1 Stratus Technologies Andy Bailey Underlying technologies and reducing the risk Stratus Technologies Andy Bailey

2 The Smarter Approach to Uptime Andy Bailey Stratus The Smarter Approach to Uptime Andy Bailey In todays world, there is an expectation that systems are always available. Every application is mission essential.

3 The Smarter Approach to Uptime Andy Bailey Stratus The Smarter Approach to Uptime Andy Bailey Putting a perspective on the cost of downtime….. Industry SegmentNormal Cost of DowntimePeak Cost of Downtime Discrete Manufacturing49,000247,000 Process Manufacturing19,800762,000 Banking828,0002,698,000 Telco192,000499,000 Average Per Hour272,2001,051,500 Source: HP analysis of 158 companies across EMEA, Summer 2005

4 Risk Factors associated with Virtualisation

5 Underlying technologies and reducing the risk

6 The host becomes a single point of failure. Virtual servers

7 Stratus approach is to prevent any failure conditions…….. Primary environment

8 …..rather than recovering from failures DR environment

9 The Smarter Approach to Uptime Andy Bailey Stratus The Smarter Approach to Uptime Andy Bailey Technology to de- risk aggressive virtualization deployments Always or Continuously available Simple to operate and maintain uses commercially available operating systems everything is hotplug Uncompromising TCO Acquisition Management Downtime

10 The Smarter Approach to Uptime Andy Bailey Stratus The Smarter Approach to Uptime Andy Bailey At Stratus, Availability is the primary focus of everything we do!

11 The Company

12 HQ – Boston, MA

13 Stratus Customers

14 Constantly changing data is needed in real-time to make decisions

15 The server is a direct interface between a business and its customers

16 Availability of the application is a direct contributor to revenue

17 Single transaction is of enormous value or critical importance

18 Technology

19 FULL REDUNDANCY - All components are duplicated

20 Processors run in Lockstep Fault Detection & Isolation Embedded I/O PCIDisksCPUChipset Memory Fault Detection & Isolation Fault Detection & Isolation Embedded I/O PCIDisksCPUChipset Memory Fault Detection & Isolation Lockstepped CPUs

21 Multi-path I/O capability Fault Detection & Isolation Embedded I/O PCIDisksCPUChipset Memory Fault Detection & Isolation Fault Detection & Isolation Embedded I/O PCIDisksCPUChipset Memory Fault Detection & Isolation Multi-path I/O

22 Self-checking logic detects and isolates errors to the component level and notifies Stratus of problems If hard error occurs, faulty component is taken out of service; duplicate component continues normal processing – ZERO LATENCY

23 What happens to the data?

24 Disks run in Full Duplex mode

25 Memory is mirrored and synchronised

26 Network ports are duplicated and teamed

27 OS and S/W reliability

28 OS Support & Failsafe software Red Hat® Linux® OS

29 S/W versions W2003 Enterprise Edition W2003 Standard on entry-level

30 OS Support & Failsafe software Red Hat® Linux® OS

31 S/W versions Red Hat® Enterprise Linux® AS kernel W2003 Standard Edition W2003 Enterprise Edition W2003 Enterprise Edition R2

32 Stratus Failsafe software

33 Reliably distinguishes software issues from hardware issues to speed problem resolution – TRANSIENT ERROR PROTECTION

34 Driver hardening ensures uninterrupted processing if an I/O interface fails

35 Rapid disk resynchronization transparently mirrors disks and protects data integrity

36 Active Upgrade Technology Addresses major causes of planned downtime

37 What is Active Upgrade? S SD D 1. Duplex 2. Split 3. Merge & Commit S SD D S SD D RDR-Mirrored System Disks & Data disks Application Keeps Running Patch/Hot-fix Gets Applied Re-mirror from Latest System & Latest Data Disks Outside World Outside World Outside World Outside World Outside World Outside World Enet, EMC, etc System Disks Data Disks

38 ROOT-CAUSE ANALYSIS Accurate error data capture to prevent problem recurrence

39 Service Methodology

40 24hr Customer Assistance Centre

41 Component fails. System ISOLATES fault and notifies Stratus that a CPU has failed

42 System automatically orders CORRECT replacement part Next Day Delivery Service

43 Hot-pluggable components are EASY to replace Next Day Delivery Service

44 System synchronizes with replacement component Next Day Delivery Service

45 Worldwide Services

46 Stratus is the first and only vendor to report daily the reliability of its installed base of systems worldwide.

47 Unmatched Operational Simplicity Compelling Financial Advantage Continuously Available Solutions Stratus, in conjunction with offer a unique virtualisation proposition…