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IBM System Storage – Entry and Mid Range Part 2. This document is for IBM and IBM Business Partner use only. It is not intended for customer distribution or use with customers. Competition. Understand the purchase criteria for the Midrange Disk Marketplace Engage and win against competition:

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Ibm system storage entry and mid range part 2 l.jpg

IBM System Storage – Entry and Mid RangePart 2

This document is for IBM and IBM Business Partner use only. It is not intended for customer distribution or use with customers.


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Competition

IBM System Storage DS Family Storage Servers


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Understand the purchase criteria for the Midrange Disk Marketplace

Engage and win against competition:

Position DS4000 / DS5000 vs. HP EVA

Position DS4000 / DS5000 vs. EMC CX4 series

Engage and win against competition:

Position DS3000 vs. Dell / EMC AX4

Position DS3000 vs. HP MSA2000

Utilize IBM’s competitive strengths against competition’s weaknesses

Agenda


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Mid-Range Competition


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Magic Quadrant for Midrange Disk Arrays, 2H08

  • What Magic Quadrant measures

    • Relative strengths of vendors in the marketplace.

  • What it doesn’t tell

    • Product's attractiveness

    • Vendor's support capabilities

  • Use it for

    • Ease concerns about a company's long-term financial viability

  • Don’t use it as the only source for

    • Selecting a vendor

    • Selecting a product

Source: Gartner Research, Oct. 2008


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Storage Marketplace: Purchase Criteria

80% of the purchase decisions are driven by factors beyond product functionality and price


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HPQ EVA


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Recent HP Announcements – Game Changer?

  • EVA6400/8400

    • More disk (FC, FATA, SSD)

    • More host ports

    • More cache

    • Additional virtualization capability

  • Same configuration limitations

    • Requires 8 drive enclosures to deliver true redundancy

  • Still easy to manage when everything is working perfectly, but…

    • Very difficult to tune

    • Requires great care & hours of time to just remove a failed disk

  • Performance information is sketchy

    • No industry standard benchmark submissions


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Evolution Of The Highest-End EVA Systems


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HP positioning ofthe EVA Family

Do More with less

  • Simplest to Operate with virtualization

  • Affordable expansion

HP Enterprise Virtual Array Family

  • EVA4400

    • Solution for the mid-range customer

      • Easy capacity expansion

      • Instantaneous replication

      • Simplified storage administration

    • Scales up to 96 disks in 8 enclosures

  • EVA6400

    • New controllers

    • Includes back-end switch

    • Scales up to 216 disks in 18 enclosures

  • EVA8400

    • Solution for the enterprise customer

    • More powerful controllers

      • High performance, high capacity solution

    • Scales up to 324 disks in 27 enclosures

  • Compete with:DS3400

    • SAS

    • Cost

  • DS4700

    • Performance

  • DS4800

    • Performance

    • Growth

  • DS6800

    • For mainframe

  • SVC

    • Virtualization


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Product Specification Comparisons

* Due to slower internal bus speed


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HP Midrange EVA - Strengths

Easy to manage (when everything is working correctly)

Supports 4Gb/s host ports

iSCSI option (through Gateway)

NAS option (through Gateway)

Support wide assortment of Operating Systems

One drive enclosure used for three drive types

Solid State Drives – 72 GB (min of 6, max of 8)


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HP Midrange EVA - Weaknesses

  • Limited flexibility and tuning due to current virtualization scheme

  • Management software required (separately priced)

  • Hardware packaging

    • Expansion units hold maximum of 12 drives

    • No SATA support for EVA

  • Lacks real world performance

    • Will not submit SPC-1 benchmarks (IOPS) for EVA8x00 series

    • IBM DS5000 delivers nearly 4x the SPC-2 (MB/s) of the EVA8x00

  • Very difficult to achieve HA configurations without big money

    • Redundancy at drive enclosure level is difficult to achieve


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HP MSA2000


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Competing Against HPQ’s MSA2000

Weaknesses

  • Different Drive carriers than HP’s SAS servers

  • Does not yet support 1TB SATA drives

  • Does not share storage management platform with EVA

  • No UNIX support but HP-UX

  • No SPC- or SPC-2 benchmarks

  • SW warranty 90 days only

  • Basic System & Strengths

  • MSA2000fc (fibre channel) & MSA2000i (iSCSI)

  • SAS/SATA (intermixing within drive enclosure)

  • Up to 48 drives (option for up to 99 drives for fc based controller)

  • 1GB Cache per controller

  • RAID 0, 1, 3, 5, 6, 10, 50

  • Greater than 2TB LUNs

  • Optional

    • Snapshots (8 standard, upsell to 64 per system)

    • Clones

  • Should exceed performance of previous MSA systems

  • MSA2000i starting ~ $4,999; MSA2000fc ~ $5,999 (probably 1 controller w/o drives)

  • Install base of MSA systems = 120,000 per 451 group 3-4-08


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DS3000 vs HP low end offerings


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Areas to focus on with HP

  • Software pricing

    • Understand the terms and pricing for on-going support

  • Why no industry standard benchmarks?

    • Only paper on the web is an internal test of SAS/SATA drives

  • Why no Solaris or AIX support?

  • Why is warranty different for SAS versus SATA drives?


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What To Anticipate From HP

  • Heterogeneous storage virtualization

    • HP has announced the introduction of Heterogenous Virtualization for 2009

    • Will enable them to virtualize multiple EVAs in one system

    • Will enable them to virtualize competing systems

      • Combat this ability with proven success of SVC

  • Constant pressure regarding the EVA’s ease-of-use

    • Combat this by discussing their numerous restrictions

    • Combat this by pointing out their difficulties when things aren’t running perfectly on the EVA

  • Statements that the EVA has tremendous disk utilization via their internal virtualization process

    • Combat this with EMC’s capacity documentation along with pointing out the inefficiencies of HP’s internal virtualization process


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Top 3 Takeaways For HP

IBM, not HP, has management that is easy to use but more importantly is also full-featured. IBM systems allow easy capacity upgrades and easy maintenance

IBM DS5000 storage, unlike HP EVA storage, provides maximum amounts of useable capacity. HP EVA’s much like NetApp FAS systems have poor useable capacity.

IBM, not HP, provides balanced levels of storage scaling & performance making them the best storage systems for corporate data-consolidation programs

20


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EMC CLARiiON CX4 Systems


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Introducing the CLARiiON CX4 Series

SCALABILITY

SERVICE LEVELS

August 4, 2008

  • CX4-960

    • Up to 960 drives

    • 32 GB cache

    • Standard 8 Fibre Channel/4 iSCSI

    • Maximum 32 front-end Fibre Channel and/or iSCSI

    • Flash drives

  • CX4-480

    • Up to 480 drives

    • 16 GB cache

    • Standard 8 Fibre Channel/4 iSCSI

    • Maximum 24 front-end Fibre Channel and/or iSCSI

    • Flash drives

  • CX4-240

    • Up to 240 drives

    • 8 GB cache

    • Standard 4 Fibre Channel/4 iSCSI

    • Maximum 20 front-end Fibre Channel and/or iSCSI

  • CX4-120

    • Up to 120 drives

    • 6 GB cache

    • Standard 4 Fibre Channel/4 iSCSI

    • Maximum 16 front-end Fibre Channel and/or iSCSI


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EMC Attempting To Establish Feature Leadership

EMC CX4 Features

Virtual Provisioning

Virtual LUN technology

Quality of Service Mgr

Analyzer

Drive Spin Down

RecoverPoint/SE

Replication Manager

SAN Copy

SnapView

MirrorView

PowerPath

SSD

Power Calculator

Description

Thin Provisioning

Non-disruptive LUN mover

Performance guarantee

Performance tuning

Pseudo MAID capability

Near CDP (local & remote)

Fast recovery for Exchange & SQL

Migration

Snapshots & Clones

Remote Mirroring

Failover & load balancing

Only CX4-480 & CX4-960

Future Planning


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Top Five Features EMC Promotes

  • *http://chucksblog.typepad.com/chucks_blog/2006/12/thin_provisioni.html


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EMC Makes Numerous Claims For New CX4 Systems

  • New architecture

    • EMC has moved from a 32-bit to a 64-bit FLARE OS

    • Employing multi-core Intel-based processors

  • Better performance

    • EMC says CX4 provides up to 2.5 times more processing power.

    • CX4 delivers twice the scalability with support for up to 960 drives

    • Delivers twice the memory and twice the LUNs


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Strength Through Results, Not Hype!

< 3%


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CLARiiON architectural limitations

What happens in case of a failure in one of the first five disks?

  • All write-caching disabled

  • The system goes into slow motion

  • Hot spare build up, worsens performance

  • The failed drive must be replaced

  • The failed drive must be fully rebuilt


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EMC Adopts IBM’s ‘Flat’ Pricing Model

EMC CLARiiON CX4 Software Ordering Information and Configuration Guidelines

July 17, 2008

  • CLARiiON CX4 software pricing has been greatly simplified to make the new CLARiiON series more sales-friendly. All the software titles are priced using a consistent, single-price-per-array model.

  • Due to the elimination of the Navisphere enterprise tier, Navisphere Analyzer is now sold stand-alone with a single price per array.

  • Note: RecoverPoint/SE CRR, CLR, and CDP products are limited to a specific amount of replicated capacity, either within the same array or between two CLARiiON arrays—one at each site.

    • EMC/Dell – 8TB License

    • EMC – 4TB, 8TB or 16TB License


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EMC’s CX4 Value Propositions

Take cost out of the business without sacrificing performance and scalability by consolidating twice the workload in a single system—optimizing storage capacity—and by protecting investments – DS5000 performance is superior in limited benchmarks

The CLARiiON CX4 series’ power-saving technologies help manage energy consumption and consolidate data storage. – DS5000 benchmarks reflect greater storage efficiency SPC-1 and SPC-2, therefore less energy. Intermix capability in enclosures yields redundancy with half the enclosures

CLARiiON CX4 systems provide industry-leading availability and protection by combining CLARiiON’s proven Five 9s availability with built-in support for concurrent local and remote (CLR) replication – DS5000 does suffer from Clarion issues of Write Cache Disablement and back end loss due to device failures (Known Clarion problems)

CLARiiON’s unique hardware and software capabilities and integration with VMware extends the value of virtualized server environments – VMWare is vendor neutral and IBM has strongly promoted VMWare. DS3000 AND DS5000 support VMWare


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DS4000/DS5000 Vs CX4 Performance Specs

VendorNumbers

CLARiiON performance numbers are best estimates based on statements in EMC’s latest CX4 PowerPoint presentations


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Dell/EMC AX4


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AX4 Strengths

  • FC and iSCSI versions available

  • Single or dual controllers

  • Supports Windows, Linux, and VMWare

  • Can be controlled by Navisphere rather than just Navisphere Express

  • Support for up to 64 hosts and 60 drives (SAS or SATA)

Dell / EMC AX4

AX4 Weaknesses

  • Dell has slashed prices recently, but still over $9000 for base unit

  • Does not support:

    • SAS drives without additional licensing

    • Expansion Units without additional licensing

    • more than 10 hosts without additional licensing

    • More than 16 total Snapshots, no more than 1 per LUN

    • array-based clones


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DS3000 Competitive Attack Points against Dell/EMC


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Areas to focus on with EMC

  • Software pricing

    • Understand the terms and pricing for on-going support

  • Remote mirroring

    • What is the cost in terms of host performance?

    • What happens to multi-pathing support?

  • How many drives are needed?

    • Do you really need 60 drives?

    • Will the processors deliver scalable performance?

  • Why no industry standard benchmarks?

    • Only paper on the web is an internal test of SAS/SATA drives

  • Is VMware part of your future?


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DS3000 vs Dell low end Storage


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DS3000 vs EMC offerings


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Competing Against EMC

  • Assure Factual / Actual Comparisons

    • Again: Review SPC Benchmarks with your customer

      • Focus your customer on EMC’s lack of public benchmark participation

    • Provide reference accounts from the Customer Reference DB.

    • Encourage your customer to thoroughly check all references from all vendors

  • Back to Basics: meet customer’s business needs with a total solution

    • Bundle with Server and Tape when the customer’s requirements dictate

      • “When IBM bundles storage with servers, you lose” .. From EMC salesbook

    • Clothe hardware with software and services

    • Combine with SVC wherever possible

    • Team with Solution Providers (ISPs)

    • Finance with IGF

    • Sell TCO advantages

      • Do a 3-5yr TCO analysis comparison: uncover the hidden EMC re-occurring costs

  • Show IBM’s products as committed to SMIS open standards, and together with SVC will provide the customer with both device and vendor independence


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Top 3 Takeaways For EMC

IBM, not EMC, is the only vendor who has publicly proven the ability of their storage systems to handle high-performance VMware mixed workloads

IBM, not EMC, provides balanced levels of storage scaling & performance making them the best storage systems for corporate data-consolidation programs

IBM, unlike EMC, supports all facets of a solution:

Low-cost heterogeneous storage virtualization

High-performance storage

Global service & support

Tape systems

Software

Servers


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Final Thoughts:

Selling Against Mid-Range/Entry Competition


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Selling against Competition

  • DS3K/4K/5K technical leadership

    • SPC-1 and SPC-2 benchmarks to demonstrate the IBM performance advantage

    • SAN-wide virtualization

    • Dedicated storage ASIC

    • Dedicated data cache

  • DS3K/4K/5K flexibilities

    • DACstore data-in-place update

    • Ease of Configuration

  • Dynamic features

Business dynamics

  • DS3K/4K/5K TCO advantages

    • 1 year / 3 year warranty on HW and SW Storage Manager included

      • Competitors charge for on-going SW support!!!

    • Multi-path capabilities included

    • Maximizes useable capacity

    • Customer installation and Set-up

Business savings

Investment protection


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Mid-Range

  • The Mid-Range Disk Marketplace is driven by:

    • Price Sensitivity: All things being equal, they want to buy disk “on the cheap”

    • Performance: They are as demanding as enterprise class customers that their applications get the best performance possible. The mid-range marketplace is where the major portion of the industry’s data explosion is happening.

    • Reliability: Same as Performance. Their critical applications can not take a hit

    • Interoperability with existing I/T environment:. The Mid-Range customer desires not to turn over his inventory with any degree of frequency as he adds capacity to match the explosive demand for data.

    • Latest Features: Just about all the product features that mainframe customers have become accustomed to, is now needed by their mid-range counterparts

    • Support and Service: They have become dependent on the vendors today. We must not let them down.

These are the major purchase criteria for products in the Mid-Range


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Mid-Range

IBM DS4000 / DS5000 meets the Mid-Market Purchase Criteria

  • Vendor / Wrapper Attributes (80% of criteria):

    • IBM Service Alert “call-home”

    • Implementation services

    • Training and Education (on-site and off-site)

    • IBM offers “one stop shopping” for complete solutions (servers + storage + software + services + financing)

    • System Storage Proven™ certification program

    • IBM is the leader in storage virtualization

    • Integration with IBM servers and software

      • Integrated Backup for Devices (IBD)

    • Access to IBM and LSI Logic experts

  • DS4000/DS5000 Attributes (20% of Criteria):

    • Lower TCO

      • DACStore

      • DS5000 Storage Manager

      • Dynamic features

    • Validated with Brocade (McData), and Cisco SANs

    • Fastest performance, 4Gb FCP on select models


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Mid-Range

Use The IBM Competitive Strengths Against Competition’s Weakness

  • You can position HP EVA vs DS5000 as follows:

    • HP has not published any public benchmarks. What are they hiding?

      • IBM performance is measured, not just an estimate

    • 8400 requires HP to install, setup. IBM DS5000 is customer setup. Which indicates simplicity?

    • Software pricing – what is free, what is billable, are there on-going costs?


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Mid-Range

Use The IBM Competitive Strengths Against Competition’s Weakness

  • You can position EMC CX4-Series vs DS5000 as follows:

    • EMC refuses to participate in any public benchmarks. What are they hiding?

    • CX4 models are slower than similar DS5000 systems, especially for larger configurations

    • CX4 software is priced just like the DS5000 (flat priced software)


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Entry

Use The IBM Competitive Strengths Against Competition’s Weakness

  • You can position DS3000 vs. HP MSA as follows:

    • Consistent warranty terms – not focused at the part level

    • Performance benchmarks – IBM participates

    • Consistent packaging – No confusion over LFF or SF drives

    • Supports Windows, Linux, Unix and VMware – HP support is less


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Entry

Use The IBM Competitive Strengths Against Competition’s Weakness

  • You can position DS3000 vs. Dell / EMC AX4 as follows:

    • Performance benchmarks – why no participation with SPC?

    • SAS, iSCSI and FC host attachments – EMC does not have SAS support

    • Software pricing – compare to EMC

    • Warranty terms

    • Total cost over three years

    • List price comparison


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Entry

Use The IBM Competitive Strengths Against Competition’s Weakness

  • DS3000 advantages that you can sell include:

    • Performance and throughput, proven in SPC-1 and SPC-2 benchmarks

    • SAS disks- Performance characteristic like FC disks

    • 4Gb/s FC or 4*3 Gb/s SAS

    • Top/down – Bottom/up cabling

    • DACStore

    • Dynamic features – Dynamic Array Expansion (DAE), Dynamic Volume Expansion (DVE), Dynamic RAID Level (DRM) and Dynamic Segment Size Migration (DSS)

    • Ease of management integrated in Storage Manager

      • compatible with and can be launched from the DS4000 Storage Manager

    • Advanced functions - Storage system based snapshot and volume copy

    • Aggressive entry price point


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Review questions

  • The DS5000 family of products replaced which storage systems

    • IBM FastT systems

    • N series

    • IBM Shark family of systems

    • DS4200,DS4700, and DS4800

  • The DS3000 series can support the following drives?

    • SATA and SAS.

    • FC and FATA

    • SATA, FATA, and FC

    • All the above

  • What is the key differentiating factors of the DS5000 from the DS4000 models?

    • An 8 gb/s transfer rate

    • Expansion units that can hold a total of 224 drives

    • A 4 gb/s transfer rate and FC drives only

    • Dual p5 570 processors

  • What is the feature called that allows disk drives to store drive and volume information (metadata)?

    • Enhanced remote mirroring

    • Auto detect

    • DAC store region

    • Disk Vital product data


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Review questions

  • Name 2 key technology features of the DS5000 products?

    • WORM and encryption

    • 24 “ rack support and tape support

    • EXP hot add and logical partitioning

    • EXP hot add and Dynamic Array Expansion

  • What major application areas are viable for the SATA drives ?

    • Disk save/restore, archiving, and medical imaging

    • ERP and SCM

    • OLTP, ERP, and business intelligence

    • Insurance, financial and manufacturing

  • Name 2 key competitive products to the DS5000?

    • HDS Apache and HP USP

    • EMC CX-40 and HP EVA 4400

    • HP Integrity and EMC DMX-3

    • HDS Tagamastore and HP AMS

  • Name 2 new features of the DS5000

    • SSD and Power Systems i native attachment

    • 8 gb/s transfer rate and SATA drives

    • NAS and FC support

    • EXP5000 and dual controllers


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Additional information


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Need help ?

  • The CompeteCenter provide:

    • Hotline support on IBM main competitors

    • Competitive

      • Information

      • On-site call call support

      • Education

      • Sales & marketing support

        How to reach us ?

    • Mail : [email protected]

      Self service databases

    • COMP for Business Partners: http://www.ibm.com/partnerworld

    • COMP for IBMers: http://w3.ibm.com/sales/competition


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Web Resources


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Need help from LSI ?


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IBM Internal Personnel Resources


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HP Claims for EVA Storage Systems

Ease of management

Intuitive user interface

High performance, high capacity and high availability

Solution saves time, space and management costs


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EVAs Aren’t Easy To Manage If Anything Goes Awry

Automatic isn’t always automatic

If the storage system contains disk drives of different capacities, the SSSU procedures used do not guarantee that disk drives of the same capacity will be exclusively added to the same disk group. If you need to restore an array configuration that contains disks of different sizes and types, you must manually recreate these disk groups. The controller software and the utility’s CAPTURE CONFIGURATION command are not designed to automatically restore this type of configuration.

Evidence that EVAs aren’t super easy systems

  • From QuickSpecs – HP StorageWorks Enterprise Virtual Array Family - Published June 19, 2007


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DS Storage Manager Simulator for DS4000/DS5000

DS Storage Manageris fully-featured yet amazingly easy to use


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HP claims EVA8100is 24% faster thanthe previous EVA8000…

Information in chart from URL -http://h30099.www3.hp.com/configurator/catalog-storagemerged.asp

… but offers no public benchmarks for EITHER!

So, how fast is it?


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IBM HasProven Efficiency And Room To Grow


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EMC Reports the EVA8100 has Limited Capacity*

  • EMC performed capacity examinations to demonstrate the tremendous disparity between useable capacity in various storage systems

  • EMC examined themselves, HP EVA and NetApp FAS systems

    • IBM DS4000/DS5000 were not examined

    • Observing EMC’s approach it is clear IBM systems would meet or beat the useable capacity of EMC CLARiiON systems

*http://chucksblog.typepad.com/chucks_blog/2008/08/your-storage-mi.html (August 28, 2008)


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EMC Reports EVAs Have Limited Capacity*

DS5000 systems deliver 70+% useable capacity

*http://chucksblog.typepad.com/chucks_blog/2008/08/your-storage-mi.html(August 28, 2008)


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EVA Availability Is Subject To The Rule Of 8

  • A Virtual Disk Pool (VDP) can be as large as the entire storage system but cannot be any smaller than 8 drives in size

    • Best Practices say “Should only have 1 VDP”

    • If FC & FATA disks are used there must be at least two VDPs

    • If databases are involved there must be multiple VDPs

      • To put Log Files into their own group you must create an 8-drive pool & use 2 disks

  • Redundant Storage Sets (RSS) can be as small as 6 drives & as large as 11 drives but they always try to “lock in” at 8 drives

  • To achieve redundancy at the enclosure level, under RAID 5, an EVA must have 8 drive enclosures.

    • An enclosure failure with fewer than eight drive trays will likely result in complete loss of data availability


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EVAs Are Tricky To Configure

HP limits what customers can do themselves

“Installation of the Enterprise Virtual Array should be done only by an HP authorized representative.”

There is nothing wrong with this, but it is evidence that EVAs are not the super easy systems they are often claimed to be

  • From QuickSpecs –HP StorageWorks Enterprise Virtual Array Family - Published June 19, 2007


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HP Recommends Only One Drive Type & Capacity

HP recommends using the same drive type (the same capacity) within a disk group because virtualization allocates space proportionate to the highest capacity drive within the group.

FATA drives are designed for lower duty cycle applications such as near on-line data replication for back-up. These drives should not be used as a replacement for EVA's high performance, standard duty cycle, Fibre Channel drives. Doing so could shorten the life of the drive.

A minimum of eight FATA drives are required in a configuration.

Solid State Drives must be in a separate disk group

  • From QuickSpecs – HP StorageWorks Enterprise Virtual Array Family - Published June 19, 2007


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Maintaining HA In EVAs Requires A Lot Of Attention

Adding disk drives is not a simple matter like it is with DS5000

Guidelines for adding disk drives

When adding new disk drives to the storage system, you should ensure that the disk drives are installed in the correct positions to maintain availability (Rule of Eight coming into play)

The disk drives should be distributed evenly across the disk enclosures. The number of disks a given type in each enclosure should not differ by more than one. For example, no enclosure should have two disks until all the other enclosures have at least one.

Disk drives should be installed in vertical columns within the disk enclosures. Add drives in multiples of eight, completely filling columns if possible. Disk groups are more robust with the same number of disk drives in each enclosure.

DS5000 is much easier

  • From HP StorageWorks 4x00/6x00/8x00 Enterprise Virtual Array user guide - Published June 2007


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What We Might Say About CX4 Value Proposition #1

  • Take cost out of the business without sacrificing performance and scalability by consolidating twice the workload in a single system—optimizing storage capacity—and by protecting investments.This is everyone’s intention. The real question is whether they can achieve the objective with their new CX4 hardware and software. The DS5000 series clearly demonstrates the ability to handle massive workloads. Public benchmarks have taken guessing out of the equation and replaced it with fact.

    • DS5000 series have demonstrated the ability to deliver balanced performance (IOPS & MB/s) for use in consolidating mixed workloads like Exchange, Oracle, SAP, SQL, VMware and others.

    • DS5000 does more…with less. A better TCO with a faster ROI


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What We Might Say About CX4 Value Proposition #2

  • The CLARiiON CX4 series’ power-saving technologies help manage energy consumption and consolidate data storage.Once again this is the objective that everyone is attempting to deliver. EMC has produced some nice tools but an examination of their systems help indicate they will likely cost their users more money in energy costs than systems from IBM

    • IBM has greater storage efficiency (drive/controller performance)

      • Proven with SPC-1 (IOPS) and SPC-2 (MB/s) results

      • Doing more with fewer storage assets = lower energy use

    • IBM allows drive intermixing within enclosures, thus enabling fully redundant configurations with ½ the enclosures

    • IBM carries this same green message to servers for a total solution


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What We Might Say About CX4 Value Proposition #3

  • CLARiiON CX4 systems provide industry-leading availability and protection by combining CLARiiON’s proven Five 9s availability with built-in support for concurrent local and remote (CLR) replication.This is clearly a strong thrust in EMC’s message and should be considered by anyone seeking maximum protection. However, this is the same message carried by IBM, HDS, HP and others. At this level of competition everyone is declaring Five 9s of availability and careful implementations will deliver that.

    • DS5000 does not suffer from issues like…

      • “Write Cache Disablement” due to a failed drive in the first enclosure

      • “Write Cache Disablement” due to a failed power supply

      • Loss of back-end due to unexpected loss of a FC loop


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What We Might Say About CX4 Value Proposition #4

  • CLARiiON’s unique hardware and software capabilities and integration with VMware extends the value of virtualized server environments.VMware is the EMC buzzword. There are many users who have yet to implement VMware, but there are numerous users who have. This is an area of increasing importance and one in which IBM has assumed a leadership position.

    • IBM is, and has been, one of the largest promoters of VMware.

    • IBM DS3000, DS4000 & now DS5000 are supported by VMware

    • IBM recently won a 2500 unit order based around VMware support

    • IBM Enhanced Remote Mirroring with Site Recovery Manager solution


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0

4

5

9

1

2

3

6

7

8

A

B

C

D

E

Reserved

33GB

Write Cache Vault

PSM

SP A/B Boot Disks

Core Dump

Flare Database

33GB

What CLARiiON Puts On The First 5 Drives

Consequences and best practices

For Performance reasons:

Don’t put user data on first 5 disks

For space utilisation:

Don’t include first 5 disks in user LUNs (Disks reduced by 6 GB)

For data integrity reasons:

Don't Split Raid Groups between first enclosure and other enclosures

Must be FC

6.2 GB

For data-in-place upgrade reasons:

  • Don’t put user data on first 5 disks


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CX Cache Scheme Causes Parity Issues

CLARiiON CX System

IBM DS4000 System

No enclosure redundancy

Don’t put data on first 5 disks

2+1 for redundancy = 33% parityoverhead

3+1 for

Redundancy

=25%parity

overhead


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CLARiiON CX4s Still Can’t Intermix Drives

EMC CLARiiON CX4 Series Ordering Information and Configuration Guidelines - July, 2008

CX4 drive enclosures support the following 4Gb/s drives:

SATA drives can’t be mixed with FC drives, because of issues with rotational vibration.

New 7,200 rpm SATA drives can be placed in the same drive enclosure with older 7k SATA drives,

5,400 rpm SATA drives can’t be mixedwith 7k SATA drives.


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The Pictures Look Alike, But They’re Not

IBM Disk Expansion

Loop-Router Point-to-Point Design

Switched Point-to-Point Design

Controller Card A

Controller Card B

Controller Card A

Controller Card B

Point-to-Point Loop-RouterDaisy-ChainedNo Intermixing

Point-to-PointSwitchedCabled for RAS

Intermixing

EMC Disk Expansion


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IBM EXP810 And EMC DAEs Are Different

EXP810 is Point-to-Point

Improved RAS & Performance

EXP810 is switch-based

EXP810 has dual tenancy

Multiple simultaneous data streams within the enclosure

EXP810 puts 16 drives in 3U

EXP810 supports 4Gb/s & 2Gb/s FC drives as well as 3Gb/s SATA-2 drives which have dual-path muxing, SATA-to-FC conversion and speed-matching technology to make the SATA drives 4Gb/s

Support FC+SATA intermixing

EXP810’s are interconnected via Top-Down, Bottom-Up cabling for advanced RAS

EMC DAE is Point-to-Point

Improved RAS

DAE is loop-router based

DAE has single tenancy

Single data stream within the enclosure, just like loop trays

DAE puts 15 drives in 3U

DAE supports 4Gb/s & 2Gb/s FC drives as well as 3Gb/s SATA-2 drives which have dual-path muxing, SATA-to-FC conversion with speed-matching technology to make the SATA drives 4Gb/s

Can’t support FC+SATA intermixing

DAE enclosures are inter-connected via standard daisy-chained cabling


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Some Things About EMC’s RAID 6 To Remember

Besides “small random writes” (IOPS) & “system write bandwidth” (MB/s)… What else is there?

“EMC CLARiiON RAID 6 Technology” white paperPublished July 2007


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RAID 6 Done Right Means Safety & Speed

SPC-2 public benchmark resultsdemonstrate IBM’s superiorRAID 6 performance

2.55% difference onsequential performance

between RAID 5 & RAID 6


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CLARiiON CX4: Energy Efficiency

Flash drive technology

98 percent better efficiency per IO compared to 15K Fibre Channel disks

Low power SATA II drives

Consume 32 percent less energy compared to 7.2K SATA drives

Policy-based drive Spin Down

Reduce energy for inactive drives while maintaining online access

Adaptive Cooling

Dynamically adjust cooling based on system activity

Power Calculator provides:

  • Current draw and heat output

  • Annual operating cost

  • Weight and floor space

  • Sound levels

  • Power drops required

Consume Less Power and Cooling Resources

EMC Power Calculator to accurately determine energy requirements

Correct, sort of, but requires planning

5,400rpm drives

For VTL Product – by drive enclosure

IBM has had this for many years


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IBM System Storage Competitive Sales Tool

This tool is designed to give you the help you need in competitive situations. It provides quick head-to-head comparisons between IBM System Storage products and major competitive storage products as well as how to overcome customer objections. It is a stand-alone tool which can be downloaded and used anywhere.


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