Shahid Mohammed

EME Database Team Manager

July 21, 2006

Marsh 2

About Me

Many years experience in database & information management in operational environments

Currently EME Database Manager & Global Database Architecture Co-ordinator for Marsh (Insurance & Risk)

Also worked in the eCommerce, New Media and Telecoms

3

Scenario 2003

Problems• Business Continuity• Capacity

• New Projects• Business Growth

• Supportability• Maintenance

• Return On Investment

Application Servers

Database Servers+Storage

4

Scenario 2003

Batch Processes

OLTP Web

Dev/QA Data Warehouse

ENTERPRISE

4500

Sun

SunENTERPRISE

450

Ultra

ENTERPRISE

4500

Sun

Sun 2 2 0R

ENTERPRISE

Site2Site 120% 45% 15%

5% 65%

20% 0% 0%

0%Overall ROI = 19% Utilisation of £m Database assets.

Batch Processes

OLTP Web

Dev/QA Data Warehouse

ENTERPRISE

4500

Sun

SunENTERPRISE

450

Ultra

ENTERPRISE

4500

Sun

Sun 2 2 0R

ENTERPRISE

5

Scenario 2003

Factors:• Cope with growth• Respond better to Project requirements• Consolidate databases (and hence data)• Better ROI• Maintain BCP• Improve manageability

6

Scenario 2003

Possible Apps/Database Solutions:

• Buy one mega (high end) SMP server

• Buy smaller servers and create a “grid”

7

Grid Solution

Solutions:• Consolidate Storage to Network

Attached• Consolidate Application Platform

(Java)• Consolidate Database Platform (Oracle

10 RAC)

8

Grid Solution

RAC SIG 2004

Contact Vendors

Set Criteria

Trial PlanInfrastructure

Learning

Business Plan

Trials Results More Plans

PurchaseGrid 2005

Trials

9

Grid Solution

Problems• Business Continuity• Capacity

• New Projects• Business Growth

• Supportability• Maintenance

• Return On Investment

Application Servers

Database Servers+Storage

10

Grid Solution

Application Servers

Database Servers

Storage

11

Grid Solution

Application Servers

Database Servers

Storage

12

Grid Solution

Application Servers

Database Servers

Storage

Dev/QANon Essential

Failover

13

Grid Solution

Grid Solution:

• Application server grid

• Storage grid

• Site grid

• Database grid

14

Grid Solution

• Aiming for ROI > 70%

• Dynamic resource allocation

• Projects pay for capacity, not hardware

• Lower cost for capacity

• Dev/Qa more realistic

• Easier maintenance

15

Grid Solution

End