Lenovo S3200 Manuel utilisateur

Lenovo Storage S3200 with

Fibre Channel

Quick Start Guide

Bryan Reese

David Vestal

Jeff Lin

July 2016

Lenovo Storage S3200 with Fibre Channel

Introduction

Reference designs have become an essential part of many customer data centers

allowing for rapid deployment of a system that has been tested and assured to work by a

vendor. They ensure that all of the components work together and can give someone

who is unfamiliar with some aspects of the deployment a starting place to go for

answers. Further, they enable an understanding of where a set of hardware fits into a

data center and allows for a simpler decision process. Why would you evaluate a

solution that does not fit your needs?

This document specifically discusses an infrastructure design using Lenovo Fibre

Channel networking from Brocade, Lenovo servers, Lenovo storage, and Emulex Fibre

Channel Host Bus Adapters (HBAs) by Broadcom. Users who may be using NAS or

iSCSI today and are considering an entry Fibre Channel solution will find the information

contained within this document useful to create a basic configuration.

Once you have completed reading this document, you will understand how to zone a

Fibre Channel switch and how to make LUNs available to your chosen OS for file

storage or OS deployment. It covers all basic steps up until the installation of the

operating system. The document also includes a sizing guide to help understand what

equipment will work best in a given environment.

This design document includes technology and input from three of the leading vendors in

IT today: Lenovo, Emulex (a division of Broadcom Limited), and Brocade. These three

partners have a complimentary portfolio that allows for innovation in an individual and

specialized area while collaborating and providing best of IT solutions. All three vendors

have priorities set for achieving performance that is best in the industry and reducing

deployment times by minimizing administrative complexity.

About the Author

Bryan Reese

Bryan is a solutions architect that works for Brocade on projects that range from SAN to

IP and software to hardware. He has lead projects that involve Docker, Oracle Real

Applications Cluster, and HPC with a focus on how the whole system would operate. In

his career, he has helped customers with large and small deployments find an optimal

solution during both before and after the sales have occurred. His career highlights

include traveling to Germany when he was an IBM employee to work with large super

computers deployed in Garching outside of Munich (LRZ, RZG) and as a Brocade

employee working on engineering problems including creating proof of concepts for

security vulnerabilities such as Shellshock.

David Vestal

Lenovo Storage S3200 with Fibre Channel

David is the product marketing manager for Lenovo’s Data Center Group, Enterprise

storage platform. He has over 20 years of professional marketing, sales, and business

development experience across a broad range of telecommunication, banking, and

enterprise IT sectors. Previously he was the product & product marketing manager for

Lenovo's System x Ethernet and Fibre Channel options portfolio.

Jeff Lin

Jeff is a marketing manager for Broadcom Limited at Lenovo, with responsibility for

Emulex Fibre Channel adapters for System x, Flex System, and ThinkServer. He has

over 18 years’ experience in various marketing roles at IBM and Lenovo.

Use Cases

Primarily, the reader of this document will be an administrator or user who desires an

assurance that a design is valid and that all parts have been tested together. This is a

high-level design that may fulfill a purpose perfectly by changing the processor, memory,

or the amount of storage. Details on creating a configuration are in the sizing section of

this document.

The use cases that we have targeted with this design include:

Media streaming

Web hosting

OLTP databases

Hosting communications (IM, email, shared storage)

Private cloud and general usage

Solution Overview

This design is flexible to accommodate differences in environments and computing

requirements. We made optimal selections from the broader product portfolios to ensure

that the target design considers cost, performance, and capacity. The principals

discussed within this document can allow for a small deployment as the primary use

case but can work for a medium sized deployment or even a large deployment when

using pod design philosophies.

Lenovo Storage S3200

Lenovo Storage S3200 with Fibre Channel

The Lenovo Storage S3200 can contain as many as 192 drives ranging from NL SAS to

SSDs depending on performance and storage capacity needs. The S3200 also offers

Intelligent Real-Time Tiering that can optimize storage performance, reduce cost, and

simplify management. Features also include SSD read cache, virtualized storage pools,

snapshots, and thin provisioning. With 6.4 GBps maximum sequential read throughput

and 5.3 GBps maximum sequential write throughput at a 512KB block size, the Lenovo

Storage S3200 can handle most workloads with a single dual-controller enclosure at an

affordable price.

Thin Provisioning

In supported operating systems (recent versions of Linux, VMWare, and Windows), thin

provisioning can create a very large volume that only uses the space on disk that is

required while leaving the other disk space for other volumes. This allows you to have a

setup that can expand and grow over time as needed and allows for several scenarios

that can save time and money.

Allows for provisioning a larger volume than should be needed to accommodate

any future growth that is unexpected

Fewer drives may be purchased initially with the plan for buying more as needed

oDrive prices reduce over time and the size of drives continues to

increase, meaning in 2 years you can purchase a larger drive for less

money

No more estimating what an application will need for storage

oA larger value can be used and if an application doesn't use it, no space

is wasted

We tested thin provisioning on the storage array for this validation.

Lenovo Storage S3200 with Fibre Channel

Single Copy on Write (SCW) Snapshots

The Lenovo Storage S3200 uses a snapshot technology called single copy on write

(SCW) with Original/Write Data Preservation capabilities. This technology reduces the

size of snapshots by preserving the data captured in a snapshot in place and then

writing to a new snapshot volume for all writes going forward. This significantly improves

speed of writes compared to methods such as copy on first write (COFW).

These snapshots allow rollbacks in the case of administrator error or a malicious user

overwriting information. Ransomware can be removed completely without a headache or

dealing with a criminal. It can also be very useful in a development environment to

create a point in time to roll back to after performing some actions to test a new

configuration and then to roll back in minutes to an old configuration.

We validated snapshots on the Lenovo Storage S3200 as part of this project.

Virtualized Storage Pools

Virtualized storage pools allow for flexible creation of storage volumes by writing

sections of data to different media types. When combined with Intelligent Real-time

Tiering, this allows data to be written to faster media when it is being accessed often and

to be stored on slower media when it is being accessed less frequently. In addition to

enabling performance gains, the virtualized storage pools simplify the management of

storage volumes. More storage can be added to the volumes via these storage pools

without requiring a full rebuild of a volume which saves time, money, and ensures data

integrity.

We used storage pools during this validation.

Lenovo Storage S3200 with Fibre Channel

SSD Read Cache and Tiering

Tiering occurs on the Lenovo Storage S3200 by separating drives into three types:

Archive –7200 RPM drives

Standard –10K or more RPM drives

Performances –SSDs (requires optional license)

Automatic tiering occurs among the different pools of drive types based on the frequency

of data access. Data blocks associated with frequently accessed files will migrate to the

highest performance tier available, while rarely accessed data blocks will be migrated to

a higher capacity tier. This process allows for users or applications to change their

access patterns and have the storage optimize itself every 5 seconds without any

administrator prevention.

The SSD read cache is another option for improving performance by expanding the

effective size of the controller cache without any additional licensing costs. Both

performance tiering and the SSD read cache were tested as part of this validation. The

tiering occurred at a granular level in 4MB chunks that allowed frequently accessed data

to be determined in a programmatic way without any user intervention. It is easy to

monitor where data is stored on the S3200 via either the command line or the GUI.

Lenovo Storage S3200 with Fibre Channel

Lenovo B300

The Lenovo B300 Fibre Channel Switch has up to 24 ports (8 ports licensed by default;

the remaining ports can be licensed in 8-port increments). The switch offers a rich set of

standard software features with the options to expand its capabilities as needed.

The B300 features the EZSwitchSetup wizard and can be configured in Access Gateway

Mode to simplify deployment. The switch provides full non-blocking performance with

Ports On Demand scalability to support SAN expansion and enable long-term

investment protection.

Lenovo B6505/B6510

The Lenovo B6505 Fibre Channel Switch can be configured as 12 or 24 ports while the

Lenovo B6510 Fibre Channel Switch can be configured as 24, 36, or 48 ports. Every

port in these configurations is non-blocking with a port-to-port latency of 700 ns while

running at 16 Gbps. This gives these specialized storage ports industry-leading, real

world benchmark numbers at scale. Beyond bandwidth and latency, these switches offer

manageability and ease of use through their multiple methods of setup including a CLI

and GUI with policy based alerting as an option to ensure that there are no outages for

critical data paths.

With support for Brocade's Fabric Vision™technology both the B6505 and B6510 have

deep visibility into what is occurring on the storage fabric. An administrator can validate

physical components to ensure that no component is borderline or failing. This prevents

a cable from having a bend radius issue and degrading the performance of a whole

fabric over an important link. Additionally, beyond an initial validation, the administrator

can be alerted once policies have exceeded their limits and know about a problem

before users and their applications see the failures.

Lenovo Storage S3200 with Fibre Channel

With industry leading performance, simplified setup, and easy debugging and

troubleshooting, what more could be asked from a storage network?

Lenovo System x3550 M5

Leading the industry in reliability, Lenovo's most recent server offerings achieve

99.999% availability that equates to an average of 6.05 seconds of server downtime per

week. This reliability drastically reduces costs for both Lenovo and its customers,

allowing Lenovo to deliver cost efficient solutions at a lower price point.

The Lenovo System x3550 M5 is a 1U two-socket rack server that utilizes Intel Xeon E5-

2600 v4 processors, up to 1.5 TB of TruDDR4 Memory, and up to 12 drive bays to

deliver energy and space efficiency that matches or beats the best in the industry. The

server is designed for energy efficiency, including power supplies that deliver 80 PLUS

Titanium performance ratings. 80 PLUS Titanium is the highest achievable 80 PLUS

rating, which enables infrastructure, including breakers and UPS units, to be correctly

sized. They also save money over time by using less power.

The server also includes built-in reliability, such as Predictive Failure Analysis

and light path diagnostics to proactively monitor the server components and

identify failing parts. Lenovo servers ranked #1 in reliability for the third year in a

row, according to an independent ITIC 2015-2016 survey.

The Lenovo System x3550 M5 rack serverdelivers enterprise-class performance,

reliability, and efficiency at a competitive price.. .

Emulex 16Gb (Gen 6) Fibre Channel Host Bus Adapters (HBA) for System x

Lenovo Storage S3200 with Fibre Channel

Emulex 16Gbps (Gen 6) Fibre Channel HBAs deliver exceptional performance and

reliability for your Lenovo storage workloads. They seamlessly support Brocade

ClearLink™diagnostics through Emulex OneCommand® Manager, ensuring the

reliability and management of storage network configurations when connected to

Brocade Gen 5 or Gen 6 Fibre Channel (FC) SAN fabrics. In addition, the adapters

ensure the highest I/O performance for mission-critical applications with Emulex

ExpressLane™ quality of service (QoS) that allow you to prioritize latency-sensitive or

flash storage traffic.

Lenovo Storage S3200 with Fibre Channel

The Emulex 16Gb (Gen 6) FC HBA features up to 1.6M OPS per port, the highest

available on a 16Gbps FC adapter. This is achieved through Emulex’s Dynamic Multi-

Core Architecture which dynamically scales HBA resources to any port that needs it,

essential when ports are used in active-standby mode. The Gen 6 HBAs can process up

to 71% faster SQL Server transaction and up to 50% faster data warehousing

transactions over 8GFC HBAs. They are ready for NVMe over Fibre Channel, which

accelerates network access to SSDs, supporting the upcoming NVMe over Fibre

Channel T-11 standard.

All Emulex adapters allow you to deploy faster and mange less with a unified

management tool (OneCommand® Manager) and common driver set.

Sizing Information

Server Sizing

Sizing a virtualized solution has numerous complexities for optimization that can be

taken into consideration for a completely optimal deployment. Numerous technologies

are on the market that can make this job significantly easier. VMWare® Distributed

Resources Scheduler (DRS) is the software product that enables VMWare to assist in

moving virtual machines to optimal locations in a cluster. With DRS, you can select to

allow migration to happen automatically or to merely monitor and suggest changes that

the administrator can allow or disallow. This feature is available in VMWare® Enterprise

and Enterprise Plus and simplifies both the initial sizing and understanding what

compute resources may be required going forward.

When a cluster is running DRS, server sizing requires a few simple yet complicated

questions:

What is the CPU capacity required for my applications?

How much RAM is needed for my applications?

Is there a requirement for a large amount of network or storage I/O?

If the current environment is not setup for virtualization yet, there are tools on both

Windows and Linux that can help with the sizing. Standard Linux tools such as sar, ps,

mpstat, top, and free can give a very strong idea on what may be required of a system's

virtualized equivalent when compared to the hardware that is inside a server. Windows®

has similar commands that can help with this transition such as PerfMon that will give

detailed information about how all systems are functioning. If already running VMWare®

vSphere on the cluster, esxtop is a good choice in gathering this information to help in

sizing.

Once this information has been gathered, it should be compiled together. Approximately

20% headroom for future growth or burst usage should be left as available. For RAM

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