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Business Continuity For busy IT people GOETEC seminar 16 th February 2012
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A bit about me David Hayling
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Kent MAN operations manager for 10 years
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– Microwave radio links(rain, trees) – ATM(LANE, clock) – BT circuits, first wavestream(spares) The BT ‘excuse book’(back breaking)
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Christ Church Infrastructure Manager – One or two interesting experiences
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Christ Church Infrastructure Manager – One or two interesting experiences flood, fire, pestilence … …
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electricity
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Business Continuity
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Why
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Things go wrong
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“In theory, theory and practice are the same. In practice, they are not.” Albert Einstein
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Things go wrong
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City University fire 2001 “ Around 300 people had to be evacuated from City University's college building in central London last night, after a fire gutted the roof and fourth floor offices. ” [guardian, Tuesday 22 May 2001]
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City University fire 2001 “ Around 300 people had to be evacuated from City University's college building in central London last night, after a fire gutted the roof and fourth floor offices. Students continued to sit their examinations today. ” [guardian, Tuesday 22 May 2001]
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Causes of outage BCS – BC in practice
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Causes of outage BCS – BC in practice
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UCISA Top Concerns
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Networking Risks
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Five golden rules of business continuity British Computer Society
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Understand the business requirements
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– Institutional DR / BC plan – Make friends with the auditor – Insurance officer – Check with fellow service providers Estates – Senior managers – Your manager
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Commit time and effort from across the business
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Internal communications is critical
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Documentation should match the organisation
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Test the plan
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Five golden rules Understand the business requirements Commit time and effort from across the business Internal communications is critical Documentation should match the organisation Test the plan
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Hardware fault BCS – BC in practice
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Hardware fault BCS – BC in practice
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Hardware fault Look at your key business systems – Network – AAA – Key services – web, mail, teaching
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Hardware fault Identify single points of failure – Risk asses – Mitigate / accept – RAID 1,5, 10, … – SAN – Virtualisation
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Hardware fault www.brentozar.com Hierarchy of Database Needs
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Hardware fault Test your backups – Can you recover the data – How long does it take Maintenance contracts – What do they cover – just break/fix – replacement Cold spares – Check you can deploy
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Human error BCS – BC in practice
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Human error BCS – BC in practice
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Human error BCS – BC in practice
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Human error Change control – Don’t change unless you know (and have written down); why, what, when, to what, who to tell, what success looks like, backout plan, test plan Working mobile phones – Normally used
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Software malfunction BCS – BC in practice
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Software malfunction BCS – BC in practice
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Software malfunction BCS – BC in practice
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Software malfunction Follow supplier’s patching plan – Do not compromise Automated tests – Test the actual service – (e.g. Nagios)
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Software malfunction Anti-virus – Keep up to date automatically – Check all vectors – Beware false positive User behaviour training – Spear phishing – Have a response – Make sure CERT contacts are up to date
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Site disaster BCS – BC in practice
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Site disaster BCS – BC in practice
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Site disaster BCS – BC in practice
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Site disaster Consult with estates – What is their plan wrt site loss Telco circuit faults are rare <5% SPF Acute & long time to recover – vs – Acute quick to recover – vs - chronic
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You’re already doing Business Continuity Just document, review, improve
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“In theory, theory and practice are the same. In practice, they are not.” Albert Einstein
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The Practice of System and Network Administration – Thomas A. Limoncelli, et al
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Links & credits UCISA, BCS, JANET(UK), Gartner Harvey Rutt & Adrian Pickering (ECS, Southampton University) Brent Ozar (www.brentozar.com) david.hayling@canterbury.ac.uk
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