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Database Archiving

Michelle AyersAdvisory Solution Consultantmichelle.ayers@visionsolutions.com

November 2010

visionsolutions.com

for Business

Leaders Have Vision™ visionsolutions.com 2

Vision Solutions’ Corporate Profile

• Leading portfolio of information availability brands– Supports Windows, Linux, Power Systems and Cloud Computing– Aligned with HP, IBM, Microsoft, VMware and other leaders– Teradata Business Partner

• One of the world’s largest engineering and support teams– Exclusive cross-pollination of ideas and technologies– The best talent in the industry!

• Among the industry’s largest worldwide partner networks– Unprecedented support for customers of all sizes and geos– 800+ partners, 25,000+ customers in 70+ countries

• Strong financial performance

• Privately held by Thoma Bravo inpartnership with management

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Why Archive?

Reduce disk storage utilization

Improve ERP application

performance

Defer disk/hardware upgrade

Accelerate nightly backups/batch

jobs

Optimize Environment for HA

Number ranges expiring

Prepare for Stepping Up to new ERP

release

Meet legal requirements

Remove legacy data

Business Benefits100%

50%

90%

75%

Disk Utilization

Start planning for disk upgrade

Critical threshold

Increasing risks and Increasing monitoring costs

Risks & Costs

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What to do with Archived Data

Near-Line and Off-Line Strategies

On-Line – Data that is stored in the production database and is used for on-line transaction processing

Off-Line – Data that has been archived to tape andIs not available to users unless it is restored

Near-Line – Data that has been archived from the Production database and now resides on a different Place on disk. It is accessible to users (typically ona read-only basis)

Purge – Deletion of data with no copy held anywhere

On-Line

Near-Line

Off-Line

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Archive Strategy

Sample Data Retention Policy

ProductionDatabase

HistoryDatabase

2 Years Plus Current Year

3 Years and up to 5 Years

Greater than 5 Years

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Choosing an Archiving Solution

Considerations

Solution Type – ERP vendor, third party solution or develop

own solution?

While Active – 24 x 7 users availability and minimize disruption

to housekeeping tasks

Preserve Database Integrity – avoid creating orphaned data

such as Detail Lines without a Header

Skills Required – DBA/Business Analyst and/or Programming

Flexibility – incorporation of local and country modifications,

and business requirements

Auditing – who ran which task when over which data and when

Recovery – if we accidentally archive too much data how do we

put it back?

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Planning an Archiving Project

Required Steps

Planning Exercise

Project Plan

Identify Business Areas

Determine Retention Policies

Annual archiving or incremental?

Perform Database Analysis

Engage Business Users/Data Owners

Develop Test Plans

Metrics

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Running an Archiving Project

Implementing the Project Plan

Appoint Archive Project Team

Develop archives

Run archives on Test database

Perform Testing – check test plans

Record Metrics - how much data archived, how much

disk space recovered, performance improvements

Repeat on Live database

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Hints and Tips

Points to consider…

Set milestones and time limits

Where to start on your database

Reassure staff

Look back at what was not archived

Avoid Procrastination

Largest tables are not always the easiest to archive

Fear Factors

Orders/deliveries not at completed/cancelled status…

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Test Database

Company Copy

ProductionDatabase

Test Database(Company

Copy)

2 Years Plus Current Year

Last x months of

transactional data

Copy Only

Smaller Test database

saves disk space

Selectively include/exclude

Divisions

Create while users active

Change Company number

Leaders Have Vision™ visionsolutions.com 11Note: Branding Updates In Process

High Availability-Any distance data replication-One button switchover & failover-Hardware independent-Maximum flexibility-Low management-Physical or virtual environments-Optimal RPO and RTO

Disaster Recovery-Any distance data replication-User selectable recovery point CDP-Hardware independent-Maximum flexibility-Low management-Physical and virtual environments -Public or Private Cloud deployment

Data and Systems Management-Change Data Capture CDC-Data transformation-Data integration-Data migration without down-time-Analyze, monitor, manage and optimize

VISION®

for Windows®VISION®

for Linux®VISION®

for AIX®VISION®

for IBM i®

VIS

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Portfolio Of Leading Brands

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Thank You

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