAN technology enables consolidation and virtualization of storage in the data center. High availability of the data is achieved through features such as IBM FlashCopy® backups, Metro Mirror, and Global Mirror disaster recovery features in the data center. Third-party storage already existing in the data center can be reused and further optimized through Storwize V7000 and SVC virtualization capabilities.

• Instant branch provisioning and recovery: Growing organizations that need to rapidly provision new locations to support dynamic business requirements can quickly establish service wherever and whenever needed. Servers are quickly and easily booted over-the-WAN in as little as one minute. In the event of a disaster at the branch office, services can be quickly re-provisioned to continue business operations.

• Resilient to WAN outages: Though the IT infrastructure has been completely centralized, remote office workers to have local access to data even when the WAN link to the office goes down.

• Centralize data protection: Services and data are protected and secured in the data center, using the same tools and methodologies applied to all corporate data, eliminating the need to purchase, install, and manage a backup solution in the branch office. This can reduce recovery time objectives (RTOs) and gain better recovery point objectives (RPOs).

• Safeguard data: With storage in the branch, data is exposed to risk. Steelhead EX + Granite products enable state-of-the-art authentication and encryption to ensure the security of data assets while in flight from the data center and in-use in the branch.

• Simplify management: By eliminating the need to maintain and manage stand-alone servers and storage in branch offices, Steelhead EX + Granite products significantly reduces administration overhead and costs. A single appliance in the branch is easier to support and by centralizing storage, data management activities can take place in the data center. Branch-based IT personnel and fly-and-fix missions are no longer required.

• Better storage efficiency: You can enable storing up to five times more active primary data in the same physical disk space using IBM Real-time Compression.

• Continuous application availability: You can enable near-continuous availability of applications through dynamic migration.


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• Advanced data management capability: The solution provides easy-to-use data management, designed with a graphical user interface (GUI) and point-and-click system management capabilities.

• Better data protection: The solution supports Metro Mirror and Global Mirror for replicating data synchronously or asynchronously between systems for backup efficiency.

Solution architecture

Figure 5: The lab solution architecture diagram

Figure 5 illustrates the lab setup of Steelhead EX + Granite solution enablement with IBM Storwize V7000 or IBM Storwize V7000 Unified storage systems and IBM System Storage SVC deployed in the data center. This solution is made up of two Granite core appliances and one Steelhead appliance installed with a Granite module at the data center and the Granite edge module running on the Steelhead EX appliance and a system with VMware vSphere hypervisor (ESXi 5.1) for hosting virtual machines are deployed at the branch office location and IBM Storwize V7000 Unified storage system is deployed in the data center.

In the lab solution test environment a WAN simulator was deployed to simulate the real-time WAN bandwidth, delay, jitter, packet loss, congestion, and other important network link impairments. The WAN simulator was operating as a T1 (1,5 Mbps) link with 100-millisecond round-trip delay and was connecting the branch office and data center setups.


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Material list for solution setup in the lab Table 1 lists the hardware and software used in the lab test solution setup.

Infrastructure components Vendor Quantity Details

Riverbed Granite appliances (GC2000-2U)

Riverbed 2 http://www.riverbed.com/us/products/edge_virtual_server_infrastructure/granite.php

Riverbed Steelhead EX 1160 appliances

Riverbed 1 http://www.riverbed.com/us/products/steelhead_appliance/steelhead_ex.php

Linktropy Mini2 WAN Emulator Apposite 1 http://www.apposite-tech.com/products/mini2.html

Server running VMware ESXi 5.1

IBM (IBM System x® 3650 M3)

1

Storage system

IBM

1

IBM Storwize V7000 Unified

ibm.com/systems/storage/disk/storwize_v7000/index.html

Network (Ethernet) Switch Cisco Catalyst 6509

1

Software

IBM N/A IBM Storwize V7000 Unified control enclosure version 6.4.0.2

Riverbed N/A Granite Core software version 2.0.0

Riverbed N/A Granite Edge software version 2.0.0

Apposite N/A WAN Emulator software version 3.0.11

Table 1: Hardware and software used in the lab


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Configure iSCSI host on IBM Storwize V7000 storage system

The first step is to configure the iSCSI host on Storwize V7000 storage systems or SAN Volume Controller located in the data center. This section describes how to create the iSCSI hosts using the IBM Storwize V7000 or IBM System Storage SAN Volume Controller management GUI.

Creating iSCSI hosts

To create a new iSCSI host, complete the following steps:

1. Open the host configuration window by clicking All Hosts, as shown in the Figure 6.

Figure 6: Open the host window


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2. To create a new iSCSI host, click New Host to start the wizard as shown Figure 7.

Figure 7: Launch New Host wizard

3. Click iSCSI Host as shown in Figure 8 to launch the iSCSI configuration wizard

Figure 8: Launch iSCSI host creation wizard


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4. Enter the host name, type the iSCSI initiator name in to the iSCSI Ports field, and click Add Port to List, as shown in the Figure 9

Figure 9: Create an iSCSI host

Note: For iSCSI ports configuration, provide the Granite Core iSCSI initiator name, as shown in the Figure 10.


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Figure 10: Granite Core iSCSI configuration

5. Click Create Host and the wizard completes, as shown in Figure 11. Click Close.

Figure 11: Completing the task of creating an iSCSI host


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In the lab solution test setup, the iSCSI hosts are now configured on the IBM Strowize V7000 system, as shown in the Figure 12.

Figure 12: iSCSI hosts in IBM Storwize V7000


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To provide connectivity, the iSCSI Ethernet ports also have to be configured. Complete the following steps to enable iSCSI connectivity.

1. Switch to the Configuration window and select Network, as shown in Figure 13.

Figure 13: Opening the network settings


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2. Select iSCSI and the iSCSI Configuration page opens, as shown in Figure 14.

Figure 14: iSCSI Configuration page

In the configuration, you have an overview of all the iSCSI settings for the IBM Storwize V7000 system or IBM System Storage SAN Volume Controller. You can configure iSCSI alias, iSNS addresses, and CHAP authentication configuration, and also iSCSI IP address, which you also edit in the basic setup.


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3. Click Ethernet Ports to enter the iSCSI IP address, as shown in Figure 15. Repeat this

step for each port you want to use for iSCSI traffic.

Figure 15: Ethernet ports

4. After you have entered the IP address for each port, click Apply Changes to enable the

configuration, as shown in Figure 16.


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Figure 16: Applying iSCSI IP changes

Provisioning storage from IBM Storwize V7000 and IBM System Storage SAN Volume Controller

This section follows the setup process and shows how to create volumes and make them accessible from the host. The following steps are required to complete the basic setup of your environment.

1. Create new volumes

2. Map volumes to the newly created iSCSI host

Note: This section assumes that the IBM Storwize V7000 storage system or IBM System SAN Volume Controller had correctly configured the internal storage disk drives using different Redundant Array of Independent Disks (RAID) levels and different optimizing strategies.

For more information on how to configure the IBM Storwize V7000 system storage pools, refer the chapter 7 of IBM Redbooks title Implementing the IBM Storwize V7000 at: ibm.com/redbooks/redbooks/pdfs/sg247938.pdf

Create new volumes

By default, all volumes that are created in IBM Strowize V7000 storage systems are stripped across all the available managed disks (MDisks) in one storage pool. The GUI for the IBM Storwize V7000 system provides mainly the following preset selections.

• Generic: A stripped volume that is fully provisioned.

• Thin-provision: A stripped volume that is space efficient. There are choices to help determine how much space is fully allocated initially and how large the volume is able to grow.

• Mirror: The stripped volume consists of two striped copies and is synchronized to protect against loss of data if the underlying storage pool of one copy is lost.

• Thin-mirror: Two synchronized copies. Both are thin provisioned.


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In the solution test lab setup, the test team created several generic and thin-provisioned volumes to validate the solution. The following steps are required to complete the basic provisioning of IBM Storwize V7000 storage systems. These steps will also show how to map newly created volume with the iSCSI host.


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1. Open the Volumes window of the IBM Storwize V7000 GUI, as shown in Figure 17.

Figure 17: Volumes window


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2. Click New Volume, as shown in the Figure 18.

Figure 18: New Volume option


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3. Click Generic and then select the pool in which the volume should be created by clicking the available storage pools, as shown in Figure 19. In this example, the Disk278GB15KRPM pool is selected.

Figure 19: Create a generic volume – step 1

4. Enter a volume name and a size, and click Create and Map to Host, as shown in the Figure 20.

Figure 20: Create a generic volume – step 2


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5. Click Continue, as shown in Figure 21, and proceed to mapping the newly created

volumes to the host using the wizard.

Figure 21: New generic volume created

6. Select the iSCSI host from the Host list, as shown in Figure 22. In this solution test lab setup, the test team selected the newly created iSCSI host, Granite-Core1.

Figure 22: Selecting a host


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7. In the Modify Host Mappings window, the iSCSI host and the newly created generic volume are already selected, as shown in Figure 23. Click Map Volumes and the volume is mapped to the iSCSI host.

Figure 23: Modify mappings

8. After the task completes, click Close, as shown in Figure 24, and the wizard will return to the Volumes window.

Figure 24: Modify mappings complete


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Advanced settings for thin-provisioned volumes

You need to perform the following advanced settings for thin-provisioned volumes.

1. Select the pool in which the thin-provisioned volume should be created by clicking it and entering volume name and size, as shown in Figure 25.

Figure 25: Entering the thin provision volume name and size


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2. In the Advanced Settings dialog box, default real capacity is set to 2% of the virtual

capacity.

Figure 26: Advanced settings

On the Capacity Management tab, as shown in Figure 26, there are several advanced options.

• Real: Specify the size of the real capacity space used during creation. • Automatically Expand: Enable automatic expansion of real capacity, if new capacity

has to be allocated. • Warning Threshold: Enter a threshold for receiving capacity alerts. • Thin Provisioned Grain Size: Specify the grain size for real capacity.

Make your choices, if required, and click OK to return to the New Volume dialog box .


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Configuring Granite appliances

This section describes the Granite appliance detailed configuration information.

Configuring Granite Edge

First, perform the following steps to configure the Granite Edge appliance (Steelhead EX).

1. From the Steelhead EX + Granite web user interface, go to Configure › Granite › Granite

Storage and configure with the following parameters, as shown in Figure 27. • Hostname: <the Granite Core IP address> • Granite Edge Identifier: <This is how you want to name the Granite Edge device>.

In this example, it has been named Granite-Edge. Remember that this identifier (which is case sensitive), because you will need to enter it again in the Granite Core configuration page.

• Port: 7970 (retain the default 7970 port) • Network Interface: <Select Primary or In_Path based on you network

configuration>. Refer to the Granite Best Practices Guide for more information.

Figure 27: Granite Storage configuration on the Granite Edge appliance


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2. Click Add Core to commit the operation.

Note: The connection status for the Granite Core appliance currently shows as Not Connected, and the Granite Edge health state will be degraded, as shown in Figure 28. This will change when you complete the dependencies on the Granite Core.

Figure 28: Granite Edge showing Granite Core in the Not Connected state

Configuring Granite Core In the Granite Core appliance, you need to perform the following four steps:

1. Add the Granite Edge appliance. 2. Add the IBM Storwize V7000 storage system to Granite Core. 3. Discover the IBM Storwize V7000 iSCSI target and its LUNs on the Granite Core

appliance. 4. Expose the discovered LUNs to the Granite Edge appliance.

The following steps have been performed to configure the Granite Core appliance in the lab solution test setup

1. Go to the Granite Core web user interface, and navigate to Configure › Storage › Granite

Edges and click Add a Granite Edge as shown in Figure 29.


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Enter the following parameters:

• Granite Edge Identifier: <Enter Granite-Edge>. Remember, this is the name that was set in the previous section (this value in this field is case sensitive).

• Blockstore Encryption: <select the required encryption level>.

Figure 29: Granite Core add edges configuration tab

2. Click Add Granite Edge to commit the operation.


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If the Granite Core appliance is able to discover the Granite Edge appliance, the newly added device showing Connected and the Granite Edge’s device IP address are displayed, as shown in Figure 30.

Figure 30: Granite Edge and Granite Core appliances connection


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Configuring iSCSI settings

You need to perform the following steps to configure the iSCSI settings.

1. Click Configure Storage iSCSI Configuration to display the iSCSI Configuration page, as shown in Figure 31.

Figure 31: Granite Core iSCSI Configuration

2. In the iSCSI Portal configuration section, add or modify IBM Storwize V7000 iSCSI portal configuration details, such as IP address, port, and so on by clicking Add an iSCSI Portal, as shown in Figure 32.

Figure 32: iSCSI Portal Configuration section

3. Click Add iSCSI Portal to add the IBM Storwize V7000 iSCSI portal configuration.


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4. Validate whether the newly configured IBM Storwize V7000 iSCSI portal has the

Connected status, as shown Figure 33.

Figure 33: IBM Storwize V7000 iSCSI connection

Configuring iSCSI LUNs

You need to perform the following steps to configure the iSCSI LUNs.

1. Click Configure Storage LUNs and then click Add an iSCSI LUN to display the

LUNs page, as shown in Figure 34.

Figure 34: Granite Core iSCSI LUN configuration


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2. Configure the iSCSI LUN using the control provided in Table 2, as shown in Figure 35.

Control Description

LUN Serial Number Select an option from the list of discovered LUNs. The LUNs listed are shown using the following format: Serial number (portal/target). Note: If the required LUN does not appear, scroll to the bottom of the list and select Rescan background storage for new LUNs.

LUN Alias Specify an alias for the LUN.

Add iSCSI LUN Add the new LUN to the running configuration.

Table 2: LUN configuration controls

Figure 35: The solution lab setup iSCSI LUN configuration


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3. After the iSCSI LUNs are configured, click the newly configured iSCSI LUNs and click the Edge Mapping tab and select Granite Edge as shown in Figure 36. Then, click Update Mapping to complete the operation.

Figure 36: Mapping iSCSI LUNs to Granite Edge

4. Click Configure Storage Granite Edge and select a specific LUN to grant access to selected iSCSI LUNs with Granite Edge. Select all in the Not Granted section and click Add to add to the Group Grant Access section, as shown in Figure 37 and Figure 38

Figure 37: iSCSI LUN configuration with Granite Edge


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Figure 38: iSCSI LUN configuration with Granite Edge (continued)


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5. Verify that the configured ISCSI LUNs are correctly shown in the Granite Edge, as shown

in Figure 39.

Figure 39: Granite Edge iSCSI LUNs display

6. In the Microsoft® Windows® virtual machine at the branch office, install the Microsoft iSCSI initiator. In the iSCSI Initiator Properties dialog box, click Discover Portal… and enter the Granite Edge IP address and then click OK, as shown in Figure 40.


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Figure 40: iSCSI Initiator Properties dialog box

7. Launch Computer Management MMC, and then click Storage Disk Management and the iSCSI disks are available to consume for the Windows host, as shown in Figure 41.


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Figure 41: Windows host Computer Management MMC


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8. Right-click the iSCSI disk and click Initialize Disk, as shown in Figure 42.

Figure 42: Initializing the iSCSI disk


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9. Right-click the unallocated raw disk space and click New Simple Volume, as shown in

Figure 43.

Figure 43: Creating a new simple volume


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10. In the New Simple Volume Wizard page, assign an appropriate drive letter for the iSCSI

disk, as shown in Figure 44.

Figure 44: Assigning a drive letter to the volume

11. Select NTFS as the file system, as shown in Figure 45.


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Figure 45: Specifying the file system format


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12. After the New Simple Volume Wizard completes, the iSCSI disks are ready for use, as

shown in the Figure 46.

Figure 46: Windows host Computer management MMC displaying the new volumes


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Summary IBM Storwize V7000 Unified is a powerful storage system that enables storage virtualization, consolidation, and automated tiering for businesses of all sizes. The system combines the right mix of hardware and software components to help IT organizations optimize storage efficiency, improve application availability, and ensure high utilization of valuable storage resources, all from a single point of control. In addition, it consolidates block and file data storage into a single system, reducing complexity and costs.

Riverbed Granite appliances enable the complete consolidation of edge servers and storage to the data center, while projecting applications and data to edge locations where they perform as if they were local. The Granite solution enables a global storage infrastructure by intelligently accelerating storage across the WAN, enabling new efficiency with data management, protection, and recovery while ensuring performance at the edge. With Granite, organizations can:

• Reduce costs by eliminating storage from branch offices.

• Improve management efficiency as maintenance and backup can take place at the data center.

• Recover faster and more effectively as the data is stored centrally, protected more frequently, and can be streamed to the branch office as needed.

• Improve security of data assets through centralization and state-of-the-art encryption capabilities.

Tight integration between IBM Storwize V7000 storage system and Riverbed Granite provides simple configuration and consolidated management while also increasing performance and improving efficiency at the data center and eliminates additional storage and systems at the branch office. This in turn, substantially reduces total cost of ownership (TCO) for enterprises.


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Appendix A: Glossary

• IBM Storwize V7000 Unified – IBM Storwize V7000 Unified is a virtualized storage system designed to consolidate block and file workloads into a single storage system for simplicity of management, reduced cost, highly scalable capacity, performance, and high availability. IBM Storwize V7000 Unified storage also offers improved efficiency and flexibility through built-in solid-state drive (SSD) optimization, thin provisioning, and nondisruptive migration of data from an existing storage. The system can virtualize and reuse existing disk systems, offering a greater potential of return on investment.

• Riverbed Steelhead EX + Granite – Riverbed Steelhead EX + Granite appliances extend the virtual edge of the data center with the industry’s first branch office box that enables complete edge server and storage consolidation.


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Appendix B: Resources The following websites provide useful references to supplement the information contained in this paper:

• IBM Systems on PartnerWorld® ibm.com/partnerworld/systems

• IBM Redbooks ibm.com/redbooks

• IBM Publications Center www.elink.ibmlink.ibm.com/public/applications/publications/cgibin/pbi.cgi?CTY=US

• IBM SONAS on IBM PartnerWorld ibm.com/partnerworld/systems/sonas

• IBM Storwize V7000 Unified Storage ibm.com/systems/storage/disk/storwize_v7000

IBM documentation

• IBM Storwize V7000 Unified 1.3.0 Information Center http://publib.boulder.ibm.com/infocenter/storwize/unified_ic/index.jsp

• Implementing the IBM Storwize V7000 V6.3 ibm.com/redbooks/redbooks/pdfs/sg247938.pdf

• Implementing the Storwize V7000 and the IBM System Storage SAN32B-E4 Encryption Switch ibm.com/redbooks/redbooks/pdfs/sg247977.pdf

Riverbed documentation

• Riverbed Granite Deployment Guide

https://support.riverbed.com/download.htm?filename=public/doc/granite/2.0/gc_deploy.pdf

• Granite Use Case Tech Brief http://www.riverbed.com/assets/media/documents/whitepapers/WhitePaper-Riverbed-Granite-Use-Cases-Technical-Brief.pdf

• Taneja: Riverbed Sets a New Standard for WAN Opt http://www.riverbed.com/assets/media/documents/whitepapers/Whitepaper-Taneja-Riverbed-Sets-a-New-Standard-for-WAN-Opt.pdf

• ESG Lab Report: Riverbed Steelhead EX + Granite http://www.riverbed.com/assets/media/documents/whitepapers/WhitePaper-ESG-Lab-Riverbed-Steelhead-EX-Granite.pdf


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About the author Udayasuryan Kodoly is a Storage Technology Architect in the IBM Systems and Technology Group (ISV Enablement) Organization. Uday has years of experience in designing, architecting storage solutions, and developing solution best practices on and for various NAS and SAN appliance data protection (backup) solutions. Uday is an expert on virtualization technologies and virtual machine data protection strategies. Presently, Uday is working on enabling various ISV backup, disaster recovery, and virtualization solutions for IBM Storwize V7000 Unified and IBM SONAS storage systems.

You can reach Uday at [email protected].

Darrin Cooke is the Technical Alliance and Business Development Manager dedicated to the alliance between IBM and Riverbed. Darrin is responsible for identifying and developing joint services and solutions globally with IBM. Darrin’s most recent efforts focus on storage, virtualization, cloud, disaster recovery, and data migration.

You can reach Darrin at [email protected].

Larry Garibay is a consultant in IBM Systems and Technology Group. He has more than 12 years of experience working with IBM System x, IBM Power Systems™, and storage systems. Larry graduated from Stanford University with a degree in Electrical Engineering and is a co-author of two patents on data compression.

You can reach Larry at [email protected].


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