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© 2010 IBM Corporation IBM Storwize V7000 vs EVA Series IBM Confidential Storage Team
© 2010 IBM Corporation IMPORTANT : This document is marked IBM and BP Internal Use Only This document may be presented / reviewed with customers but is NOT to be left with them
© 2010 IBM Corporation IBM Confidential 3 Midrange Competitive Landscape HP P4000 Family (formerly Lefthand) Dell EqualLogic Family EMC CLARiiON CX4 Series HDS AMS2000 Series HP EVA Series Compellent Series 3PAR F Series Xiotech Emprise SeriesXiotech Magnitude Series PS4000 Series PS6000/PS6500 Series PS6010/PS6510 Series P4300 Series P4500 Series iSCSI Only Offerings Loosely-coupled clustering Loosely-coupled clustering Distributed-Node Clustering Traditional Clustering
© 2010 IBM Corporation IBM Confidential 4 Storwize V7000 is a Brother to the Market-leading SVC Offering Recognized by many as Industry Leading Storage Virtualization Product in the Marketplace SVC is a Strategic Product within our Hardware Portfolio IBM has shipped over 15,000 SVC engines running in more than 5,000 SVC systems all Virtualizing Data IBM has the most experience in Storage Virtualization in the Industry SVC is a Open Storage Agnostic Solution …. SAN Volume Controller is a proven offering that has been delivering benefits to customers for 6 years SAN Volume Controller demonstrates scalability with the fastest Storage Performance Council benchmark results SAN Volume Controller has the broadest Interoperability SAN Volume Controller and Storwize V7000 shares same kernel
© 2010 IBM Corporation IBM Confidential 5 As we look at Competition, Remember Storwize V7000s Value-Rich Proposition Low-entry model offering Rich and Robust list of features and functions Advanced technologies – Virtualization, SAS 6Gbps, SSDs New Enterprise-class design (2U) at Midrange-class prices, 12 & 24 drive enclosures Enterprise-class Virtualization and RAID Design Enterprise-class Copy Services Enterprise-class Automated Tiering & Thin Provisioning Enterprise-class experience – brother to market-leading SVC Enhanced Midrange Infrastructure Management Suite with TPC for Midrange (TPC-ME) Enhanced Storage Management with TSM: Unified Management with Tiered Recovery Investment Protection: Attach any legacy storage to Storwize V7000 Investment Protection: Grow into multiple segments as needed
© 2010 IBM Corporation IBM Confidential 6 What is this worth to your customer? Customers with multiple midrange storage products on the floor: – Eliminate/Consolidate Islands of information, improve utilization – Eliminate/Consolidate multiple copies of advanced functions, easier, simpler and improved management – Eliminate/Consolidate multiple storage management tasks, single point of management improve productivity – Eliminate unnecessary tasks of choosing specific model, vendor independent freedom to choose a disk system with the right price – Reduce Footprint with 2.5 small form factor drives – Common, simplified GUI with XIV, more efficient than any other management tools, improves management and productivity
© 2010 IBM Corporation IBM Confidential 7 Key Messages to Keep in Mind – The Devil is in the Detail ! Vendor marketing materials and presentations sound great –Such material is high level by definition –It is designed to highlight a product's strengths –Claims of advanced design, high availability, superior performance, low cost, are common BUT Potentially significant system differences despite similar names: –Virtualization –Clustering –Tiering –Storage Pooling –Copy Services –Consistency Groups Some system differences will be visible to customers Customers need to understand delivered capability There is no Industry Standard for Feature and Function Names
© 2010 IBM Corporation IBM Confidential 8 New Advanced (2U) design 2-way Clustering 8 Gbps FC & iSCSI host attachment Enterprise-class RAID Capacity Scalability from 1 to 120 LFF and/or 240 SFF disks SSD, SAS, NL SAS drives supported Optimized Performance 16GB Cache SSD with Easy Tier for internal & external storage 6 Gbps SAS technology Advanced Virtualization Storage Pooling Vdisk Management Local Data Mirroring Image Mode, Sequential Mode and Striped Mode VDisks Transparent data movement with external storage Optimized Pooling Thin Provisioning Internal storage External storage with Performance Zero detect Dynamic Expansion Enterprise-Class Copy Services FlashCopy & SnapCopy Remote Mirror Synchronously Remote Mirror Asynchronously Multi-Volume consistency groups Automated Storage Tiering Manual Volume Relocation Automated Volume Relocation Automated Sub-volume Relocation External Storage Virtualization Tiering Management Integration FlashCopy Manager w/Replication Services Storage Management w/TPC MR and TSM families Server/Storage Management w/IBM Systems Director Rich Function Capabilities Made simple to manage IBM Storwize V7000 vs HP EVA Midrange Offerings HP EVA HDD 96TBs EVA HDD 216TBs EVA HDD 324TBs EVA Family EVA Cluster xxx HDD xxxTBs
© 2010 IBM Corporation IBM Confidential 9 HP Oct 7 th, 2010 Storage Announcement Entry Storage – MSA P2000 Series –Tied to small server sales Entry-Midrange Storage – P4000 Series –Tied to iSCSI market –Had triple-digit growth last quarter Midrange Storage – EVA Series –Tied to loyal HP midrange customers –Very little growth in new markets NAS Storage – X9000 Series –Tied to File and Object market Enterprise Storage – XP Series –Tied to loyal HP enterprise customers Producing only 11% Marketshare Entry Storage – MSA P2000 Series –Tied to small server sales Entry-Midrange Storage – P4000 Series –Tied to iSCSI market –Add De-duplication (StoreOnce) Midrange Storage – EVA Series (P6000?) –Maintain loyal install base –Repackage as blocks and/or blades? Midrange Storage – 3Par Series (P8000?) –New cloud architecture –Focus on new features NAS Storage – X9000 Series –Tied to File and Object market Enterprise Storage – 9500 Series –Tied to loyal HP enterprise customers Oct 7 th Storage Announcement Management Change Storage Strategy Change Dave Donatelli from EMC HP ESS exec VP Dave Scott – ex-3PAR CEO Head of StorageWorks Tom Joyce from EMC Storage Marketing & Operations Goal: Wants to improve HP Marketshare! Strategy: New growth engine to dominate market Event in Barcelona to journalist and bloggers
© 2010 IBM Corporation IBM Confidential 10 HP Marketing Claims About EVAx400 Series HP Claims Latest Technology –Ability to deliver 8Gb/s FC host ports –Ability to deliver iSCSI host ports –Ability to deliver NAS File Services –Finally, EVA with 4Gb/s End-to-end (4+ years late) Enterprise Virtualization Architecture –Ease of use, self-tuning, self-managing –Reduce management complexities –Less complexity compared to traditional arrays –Dynamic Capacity Management capabilities Claims of good performance, affordability, usable capacity Please Note: The current EVA Series may be obsolete with the pending replacement P6000 announcement EVA4400 EVA6400 EVA8400
© 2010 IBM Corporation IBM Confidential 11 HP Claims 8Gbps FCP & 1Gbps iSCSI, BUT... 4Gbps Disk Enclosures 8Gbps FCP Ports NAS File Services 16 1Gbps iSCSI Ports 4 iSCSI Ports, 2 FCP Ports 4GB/s controller 4GB/s controller 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 4Gbps Host Ports 4GB/s controller 4GB/s controller 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 4GB/s controller 4GB/s controller 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 4GB/s controller 4GB/s controller 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 12 Drive Disk Enclosure 4Gbps FC Switched 2 20-port Switches2 MPX1002 MPX2002 DL380 SERVERS All options: (8Gb, iSCSI, mixing, NAS) are separate appliances/gateways More costs: Two are required for High Availability Lost productivity: More components, more cables, more customer setup & customization
© 2010 IBM Corporation IBM Confidential 12 HP EVA Software Command View EVA Storage Manager –Systems Insight Manager Foundation for unified storage-server management, included at no cost –Storage management appliance required (Single Point-of-Failure) Provides client GUI interface LUN Expansion No support for MSA and XP Arrays Supports a maximum of 16 EVA Each controller head must present itself as a unique array Command View EVA Performance & capacity planning Dynamic Capacity Management ( Pseudo-Thin Provisioning ) –Selected Operating Systems (HP/UX, Windows, Linux Only) –Still need to allocate the FULL amount of storage Copy Services Software –EVA Business Copy –EVA Continuous Access –EVA Storage CLI Scripting Utility –Secure Path Multi-pathing & MPIO support
© 2010 IBM Corporation IBM Confidential 13 The HP Way of Internal Virtualization - LUN allocation But how does it really operate with customer environments? HP own manuals & Best Practices will tell us! Virtual Array Controller 2 1 LUN 1 (RAID1) LUN 2 (RAID5) Block Mapping Table Reserved Spare Capacity Disk Group With all vRAIDs On same disks Presented LUNs Some material & pictures Source: HP IBM comments added 1- Mix VRAID 0,1,5,6 in same disk group 2- All data shares all drives in disk group – Hence no isolation of high performance LUNs from low performance LUNs 3- All disk groups requires their own spares 4- Distributed sparing requires reserved space NET RESULT: LACKLUSTER PERFORMANCE & POOR USABLE SPACE
© 2010 IBM Corporation IBM Confidential 14 EVA Best Practices Contradict Virtualization – Rule of 8 Ouch
© 2010 IBM Corporation IBM Confidential 15 EVA Ease of Use Management – Does this Sound Simple? EVA Configuration - is not easy to setup –Installation must be done by authorized HP Representative EVA Restoring - Automatic is not Always Automatic –Handling different drive capacities may require manual intervention if you need to restore a configuration EVA for Adding Disk Drives –Special guidelines required EVA Creating Disk Groups –Requires controlled sequence for managing different disk capacities EVA Replacing a Disk Drive –Should ungroup one disk at a time –Ungrouping process may take up to several hours Conclusion: Customers need to make changes and adjustments for daily operations & growth – it wont be fun and easy
© 2010 IBM Corporation IBM Confidential 16 Is Anything Really Easy To Manage On An EVA? Replacing a disk drive - not such a simple matter –Before replacing a disk, check the redundancy status of the entire storage system to ensure a disk can be removed without impacting data availability –The following conditions must all have the indicated states before the disk is removed –Requested usage & Actual usage Ungrouped. See Figure 53 NOTE: You should only ungroup one disk at a time. Before you ungroup a disk, verify that leveling is not in progress and that sufficient free space is available. After you ungroup the disk, verify the status of the disk group before continuing. NOTE: The ungrouping process may take up to several hours to complete. The time depends on the capacity of the disk and the level of storage system activity. Managing the allocated vs unallocated physical capacity of an EVA –Avoid situations where physical capacity has to be urgently added –Monitor capacity so a convenient time can be selected for adding physical capacity to a system –Do not add capacity during times when a system is reconstructing –After a disk failure –Select times when the system or applications are not under peak load or when other maintenance is being performed on the array
© 2010 IBM Corporation IBM Confidential 17 EVA Protection Levels and Usable Capacity The Protection Level is reserved space used to rebuild a failed disk –HP EVA uses a Distributed Sparing approach (2-4 volumes equal to the biggest volume per pool preallocated ) –A protection level is assigned for each disk group at the time the disk group is created –It reserves space to handle 0 (none), 1 (single), or 2 (double) disk failures –The space reserved is specific to a particular group, and cannot span group boundaries EVA Usable Capacity –An EVA configured for single sparing and 30 drive Vraid5 (4d1p) has a 30 percent capacity overhead, a 4.08TB raw capacity will present 2.88TB usable capacity –If the protection level in set to double to accommodate two drive failures (two hot spares) this number increases and reserve space is associated with the number of pools With all this Reserved Space where is Space Savings and Optimization?
© 2010 IBM Corporation IBM Confidential 18 HP EVA Dynamic Capacity Management Restrictions Is EVA Dynamic Capacity Management the same as other thin provisioning solutions? NO –Coordinate capacity expansion and reclamation with both the host file system Limited Operating System Support –Microsoft Windows, HP-UX and Linux operating systems Requires Agents to work with Host File Systems –Uses a host agent to communicate, coordinate and execute operations on the host Does EVA DCM support expand and shrink of volumes in all cases? NO –Only if that feature is supported by the operating system and, or storage firmware –For example, Windows 2003 supports expansion of a host volume, but not shrink, whereas Windows 2008 will support both expand and shrink operations. HP Dynamic Capacity Management Q&A Is this Really Thin Provisioning?
© 2010 IBM Corporation IBM Confidential 19 HP EVA Lackluster Performance Cache Only Performance Using 22GB Cache WorkloadEVA8400 Small Reads (IOPS)>210,000 Large Reads (MB/s)2,670 * Source: HP StorageWorks 8400 Enterprise Virtual Array (EVA8400) Performance White Paper Their Best 4Gbps End-to-end Performance! IBM Storwize V7000 Entry Offering is 3-4x performance of HPs largest EVA8400 Offering EVA4400 has lackluster performance with 96 drives –IBM DS3400 with 48 drives will keep up with EVA4400 –IBM DS4700 will beat the older larger EVA8100 EVA6400 – Recently published SPCs results with SSDs EVA8400 – Similar to prior EVA8100 Performance
© 2010 IBM Corporation IBM Confidential 20 IBM Storwize V7000 vs HP EVA Feature/Function Line-up Note: Bold italize implies Chargeable Feature
© 2010 IBM Corporation IBM Confidential 21 IBM Storwize V7000 Technology Advantage IBM Storwize V7000 Offering HP EVA Series Advantage Key Hardware Features 2-way cluster with Advanced Virtualization Basic Dual Controller Internal Virtualization Storwize V7000 Supports External Virtualization NONE Storwize V7000 Host port options ( 8 Gbps FC, 1 Gbps iSCSI ) Host port options REQUIRES Gateways Storwize V Gbps SSD, SAS, SATA drives 4 Gbps SSD, FC, FATA drives Storwize V7000 Global Sparing Distributed Sparing Storwize V7000 Enterprise-class RAID Midrange-class RAID Storwize V7000 Advanced 2U Package ( 12 and 24 disk options ) Basic 2U, 3U & 4U Packaging Storwize V7000 Key Software Features Storwize V7000 Virtualization Manager with simple GUI INCLUDED CommandView ( chargeable option ) Storwize V7000 Minimum Configuration Restrictions Configuration Restrictions – Must follow Rules of 8 Storwize V7000 Non-Disruptive Volume Migration across array INCLUDED Volume Migration within Array Storwize V7000 SVC Space Efficient VDisk ( Thin Provisioning ) INCLUDED Virtual Provisioning ( chargeable option ) Storwize V7000 Automated Data Relocation INCLUDED Not AvailableStorwize V7000 SSD Multi-path Drivers INCLUDED SecurePath Multi-path drivers ( chargeable option )Storwize V7000 SVC-based limits IOPS & MB/s for VDisk INCLUDED Not Available Storwize V7000 TPC for Midrange (TPC ME) with SRM and SAN Manager Performance Manager Storwize V7000 Copy Services Data Volume Migration INCLUDED Copy Data Migration ( chargeable option ) Storwize V7000 FlashCopy INCLUDED Business Copy Bundle ( chargeable option ) Storwize V7000 Enterprise-class Metro Mirror Midrange-class Continuous Access – Synchronous Storwize V7000 Enterprise-class Global Mirror Midrange-class Continuous Access – Asynchronous Storwize V7000 TPC for Replication Replication Manager Same
© 2010 IBM Corporation IBM Confidential 22 HP Enterprise Virtual Array Cluster The EVA Cluster is a preconfigured, factory integrated solution consisting of a Starter Kit of cluster components: –SVSP-based Virtualized software –SVSP-based Volume Manager, Business Copy, Continuous Access and Thin Provisioning –Requires 2 EVA storage subsystems, either EVA6400s or EVA8400s –A pair of FC switches –An Ethernet switch and management servers The EVA Cluster is designed to be with the HP Factory Express program: –Factory configured and tested –Preconfigured to meet customer requirements The EVA Cluster can be expanded with the addition –of more EVAs –or other third party arrays –can be added to the EVA Cluster in the field –allow expansion up to six arrays EVA Cluster SVSP Component is an out-band Appliance
© 2010 IBM Corporation IBM Confidential 23 In-Band vs Out-Band Architecture Disadvantages... All I/Os experience latency Copy Services are difficult to implement Performance is limited to speed of block device HP SVSP ArchitectureIBM SVC Architecture
© 2010 IBM Corporation IBM Confidential 24 HP EVA Cluster Required Components DPM VSM SVSP CVEVA CVSAN SW #1SAN SW #2 4Gbps Disk Enclosures 8 4Gbps Host Ports 4GB/s controller 4GB/s controller Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M 4GB/s controller 4GB/s controller Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M Drive Enclosures 4Gb/s Switch Design 4G b ES M 4G b ES M 2 SVSP DPM Data Path Module With 8 4Gbps Ports 2 B-Series 8/40 SAN Switch 1U 24 4Gbps ports 1 X3400 Network Storage System SVSP CommandView 1 X3400 Network Storage System EVA CommandView Ethernet Switch 1 ProCurveSwitch G 1U 24 1Gbps ports 2 SVSP VSM Virtual Service Manager 2 EVA Disk Arrays SVSP Software: Microsoft Windows Server 2008 SVSP Volume Manager SVSP CommandView SVSP Business Copy SVSP Continuous Access Optional: SVSP Thin Provisioning EVA Software: XCS V9 EVA CommandView Ports on the DPM is dedicated for hosts or storage, ½ for hosts and ½ for storage systems,
© 2010 IBM Corporation IBM Confidential 25 HP EVA Cluster – Multiple Warranties The EVA Cluster consists of modular components from different HP Business units. As a result, there are different warranties on many of the modules. Each of the modules has warranty upgrade options. Here are the warranties for each of the modules: The EVA Cluster Starter Kit comes with a 2-year HP's Global Limited Warranty and Technical Support, which includes 2 years 24x7 hardware support, with 4 hour remote response. The B-Series 8/40 SAN Switch comes with a (1-1-1) Hardware Warranty; 1-year parts; 1-year on-site (standard business hours, next business day response) and 1-year labor. The HP ProCurve G Ethernet Switch has a ProCurve Lifetime warranty for as long as you own the product, with next-business-day advance replacement (available in most countries). The X3400 Network Storage System has a standard warranty (3 years parts exchange, 3 years labor and 3 years onsite, next business day response). Software media is warranted to be free of physical defect for a period of 90 days from delivery. The EVA6400/8400 comes with HP's 3-year Global Limited Warranty and Technical Support, which includes 3-years 9x5 hardware support, with next business day (NBD) response. Software media is warranted to be free of physical defect for a period of 90 days from delivery.
© 2010 IBM Corporation IBM Confidential 26 HP SVSP Software Offerings Software TitleSoftware Features SVSP Volume Management (VM) Virtual Disk (pooling/virtualization) Data Migration Sync Mirror (2 way) Import in place SVSP Business Copy (BC) – for a single domain Snapshot Snapclone SVSP Continuous Access (CA) – for multiple domains Snapclone Async Mirror SVSP Thin Provisioning (TP)Thin Provisioning SVSP CommandView - Only works with EVA CommandView Create and manages SVSP Storage vLUNs EVA CommandView - Required to setup EVA disk arrays Creates and manages EVA Storage LUNs
© 2010 IBM Corporation IBM Confidential 27 Product Structure: Tier Pricing + EVA Software
© 2010 IBM Corporation IBM Confidential 28 External Virtualization Differences IBM Storwize V7000/SVCHP SVSP Multipath driver SDD and native MPIO. Free of charge Depend on native multipath drives. HP SecurePath, HP MPIO, QLogic SAN Design1, 2 or 4 fabrics2 fabric Multi SAN VendorYesNo information about SAN Vendor dependencies Switch supportAll standard SAN switches HP Data Path Module required (special SAN Switch) Cache / No-cacheCache, Replication and PiT CopyNo-cache SMI-SYesNo information about SMI-S support Synchronous replication YesNo Asynchronous replication YesNo, not directly, copy a PiT target volume data Data movementYesYes, PiT – move source data - resync Point in Time CopyYes, Instant PiT MaintenanceOn the fly Thin ProvisioningYes
© 2010 IBM Corporation IBM Confidential 29 HP EVA & EVA Cluster Take-Aways Cool Virtualization Story : Cool Virtualization Story : –Block-based data movement –Low Cost Starter Kits –Added prebuilt SVSP Bundle Appliance/gateways required for added functions Setup and management has hidden issues EVA & SVSP Lacks True Scalability Multiple licenses for key features Lackluster performance! With HP buying 3PAR, positioned right on top of EVA, what's the future of EVA?
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