WHAT IS META DATA?WHAT IS META DATA?

META DATA is defined as data about dataMETA DATA is defined as data about data

that means METADATA is data.that means METADATA is data.

METADATA can be stored and managed in aMETADATA can be stored and managed in a

database called as REPOSITORY.database called as REPOSITORY.

DATABASE MANAGEMENTDATABASE MANAGEMENT

Each RELATIONAL DATABASE SYSTEM has itsEach RELATIONAL DATABASE SYSTEM has itsown mechanisms for storing meta data.own mechanisms for storing meta data.

Example of relational database metadataExample of relational database metadatainclude:include:

1.1. Tables of all tables in a database,their names,sizes and Tables of all tables in a database,their names,sizes and no of rows in each table.no of rows in each table.

2.2. Tables of columns in each database,what tables Tables of columns in each database,what tables they are used in and type of data stored in eachthey are used in and type of data stored in each columncolumn

WHAT IS DATA CENTER ?WHAT IS DATA CENTER ? A A data centerdata center is a facility used to house computer is a facility used to house computer

systems and associated components, such as systems and associated components, such as telecommunications and storage systems. telecommunications and storage systems.

It generally includes :It generally includes : redundant or backup power supplies, redundant or backup power supplies, redundant data communications connections, redundant data communications connections, environmental controls (e.g., air conditioningenvironmental controls (e.g., air conditioning

fire suppression) and fire suppression) and security devices.security devices.

PHYSICAL LAYOUTPHYSICAL LAYOUT

A typical server rack,commonly seen in colocation.A typical server rack,commonly seen in colocation.

A bank of batteries in a large data center, used to provide A bank of batteries in a large data center, used to provide power until diesel generators can startpower until diesel generators can start

HISTORY OF HISTORY OF DATA DATA

CENTERCENTER

PURPOSE OF DATA CENTERPURPOSE OF DATA CENTER The main purpose of a data center is running the applications that handle The main purpose of a data center is running the applications that handle

the core business and operational data of the organization.the core business and operational data of the organization.

Common components of such applications are:Common components of such applications are: databases databases file servers file servers application servers application servers middleware middleware

and various others.and various others.

NETWORK INFRASTRUCTURENETWORK INFRASTRUCTURE

An example of "rack mounted" servers.An example of "rack mounted" servers.

INTRODUCTION TO AADCINTRODUCTION TO AADC

The Australian Antarctica Data Center wasThe Australian Antarctica Data Center was

established in 1995 as a repository for scientific data resulting from the established in 1995 as a repository for scientific data resulting from the Australian Antarctic Science Program.Australian Antarctic Science Program.

All data within the AADC is discoverable and All data within the AADC is discoverable and

described through the META DATA SYSTEM.described through the META DATA SYSTEM.

HOW DATA IS SUBMITTED TO HOW DATA IS SUBMITTED TO THE DATA CENTER?THE DATA CENTER?

Data can be submitted Data can be submitted online using aonline using astandard proforma standard proforma that can be downloadedthat can be downloadedfrom this site.from this site.

WEBSITE: WEBSITE: http://www.aad.gov.au/ http://www.aad.gov.au/ MAP OF THE

SITES

DESCRIPTIONDESCRIPTION

Data submitted to the sea ice database needsData submitted to the sea ice database needs

to be in correct format.to be in correct format.

In order for the submitted data to be ingestedIn order for the submitted data to be ingested

into the database in an automated fashion,theinto the database in an automated fashion,the

data needs to be input into a sea ice data data needs to be input into a sea ice data

template.template.

DESCRIPTIONDESCRIPTION

The template is in EXCEL format.The template is in EXCEL format.

User that do not own User that do not own a copy of MS OFFICEa copy of MS OFFICEcan use OpenOffice can use OpenOffice as an alternative to as an alternative to open and edit the open and edit the template.template.

DOWNLOAD THE TEMPLATE

How the heat generated in the DATA How the heat generated in the DATA CENTER can be cooled?CENTER can be cooled?

The majority of DATA CENTER are cooledThe majority of DATA CENTER are cooledto approximately 72 degree Fahrenheit.to approximately 72 degree Fahrenheit.

But both data centre provider and But both data centre provider and manufacturers such HP,IBM and SUN manufacturers such HP,IBM and SUN MICROS SYSTEMS state that server MICROS SYSTEMS state that server equipment will function perfectly at equipment will function perfectly at 80 degrees80 degrees

CURRENT TECHNOLOGYCURRENT TECHNOLOGY

We are forced to use AC units and massive We are forced to use AC units and massive cooling centres to keep all the servers at cooling centres to keep all the servers at around 70 degrees.around 70 degrees.

Hot air is pumped out of the DATA CENTERHot air is pumped out of the DATA CENTERand excess heat is used to power office buildingsand excess heat is used to power office buildingsand heat up pools in surrounding areas.and heat up pools in surrounding areas.

““THIS IS A GOOD STEP AND RECYCLING IS THIS IS A GOOD STEP AND RECYCLING IS ALWAYS IDEAL”ALWAYS IDEAL”

DATA CENTER USED TO HEAT DATA CENTER USED TO HEAT SWIMMING POOLSWIMMING POOL

A Data Centre in ZURICH is doing just that ,A Data Centre in ZURICH is doing just that ,

when heat from a data centre built in awhen heat from a data centre built in a

bunker is collected and transferred tobunker is collected and transferred to

the nearby pool as part of an innovative the nearby pool as part of an innovative

energy efficiency project undertaken by GIB-energy efficiency project undertaken by GIB-

services,a swiss IT co-location company.services,a swiss IT co-location company.

PUBLICATIONS/REFERENCESPUBLICATIONS/REFERENCES

Van Ommen,T.D and V.Morgan(2010)Van Ommen,T.D and V.Morgan(2010)

snowfall increase in Coastal East Antarcticasnowfall increase in Coastal East Antarctica

linked with Southwest Western Australian linked with Southwest Western Australian

drought ,Nature Geoscience, Advance Online drought ,Nature Geoscience, Advance Online

Publication.Publication.

THANKTHANKYOUYOU