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

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Underlying technologies and reducing the risk

Stratus Stratus TechnologiesTechnologies

Andy BaileyAndy Bailey

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Stratus

The Smarter The Smarter Approach to Approach to Uptime™Uptime™


In today’s world, there is an

expectation that systems are “

always available”.

Every application is

“mission essential”.

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Stratus



Putting a perspective on the cost of downtime…..

Industry Segment Normal Cost of Downtime Peak Cost of Downtime

Discrete Manufacturing €49,000 €247,000

Process Manufacturing €19,800 €762,000

Banking €828,000 €2,698,000

Telco €192,000 €499,000

Average Per Hour €272,200 €1,051,500

Source: HP analysis of 158 companies across EMEA, Summer 2005

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Risk Factors associated with Virtualisation

No. Applications

Risk F

acto

r

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Underlying technologies and reducing the risk

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The host becomes a single point of failure.

Virtual servers

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Stratus’ approach is to prevent any failure conditions……..

Primary environment

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…..rather than recovering from failures

DR environment

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Stratus



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

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Stratus



At Stratus, “Availability” is

the primary focus ofeverything we

do!

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The Company

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HQ – Boston, MA

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Stratus Customers

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Constantly changing data is needed in real-time to make

decisions

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The server is a direct interface

between a business and its customers

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Availability of the application is a

direct contributor to revenue

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Single transaction is of enormous

value or critical

importance

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Technology

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FULL REDUNDANCY - All components are duplicated

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Processors run in “Lockstep”

Fault Detection

&IsolationEmbedded I/OEmbedded I/O

PCIPCIDisksDisks

CPUCPU

ChipsetChipset

MemoryMemory

Fault Detection

&Isolation

Fault Detection


PCIPCIDisksDisks

CPUCPU

ChipsetChipset

MemoryMemory

Fault Detection

&Isolation

Lockste

pp

ed

CP

Us

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Multi-path I/O capability

Fault Detection


PCIPCIDisksDisks

CPUCPU

ChipsetChipset

MemoryMemory

Fault Detection

&Isolation

Fault Detection


PCIPCIDisksDisks

CPUCPU

ChipsetChipset

MemoryMemory

Fault Detection

&IsolationM

ult

i-p

ath

I/O

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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

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What happens to the data?

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Disks run in Full Duplex mode

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Memory is mirrored and synchronised

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Network ports are duplicated and “teamed”

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OS and S/W reliability

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OS Support & Failsafe software

Red Hat® Linux® OS

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S/W versions

W2003 Enterprise

Edition

W2003 Standard on entry-level

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Stratus Failsafe software

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

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

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Rapid disk resynchronization transparently mirrors disks and protects data integrity

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Active Upgrade™ Technology

Addresses major causes of planned downtime

Active UpgradeActive Upgrade

ftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchftSwitchVirtual

TechnicianModule

Virtual Virtual TechnicianTechnician

ModuleModule

Virtual Technician

Module


ModuleModule

Virtual Technician

Module


ModuleModule

Virtual Technician

Module


ModuleModule

Virtual Technician

Module


ModuleModule

Rapid Disk

Resync

Rapid Rapid DiskDisk

ResyncResync

Rapid Disk

Resync


ResyncResync

Rapid Disk

Resync


ResyncResync

Rapid Disk

Resync


ResyncResync

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What is Active Upgrade?

S

S D

D1. Duplex

2. Split

3. Merge & Commit

S

S D

D

S

S D

D

RDR-MirroredSystem Disks &

Data disks

ApplicationKeeps Running

Patch/Hot-fixGets Applied

Re-mirror fromLatest System &

Latest DataDisks

Outside

World

Outside

World

Outside

World

Outside

World

Outside

World

Outside

World

Enet,

EMC, etc

SystemDisks

DataDisks

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ROOT-CAUSE ANALYSIS

Accurate error data capture to prevent problem recurrence

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Service Methodology

http://www.microsoft.com/WindowsServer2003/sbs/upgrade/benefits.mspx

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24hr Customer Assistance

Centre

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Component fails. System

ISOLATES fault and notifies

Stratus that a CPU has

failed

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System automaticall

y ordersCORRECT

replacement part

Next DayNext DayDelivery Delivery ServiceService

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Hot-pluggable

components are EASY to

replace


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System synchronizes

with replacement component


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Worldwide Services

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Stratus is the first and only vendor to report daily the

reliability of its installed base of systems worldwide.

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UnmatchedOperational

Simplicity

CompellingFinancial Advantage

Continuously AvailableSolutions

Stratus, in conjunction with offer a unique virtualisation proposition…

http://www.swsoft.com/

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

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