Optimizing Storage Efficiency with Information Lifecycle Management Solutions

Transcription

1 Optimizing Storage Efficiency with Information Lifecycle Management Solutions Justin Yeap Tang Hock FTSS Technical Specialist IBM INFORMATION ON DEMAND COMES TO YOU January, 2008 Malaysia

2 Business trends affecting Storage Trends Action Plans Data is growing quickly With every refresh cycle, storage: Gets less expensive per TB New features/functions become available Business requirements change due to: Data growth New external business requirements New internal business requirements Value of data to the business, and its usage profile, changes as the data ages Server virtualization 1

3 Trends & Opportunities affecting Storage Trends Data is growing quickly With every refresh cycle, storage: Gets less expensive per TB New features/functions become available Business requirements change due to: Data growth New external business requirements New internal business requirements Value of data to the business, and its usage profile, changes as the data ages Action Plans Leverage your information at a lower cost, and at a higher value, compared to your competition Exploit storage refreshes to lower your cost per managed terabyte Exploit new functions to benefit your customers or reduce your cost Create new economies of scale Deploy innovative new information capabilities Effectively manage risk versus cost Move data to a less expensive form of storage to match its value and usage profile Free up top-tier storage for appropriate usage Server virtualization Create an agile storage infrastructure that is optimized to match virtualized servers 2

4 Making Information a Strategic Asset Expanding Value Beyond Traditional Repositories Business Value Information On Demand Information as a Competitive Differentiator Adaptive Business Performance Information to Enable Innovation Real-time Single View of the Truth Focus on Data And Reporting Data to Run the Business Basic Information Interaction Information to Manage the Business Flexible Information Architecture Information in Context Innovative Uses of Information Drives New Business Value Maturity of Information Use 3

5 Information Lifecycle Management is a strategic response to these trends Three things to remember about ILM: 1. Think policies, processes, practices, and tools not just products 2. Align business value of information with the most cost effective IT infrastructure 3. Alignment through management of service levels over time ILM is comprised of the policies, processes, practices, and tools used to align the business value of information with the most cost effective IT infrastructure from the time information is conceived through its final disposition. Information is aligned with business processes through management of service levels associated with applications, metadata, information, and data. Storage Networking Industry Association - SNIA 4

6 Case Study Business Context ACME Corporation has annual revenue in the range of $1B - $5B. They operate in the health services industry*. They asked IBM STG Lab Services to advise them on tactics for implementing ILM best practices. They stated the following key business objectives: Create a 3-5 year vision for storage infrastructure Control costs as they grow Implement more effective data management processes such as storage tiering, automation, consolidation and standardization Improve disaster recovery position Improve backup/restore position Increase efficiency in meeting compliance requirements Improve staff efficiency Effectively accommodate drivers of growth * To preserve confidentiality, the name and characteristics of this client have been changed. For clarity, many details have been simplified or omitted. 5

7 Case Study: ACME Corporation ACME utilizes SAN and internal direct attached storage (DAS) supporting a variety of server platforms. Two primary data centers plus other IT infrastructure located at various remote locations Primary server platforms are Intel, Unix and System z, running Windows, Novell, VMware, AIX, z/os Many stand alone servers are not connected to the SAN. Disaster Recovery through replication and data backup Overall storage growth rate is approx 50% per year, with primary growth areas in digital images and Windows applications Overall storage utilization varies from 25-65% for SAN storage, lower for DAS, higher for mainframe storage Substantial DAS capacity approximately 15% of total ACME data center storage topology 6

8 ACME maintains approximately 400TB of disk in data centers with substantial direct attached or internal storage capacity contained within servers. Storage tiering by performance and availability is not widely implemented in Open Systems. Remote mirroring for availability and disaster recovery is in use with plans for expanded coverage of mission critical applications Top-tier SAN Disk, one newer and several older High performance, RAID 1 Mixed 10k and 7200 RPM, mixed capacities Midrange SAN Disk Medium performance, RAID 5 Mixed 10k and 7200 RPM, mixed capacities Approx 950 servers with DAS Disk: 500 servers with internal DAS (120 >100GB) 300 with internal storage only (total 33TB) 150 with non-san external storage (total 24TB) All Data Center Storage (TB*) NAS/Other Mainframe SAN Internal DAS Data Center SAN Storage (TB*) 3 - EMC EMC Clariion 4 - EMC DMX 1000 DMX

9 In a Business As Usual (BAU) scenario, ACME would need 340TB of new disk and 1.6PB of new tape storage in the next three years, resulting in $15M of operating expenses! Projecting the current practices and disk growth going forward, ACME will need 75TB, 105TB, and 160TB in each of the next three years Tape Storage will also grow substantially BAU Annual New Disk Storage 500 TB 450 TB 400 TB 350 TB 300 TB 250 TB 200 TB 150 TB 100 TB 50 TB 0 TB BAU Disk Storage Growth New Disk Stg Start of Year Year 1 Year 2 Year TB $ 4.5 M 160 TB 140 TB 120 TB 100 TB 80 TB 60 TB 40 TB 20 TB 0 TB Year 1 Year 2 Year 3 $ 4.0 M $ 3.5 M $ 3.0 M $ 2.5 M $ 2.0 M $ 1.5 M $ 1.0 M $ 0.5 M $ 0.0 M Costs to cover that disk infrastructure includes hardware, maintenance, and increased staff expenses for administration Not counting tape, disk-associated costs would total roughly $10M over three years BAU New Stg BAU Cost of New Stg 8

10 SAN disk virtualization enables ACME to lay the foundation for implementation of an ILM infrastructure. The IBM SAN Volume Controller (SVC) is designed to enable storage virtualization with improved resource utilization, storage administration and simplified provisioning: Pools storage devices into reservoirs of capacity for centralized management. Designed to provide non-disruptive capability for migration and technology upgrades. Scalability and high-end performance proven by references and comparative benchmarks. Work with various vendors products to enhance IT flexibility and avoid lock-in. Helps increase the amount of storage capacity that is available to host applications. Designed to improve overall utilization of storage hardware resources. 9

11 Disk virtualization enables ACME to organize and sustain a pooled, tiered storage infrastructure even as technology advances and data capacity grows. Opportunity to increase the current 25-65% utilization, and reduce future storage purchases by pooling capacity across storage controllers. In some cases data placement no longer reflects best practices, with a significant opportunity cost. Organize storage tiers to reflect the performance and availability characteristics needed by variety of business requirements. Data can be placed onto tiers and moved among tiers to match the workload profile with business value. Virtualization enables ACME to add new disk controllers and retire older controllers without disruptive or expensive migration projects. Mission Critical Tier 1 Virtual Disk High performance & availability arrays Business Vital Tier 2 Virtual Disk SAN Business Important SAN Virtualization Midrange disk Tier 3 Virtual Disk Important Productive Tier 4 Tape SATA disk 10

12 Select a disk virtualization solution reliability, scalability, and performance references SVC is designed to be resilient and highly available It has leading published benchmarks It scales to manage large environments SVC is a proven offering, delivering benefits to customers over four years Thousands of systems have been installed across a wide range of industries SVC supports non-disruptive firmware updates and hardware maintenance on the disk arrays to further increase its availability SVC has leading SPC-1 benchmarks (155K IOPs) SVC has leading SPC-2 benchmarks (7.1 MBPS) Many references quote significant performance improvements SVC scales from very small configurations (1TB) to large enterprises (> 500TB) and growing! SVC now manages over 15PB of production storage worldwide For more information, see 11

13 Storage management solutions should automate or assist data movement to maintain optimization and control cost IBM TotalStorage Productivity Center helps ACME to: Understand how storage across multiple systems is used so that classification and placement can be implemented. Define policies to detect usage patterns and take actions such as alerts, scripting, file archive or deletion. Identify, evaluate, control, and predict enterprise storage management needs. Centrally monitor and manage SAN storage from a variety of vendors IBM Tivoli Storage Manager is designed to: Stage backups to disk pools, and then transfer disk pools to tape to reduce backup windows. Manage the number of backup and archive copies of objects to reduce duplication on backup media. Interoperate with virtual and physical point-in-time data copy operations, as well as virtual tape libraries, to optimize the use of resources. Tivoli Storage Manager for Space Management (HSM) can move seldom-accessed files to lower cost storage automatically, and transparently recall them as needed. Princeton Softech can archive structured application data onto less expensive storage tiers as the data ages, to control cost and avoid unbounded data growth. 12

14 A financial model of disk virtualization and storage tiering at ACME These charts model potential savings due to storage purchase avoidance over the next three years. The following products are designed to enable data to be placed to match its business value: IBM SAN Volume Controller IBM TotalStorage Productivity Center IBM Tivoli Storage Manager The model assumes ACME is able to move 20% of their data from tier 1 in the first year, less in subsequent years 10% of their data from tier 2 in the first year, less in subsequent years 7-10% of data is moved to tape each year 3-5% of data is reclaimed annually These charts do not include: Reductions in staff costs per managed TB. Decreased HW depreciation costs. Reduced costs due to higher capacity tape cartridges 2,500 TB 2,000 TB 1,500 TB 1,000 TB 500 TB Business As Usual Cumulative Tape & Disk Storage 0 TB Year 0 Year 1 Year 2 Year 3 Disk Stg Tape Stg $18.0 M $16.0 M $14.0 M $12.0 M $10.0 M $8.0 M $6.0 M $4.0 M $2.0 M $0.0 M 2,500 TB 2,000 TB 1,500 TB 1,000 TB 500 TB 0 TB Business As Usual Cumulative Tape & Disk Storage Costs Year 1 Year 2 Year 3 New Solution Cumulative Tape & Disk Storage Year 0 Year 1 Year 2 Year 3 Disk Stg Tape Stg BAU New Solution 13

15 This business case is independent of which vendor s storage is purchased to handle the projected data growth. The costs and benefits are derived from making more efficient use of new and existing storage. Investing in ILM processes, tools, and practices will enable ACME to control costs even as data grows. The ACME case study models how the benefits of storage purchase avoidance can far outweigh the cost of improving your ability to exploit your storage. Total Benefits (Savings) by Type Total Costs by Type Disk Storage Cost Avoidance $6,879 56% Tape Storage Cost Avoidance $711 6% SW Lic & Maint $4,201 80% HW Cost & Maint $250 5% Implement $61 1% Reduce HW Depreciation Expense $2,608 21% Enhanced Staff Efficiencies $2,029 17% Education $135 3% Professional Services $350 7% Ongoing Admin $185 4% 14

16 The IBM N series is designed to enable ACME to virtualize and consolidate their file shares, implement storage tiering, and improve staff efficiency. Scalable, clusterable solution for consolidating file shares. Reduces number of storage administration points Supports multiple storage tiers SnapShot feature can decrease overlap between backup and production processing. SnapMirror provides data replication and enables tape backups to be consolidated into fewer locations. Supports a variety of archiving options in conjunction with IBM and 3 rd party solutions. Robust interoperation with TSM. SnapLock feature provides a data retention solution that is also accessible over file share protocols. 15

17 Disk virtualization synergy in top disk tiers To recap: A major goal of storage optimization and virtualization, in executing an ILM strategy, is to reduce incremental growth of top-tier storage capacity! However, a top-tier disk system such as the IBM System Storage DS8000 has strong synergy with virtualization and storage tiering. The DS8000 complements virtualization and tiering: Intermixable disk drive packs offer a range of performance characteristics and cost per TB: 73GB, 146GB, and 300GB 15k RPM FC; 146GB and 300GB 10k RPM FC 500GB 7200 RPM FATA Low-cost FATA drives can be a good fit for near-line or archive disk, fixed content data, or secondary disaster recovery. Outstanding scalability from 1.1TB up to 512TB. Logical partitioning (LPAR) capability supports service class distinctions and workload partitioning Excellent storage management interoperation between IBM SAN Volume Controller, TotalStorage Productivity Center, and DS

18 Tape Virtualization is designed to enable ACME to optimize their backup process Virtual Drives Real Tape Drives Backup Window Service Level Incidents Unbind physical tape drives from backup process Potential to reduce backup window Better utilization of fast tape drives Tapes do not wait for slow LAN backups Free up tape drives for other tasks besides backup Enable improved recovery time objective Reduce physical tape movement, especially for smaller virtual volumes Reduce queuing for resources during recovery Enable improved recovery point objective Create incremental backups more frequently since they can be written to cache Augment the existing business continuance infrastructure Reduce bottlenecks and utilize tape assets more efficiently Create tapes at remote site to avoid use of higher tier data replication 17

19 TS7520 Virtualization Engine Overview Up to 4.8GB/sec and 884TB native capacity Up to 512 virtual tape libraries, 4,096 virtual drives and 256,000 virtual volumes Attaches to: IBM System p, System z (Linux) and System x Selected HP and Sun Microsystems servers Servers running supported Microsoft Windows and Linux operating systems Support for: Current IBM tape libraries and tape drives Leading backup applications Optional Features Network replication (TCP/IP asynchronous copy) Compression (data at rest and in flight) Encryption (data in flight and on tape) Excellent scalability, capacity and performance Start with a single server and expand to a four-way cluster Start with a cache capacity of only 6.5TB and scale to 884TB Start with one server with up to 1.2GB/sec and scale up to a four way cluster with 4.8GB/sec performance 18

20 IBM defines a flexible approach to implementing ILM based on customers tactical and long-term business needs Storage Virtualization and Optimization is one of several tactics clients have used to implement an ILM strategy Through any of these approaches, our goal is to enable you to costeffectively manage information and leverage its business value throughout its lifecycle 19

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