1 © 2004 Cisco Systems, Inc. All rights reserved. Rich Gore Cisco Case Study: Storage Networking and the Cisco MDS 9509 Multilayer.

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Presentation transcript:

1 © 2004 Cisco Systems, Inc. All rights reserved. Rich Gore Cisco Case Study: Storage Networking and the Cisco MDS 9509 Multilayer Director Switch Case study text Case study text Cisco Information Technology March 17, 2004

222 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Overview Challenge Storage growth within Cisco® far outpaced the capabilities of the direct access storage (DAS) or early storage area network (SAN) solutions available on the market Solution Offering storage as a utility service and moving away from the “server-centric” model (DAS) to a “network-centric” model, in which storage is pooled within the network, increases utilization, improves manageability, and saves money Results Migration and consolidation of specific ERP SAN islands to the Cisco MDS 9509 Multilayer Director Switch Next Steps Migration of all business functions in the Research Triangle Park data center to a single Cisco MDS 9509 SAN-based infrastructure

333 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Background—Summary Cisco® IT enterprise resource planning (ERP) storage evolved over the past five years, before migrating to Cisco MDS 9509 multilayer director switches – 1997—Mostly DAS over Small Computer System Interface (SCSI) – 1998—Fibre Channel switches extend storage – 2001—SAN switches consolidate storage, improve utilization

444 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Challenge—Storage Growth Storage growth within Cisco® far outpaced the capabilities of the storage management tools available on the market and was very costly. Pushing storage utilization higher was critical to Cisco cost savings. Cisco storage growth with 2003 and 2004 projections

555 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Challenge—DAS Architecture Issues In late 2000, Cisco® realized that storage management within the DAS architecture would not scale because each storage subsystem, regardless of its size, was a “point of management” In early 2001, demand for storage continued, creating another important concern with the DAS architecture—how could Cisco continue to support the growing storage environment without adding costly resources? Cisco Storage Architecture in the Mid-to-Late 1990s

666 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Solution—Network-Centric Storage Model Invest in a storage solution that includes offering storage as a utility-like service to be shared across multiple hosts and applications Move away from the “server-centric” model (DAS) to the “network-centric” (SAN) model, in which storage is pooled within the network

777 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Solution—Three Phase Plan The vision of a network–centric storage service capable of offering storage capabilities to any corporate application would be achieved in three phases: Phase 1 – 2001: Migrate DAS to SAN islands where appropriate within current business function groups Phase II – 2003: Consolidate SAN islands and any remaining DAS to a single SAN within each business function per data center Phase III – 2005: Consolidate all business function SANs to a single SAN per data center

888 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Early in the migration in 2001, Cisco® decided that the ideal hardware solution would:  Physically connect all servers to a single pool of storage  Minimize overhead associated with SAN inter- switch links (ISLs)  Provide additional expansion capabilities for future growth  Support the business unit philosophy  Provide a migration path to emerging technologies such as Fibre Channel Interface Protocol (FCIP) and SCSI over IP (iSCSI). Solution—Ideal Hardware Solution

999 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Results—Storage Architecture (Phase I) The storage teams migrated 35 percent of business storage to a SAN environment High-Level Cisco® Storage Architecture After Phase I of Migration to Storage Vision (Late 2002)

10 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The ERP/data warehousing business functions were combined into a single business function in 2002, exacerbating the scalability constraints of the available Fibre Channel switches Challenge—Migration Challenge (Phase II)

11 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Phase II of the migration was to consolidate the remaining DAS and any SAN islands within each business function into a single large SAN per business function per data center Solution—Migration (Phase II)

12 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Challenge—Migration Challenge (Phase II) Building a SAN large enough to support an entire business function environment (even within a single data center) proved challenging For example, providing storage for the ERP business function within Cisco would require more than 400 ports Multiple fabrics require multiple management interfaces – increasing management costs Multiple islands require separate storage – utilization was better, but still low

13 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Solution—MDS 9509 Multilayer Director Switch The Cisco® MDS 9509 supports all the high-availability features that define director–class operation By bundling up to 16 Fibre Channel ports into a logical port channel, the Cisco MDS 9509 achieves higher interswitch bandwidth while preserving a single interface instance within the fabric shortest path first (FSPF) routing process Migrating to 2 fabrics from 22 in the ERP improved storage utilization while reducing management overhead VSANs allowed separate storage networks on a single shared fabric, keeping business functions separate

14 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The Oracle 11i portion of the ERP development environment was chosen as the first to be migrated to the new Cisco® MDS 9509 switches The storage team planned a two–stage migration: Stage 1—Migrate one half of the current two SAN fabrics from their current 32-port SAN switch architecture to a single Cisco MDS 9509 Stage 2—After testing, migrate the second half of the two SAN fabrics to an added pair of Cisco MDS 9509s Results—Oracle 11i Migration

15 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Results—Oracle 11i Before Migration

16 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Each Cisco® MDS 9509 is configured with redundant supervisor engines, four 16–port line cards, and three 32–port line cards. Results—Oracle 11i Stage 1 Migration

17 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The Cisco® MDS 9509 switches were connected by a single port channel composed of four ports, which is treated as a single ISL by the FSPF protocol Results—Oracle 11i Stage 2 Migration

18 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The Cisco® IT storage group extensively tested the Cisco MDS 9509, the group was confident that the MDS 9509 would work in the Oracle 11i development environment and that the migration could be done with no effect on the hosted applications Results—Oracle 11i Stage 1 and 2 Migration

19 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Results—Summary The ERP Oracle 11i environment at Cisco is now better positioned for growth than ever before VSANs, which add to the security and availability within the SAN as a whole, are being used to completely isolate the former SAN islands from one another Servers can access storage on any frame independent of physical cabling and switch interconnects, leading to greater storage usage potential The new Cisco ERP/data warehousing SAN virtually eliminates the need for scheduled downtime associated with storage, and further savings are derived through operational efficiencies

20 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Consolidation of the entire Research Triangle Park data center onto a single SAN Migration of all business functions in the data center will further extend the ROI of the Cisco® MDS 9509 switches Migrations will take place without disruption to the hosted applications, and VSANs will be used to maintain strict traffic separation and to insulate applications from one another where applicable Storage products such as SRM and SAN management tools are maturing, and future technologies such as Cisco MDS 9000 Series-based storage virtualization will play a critical role in the large-scale consolidation defined and required to meet the Cisco IT storage vision Next Steps—Summary

21 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The storage pool concept would also allow Cisco® to separate the pool into various service levels. Solution—Storage Pool Concept

22 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Cisco End-to-End Network Solutions Firms that require high availability and maximum ROI choose Cisco® enterprise network solutions to: Lower costs, provide storage networks that integrate well with their data center networks, control network resources more effectively, speed project implementation, improve security, and minimize risk and complexity

23 © 2003 Cisco Systems, Inc. All rights reserved. Presentation_ID This publication describes how Cisco® has benefited from the deployment of its own products. Many factors may have contributed to the results and benefits described; Cisco does not guarantee comparable results elsewhere. CISCO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties, therefore this disclaimer may not apply to you.