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© 2010 IBM Corporation IBM Storwize V7000 vs HP P4000 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 Storwize V7000 vs HP P4000 iSCSI Disk Array Offerings 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 Disk Management Local Data Mirroring Image Mode, Sequential Mode and Striped Mode Disks 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 & SnapShot 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/Applications Storage Management w/TPC MR and TSM families Server/Storage Management w/IBM Systems Director Rich Function Capabilities Made simple to manage HP Site 1 Site 2 P4300 G2 Starter SAN P4500 G2 Virtualization SAN P4500 G2 Scalable SAN P4500 G2 Multi-Site SAN P4000 Family (formerly Lefthand) a VMWare Guest Managing local storage P4000 Virtual SAN Appliance
© 2010 IBM Corporation IBM Confidential 9 HP P4000 Marketing Claims Some material & pictures Source: HP IBM comments added Requires Network RAID Costs
© 2010 IBM Corporation IBM Confidential 10 HP StorageWorks P4000 G2 Independent iSCSI Models P4300 G2 SAS Starter SAN P4300 G2 SAS Starter SAN P4500 G2 Virtualization SAN P4500 G2 Multi-Site SAN P4500 G2 Scalable Capacity SAN P4800 G2 BladeSystem SAN Solution P4000 Virtual SAN Appliance P4300 G2 16TB MDL SAS Starter SAN P4300 G2 7.2TB SAS Starter SAN P4500 G2 10.8TB SAS Virtualization SAN P4500 G2 21.6TB SAS Multi-Site SAN P4500 G2 60TB MDL SAS SAN P4800 G2 63 TB SAS SAN Transform captive server and SAN disk drives into a virtual iSCSI SAN 16 – 256 drives 24 – 384 drives48 – 384 drives60 – 384 drives 140 drives includedVaries 16 TB Starting 256 TB Maximum 7.2 TB Starting TB Maximum 10.8 TB Starting TB Maximum 21.6 TB Starting TB Maximum 60 TB Starting 360 TB Maximum 63 TB Starting 252 TB Maximum Server dependent 10TB license All inclusive Software Feature Set Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Off-shelf HP Servers Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Server dependent Network RAID Online Volume Migration Snapshot / SmartClone Thin Provisioning IP-base Remote Copy Asynchronous Synchronous Site 1 Site 2 P4000 Series (formerly Lefthand) Announced 16th February 2010 VSA attractive to VMWare propeller heads P disk drives per node P disk drives per node New P4000 G2 10Gb/s option HP StorageWorks P4000 G2 BASE-CX4 Upgrade Kit 10GBit SFP+ will NOT be available in Feb; schedule is TBD For most workloads, 10GbE will result in a 5% to 15% performance improvement
© 2010 IBM Corporation IBM Confidential 11 P4000 Storage Nodes are HP Servers P4000 uses HP Servers as Storage Nodes –Two basic HP Server choices – P4300 or P4500 –Nothing is modified on HP Servers Redundant fans Redundant power supplies Redundant NICs cards Hardware RAID for disks –Dual RAID controller w/battery-backed 1GB cache P4000 Offering Packaging –One P4300 or P4500 package = Two Nodes –Hence P4300 has 2 x 8 disk drives = 16 disks Scales from 16 to 256 drives –Hence P4500 has 2 x 12 disk drives = 24 disks Scales from 24 to 384 drives –Optional one node P4300 or P4500 expansion –Refreshes occur with new server releases P4000 uses latest HP ProLiant Technology
© 2010 IBM Corporation IBM Confidential 12 Why does HP P4000 Become so Expensive!! One HP P4000 Node is a single HP Server This is NOT a dual storage controller !!! This single node is a SPOF HW RAID 10, 5, 6 Duplicate Your Data across nodes NETWORK RAID P4000 relies on redundant hardware resources to provide data protection Ex: P drives per node HW RAID 10, 5, 6 Two HP P4000 Nodes are two HP Servers This is NOT a dual storage controller !!! This is 2 nodes each a SPOF Two HP P4000 Node are two HP Servers with SAN/iQ software This is NOT a dual storage controller !!! Network RAID software is used to create another copy of data (2x space) This is 2 nodes with high availability
© 2010 IBM Corporation IBM Confidential 13 High Cost of Data Protection – Must use two RAID Levels! Internal Hardware RAID only protects HDD failures To provide High Availability customer MUST mirror (Network RAID) multiple copies of data across a cluster of storage nodes ASSOCIATED Network RAID overhead also reduces usable bandwidth Spares required in each node Hardware RAID for disks can be selected during initial setup of a node and cannot be changed once the node is added to a cluster HENCE increasing costs and lowering usable capacity dramatically Available Internal Hardware RAID levels RAID 5 8 Disk model: Disk model: 2 sets 5+1 RAID 6 8 Disk model: Disk model: 2 sets 4+2 RAID 10 8 Disk model: 4 drives striped and mirrored to 4 drives 12 Disk model: 6 drives striped and mirrored to 6 drives Mirror data with Network RAID Across nodes HARDWARE RAID 10, 5, 6
© 2010 IBM Corporation IBM Confidential 14 HP P4000 SAN/iQ Cluster Software & NAS Gateway Base Features: SAN/iQ Operating System –SAN/IQ a single point of administration –SAN/IQ Virtualization –SAN/IQ Storage Clustering –SAN/IQ Thin Provisioning –SAN/IQ Network RAID 0,1,2,3,4,5,6 –SAN/IQ Snapshots & SmartClones Optional Features –SAN/IQ Remote Copy (asynchronous) –SAN/IQ Multi-site/DR (synchronous) –SAN/IQ Solution Pak for Microsoft Windows –P4000 Replication for Remote Offices (DR for 10 remote sites) P4000 Unified NAS Gateway –X3000 Series Network Storage Gateway platform –Built on industry-standard HP ProLiant servers –One node or two node options –Microsoft Windows Storage Server 2008 NEW
© 2010 IBM Corporation IBM Confidential 15 HP P4000 Key SAN/iQ Capabilities Storage Clustering –Aggregates critical components –Data is load balanced –Predictable scalability Scale-out Storage –Grow on your terms –Non-disruptive –Throttle bandwidth Storage Tiering –Optimized for type of data –Online volume migration Storage Space Management –Snapshots –Thin Provisioning Simple Centralized Management –One step server-volume mapping –Integrated performance management SAS MDL SAS Centralized Management Console Some material & pictures Source: HP IBM comments added
© 2010 IBM Corporation IBM Confidential 16 HP P4000s Network RAID Definition How Network RAID works: –Creates redundant copies of data blocks –That resides on different storage nodes –Can specify up to four (4) copies of data –Recommended/default –2-way network RAID Sell 2x copies of data as Disaster Recovery Solution P SAN/iQ Storage Node Synchronous Mirroring
© 2010 IBM Corporation IBM Confidential 17 Overcoming A SPOF But At A Price P4000 touts mirroring as a strength… because they must –P4000 doesnt provide disk access between servers –P4000 doesnt provide internal info between servers –A minimum of 2 systems are required for redundancy –Volumes (LUNs) are only seen by local Storage Node Data availability beyond hardware RAID … because they must –Network RAID = redundant copies of data (2x) i.e. mirroring –Option to do 1, 2, 3 or 4 redundant copies Requires approx 2X the disks of competing systems to try to equal their performance & availability P SAN/IQ Storage Node Synchronous Mirroring
© 2010 IBM Corporation IBM Confidential 18 Beware Of Campus-wide SAN Argument P4000 encourages customers to divide their storage between buildings They tout BC/DR… because it appears to play to their strength The problem is; if the comm-link is down, or a building is down, or a controller is having a firmware upgrade, then a single controller failure can corrupt parts of all live volumes If a building cant communicate with the outside world then storage must shut down and local apps crash P SAN/IQ Storage Node Synchronous Mirroring
© 2010 IBM Corporation IBM Confidential 19 Campus SAN Costs Can Soar Best practices require doubling the hardware for performance to avoid local reads over the WAN P4000 encourages 4-way replication - This way if the connections between buildings go down there is no single point of failure This makes a P4000 solution tremendously expensive P SAN/IQ Storage Node Synchronous Mirroring P SAN/IQ Storage Node P SAN/IQ Storage Node P SAN/IQ Storage Node
© 2010 IBM Corporation IBM Confidential 20 HP P4000 True Usability Pricing = 2x Usable Capacity = 50% or less Network RAID is REQUIRED for High Availability = 2 copies of data Distributed Sparing & HW RAID reserve space Source: CPIdeas P4300 G GB 15K SAS $30,000 HP Server / RAID Controller #1 S HP Server / RAID Controller #2 S Mirroring Network RAID 1 P4300 G GB 15K SAS $30,000 HP Server / RAID Controller #1 S HP Server / RAID Controller #2 S Mirroring Network RAID 1 P4300 G GB 15K SAS $30,000 HP Server / RAID Controller #1 S HP Server / RAID Controller #2 S Mirroring Network RAID 1 Conclusion: Individual Prices look low vs Real World Business Requirements
© 2010 IBM Corporation IBM Confidential 21 Network RAID 5 Delivers approximately 60% utilization of raw disk capacity Requires at least 4 nodes in a cluster Recommended for use with mostly read, sequential applications such as file shares and archives Network RAID 6 Delivers approximately 55% utilization of raw disk capacity Requires at least 6 nodes in a cluster Recommended for use with mostly read, sequential applications such as file shares and archives on larger P4000 clusters HP BEST Practices: HP STILL RECOMMENDS NETWORK RAID 10!! Network RAID 10 is the default protection level as it has the best balance of performance and protection and it is recommended for use with any applications Only Network RAID 10, 10+1, and 10+2 provide protection from site failures in a multi-site SAN configuration NETWORK RAID 5 & RAID 6 SAN/iQ Cluster A E C F P2P2 B P1P1 D K P4P4 J L P3P3 I G H Network RAID 5 SAN/iQ Cluster A G C H P2P2 B P2P2 O M N P P3P3 P3P3 I J D E P1P1 F P4P4 P4P4 K L P1P1 Network RAID 6 NEW
© 2010 IBM Corporation IBM Confidential 22 Storwize V7000 vs HP P4000 Feature/Function Line-up Note: Bold italize implies Chargeable Feature
© 2010 IBM Corporation IBM Confidential 23 IBM Storwize V7000 Technology Advantage HP P4000 Series Storwize V7000 Offering Advantage Key Hardware Features Non-sharing Clustering 2-way cluster with Advanced Virtualization Storwize V7000 NONE Supports External Virtualization Storwize V7000 1/10 Gbps iSCSI Host port ONLY Host port options ( 8 Gbps FC, 1 Gbps iSCSI ) Same 3 Gbps SAS - SSD, SAS, SATA 6 Gbps SSD, SAS, NL SAS drives Storwize V7000 Network RAID REQUIRED Not required Storwize V7000 Midrange-class RAID Enterprise-class RAID Storwize V7000 Basic 2U, 3U & 4U Packaging Advanced 2U Package ( 12 and 24 disk options ) Storwize V7000 Key Software Features P40000 Manager Suite Storwize V7000 Virtualization Manager with simple GUI INCLUDED Same Volume Migration within Array Non-Disruptive Volume Migration across array INCLUDED Same Thin Provisioning SVC Space Efficient Disk ( Thin Provisioning ) INCLUDED Same Manual volume--level storage tieringAutomated Data Relocation INCLUDED Storwize V7000 iSCSI Only Multi-path driversSSD Multi-path Drivers INCLUDED Storwize V7000 ? SVC-based limits IOPS & MB/s for Disk INCLUDED Storwize V7000 iSCSI Performance Manager TPC for Midrange (TPC ME) with SRM and SAN Manager Storwize V7000 Copy Services Use generic copy utilities off Internet External Data Volume Migration INCLUDED Storwize V7000 Snap Copy Flash Copy Same Midrange-class Remote Copy – Synchronous Enterprise-class Metro Mirror Storwize V7000 Midrange-class Remote Copy – Asynchronous (chargeable) Enterprise-class Global Mirror Storwize V7000 Replication Manager TPC for Replication Same * SOD 8-way clustering
© 2010 IBM Corporation IBM Confidential 24 HP P4000 Take-Always Use latest Industry Standard Components – server hardware Use latest Industry Standard Components – server hardware –Low-cost entry point –Virtualization & Storage Pooling –Thin Provisioning & Snapshot –Disaster Recovery is included –All-inclusive bundled software Network RAID is positioned as a selling advantage, is greatly flawed Requires approximately 2X the assets of competing storage in order to even try to equal performance and availability If TCO is important, & remote mirroring isnt required, then P4000 is not for you P4000 requires more; drives, labor, and expertise to meet business needs
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