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Reach Your Technical Peak 2004. Business Continuity in the Progress Environment. Agenda. Introduction Evaluating the Risks Planning Implementation Tools to Help Summary. Does this look familiar?. “ Business Continuity / Disaster Recovery was the #1 concern of data center executives.”.

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Agenda l.jpg
Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to Help

  • Summary



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Business Continuity / Disaster Recovery was the #1 concern of data center executives.”

June 2004 Survey

Gartner, Inc.


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What is Disaster Recovery?

  • Definitive plan accepted by ALL levels of management

  • MUST be utilized when all other recovery measures have failed

  • Effective DR solution is a part of a HA requirements

  • Final stage of any HA solution


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The Availability Index

*Adapted from Blueprints for High Availability by

Evan Marcus and Hal Stern (ISBN: 0-471-43026-9)


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What do you need to Consider?

  • Insure the safety and security of employees

  • Fully equipped off-site facility

  • Ability to effectively run business from off-site facility


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Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to Help

  • Summary



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Evaluating the Risks

"Half of U.S. corporations rate their internet downtime costs at more than $1,000 per hour."

Yankee Group

(http://www.yankeegroup.com)


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Evaluating the RisksCauses of Unplanned Downtime

*Adapted from Blueprints for High Availability by

Evan Marcus and Hal Stern (ISBN: 0-471-43026-9)


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Evaluating the RisksOther Considerations

  • Business process failure

  • Asset loss

  • Regulatory liability

  • Customer service failure

  • Damage to reputation or brand


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Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to Help

  • Summary



Planning l.jpg
Planning

"Power outages interrupt operations at 72 percent of U.S. businesses."

Contingency Planning & Management Online

(http://www.ContingencyPlanning.com)

Ernst & Young

(http://www.ey.com)


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Planning Questions to ask yourself

  • Do I need 99.999% availability?

    • How is this achieved?

  • Can I do more with what I already have?

  • What is my disaster recovery plan?

    • Do I need redundant systems?

    • Do I need redundant data?

    • Can the business continue in an off-line or manual mode?


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PlanningFreshness vs. Downtime

Backup Refresh

“Freshness”

mths

wks

days

hrs

mins

secs

Recovery Time

“Downtime”

Zero

secs

hrs

mins

days

wks

mths

Acceptable Downtime ? Recovery Time and Data Integrity

“I’m up and running in seconds, but I’ve lost a day’s data”

What Are My Disaster Recovery Needs?

“I lost no data but it took me a weekto do it”


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PlanningCalculating the Value of Down Time

  • How much will this cost the enterprise in immediate and future loss of business?

  • How will this failure affect the corporate image?

  • Will the customer impact be only temporary or will customers leave forever?

    http://www.sss.co.nz/services/downtimepage.htm


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PlanningWhat do you have to consider

  • Database the easiest to think of

  • Complete OpenEdge Environment

  • Hardware

  • 3rd party Software

  • The application?


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Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to help you

  • Summary


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Implementing the Plan

Combination of Resources

Designed to withstand any single failure


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Implementing the Plan – Test

  • You should test your plan periodically (Not when you actually have to use it!!!)

  • Everyone that has responsibility in the plan has to participate!

  • How often should you test?


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Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to Help

  • Summary


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Business Continuity SolutionsTools to help you solve the problem…

The OpenEdge Environment


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Fathom Management

  • Talked about it at previous Tech Peaks

  • Monitors the system

  • Puts procedures in place to help prevent a disaster

  • Puts procedures in place to lessen a disaster

  • Helps you plan for moving forward


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Fathom Replication

  • To prevent data loss from your database in the event of a hardware failure.

  • To provide a secondary reporting area to offload processing from the production machine

  • To guarantee business continuity continues in the event of a disaster



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Fathom ReplicationComplete Configuration

Source

Database

Target

Database

AI Extents

Database

Broker

Processes

Database

Broker

Processes

Repl Queue

Repl

Server

Repl

Agent

Repl Queue


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Fathom Replication Server Details

  • Configures and manages remote agents

  • Sends all database activity to its replication agents

  • Controls replication agents

Source

Database

AI Extents

Database

Broker

Processes

Repl

Server

Repl Queue


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Fathom Replication Agent Details

  • Receives database activity from replication server

  • Performs continuous roll-forward to target database

  • Types of Agents

    • Asynchronous

    • Synchronous

Target

Database

Database

Broker

Processes

Repl Queue

Repl

Agent


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Fathom ReplicationWhat Happens If…

Ouch!

Bam

Source

Database

Target

Database

AI Extents

Database

Broker

Processes

Database

Broker

Processes

Repl Queue

Repl

Server

Repl

Agent

Pow

Repl Queue


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Fathom ReplicationWhat is a Failure?

  • Process terminates abnormally

  • Database crash

  • TCP/IP communications problem

    More important – how do we recover?


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Fathom ReplicationServer Failure Recovery

Reconnect

Attempt to

Reconnect

to Agent

yes

Perform

Recovery

Synchronization

no

no

Timeout

Expired

Resume

Normal

Operation

Connect

timeout

yes

Another

Agent

yes

Deactivate

Failing

Agent

no

Exit


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Fathom ReplicationAgent Failure Recovery

Reconnect

Listen for

Server

Connection

yes

Perform

Recovery

Synchronization

no

Timeout

Expired

no

Resume

Normal

Operation

Transition

timeout

yes

Manual

Transition

Auto

Transition

yes

Production

Database

no

yes


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Fathom Replication

“The main reason for [Replication] is the importance of the application to our business.”

Denise MacDonald, Network and Support Manager,Caledonian MacBrayne


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Agenda

  • Introduction

  • Evaluating the Risks

  • Planning

  • Implementation

  • Tools to Help

  • Summary


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Summary

  • Disaster Recovery is only part of High Availability

  • Fathom Management & Replication can help, but it is not the complete solution

  • Understand what your requirements are

  • Plan with those requirements in mind

  • Can you afford not to have a plan?


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