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DS3.4 - IT Resources Availability

This topic is intended to enable collaboration and sharing of information to facilitate a better understanding and approach to implementing this COBIT control objective based on the risk, value and guidance provided by its corresponding control practices.

COBIT Control Objective DS3.4 - IT Resources Availability is contained within Process Popup Manage Performance and Capacity.

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IT Resources Availability

Provide the required capacity and performance, taking into account aspects such as normal workloads, contingencies, storage requirements and IT resource life cycles. Provisions such as prioritising tasks, fault-tolerance mechanisms and resource allocation practices should be made. Management should ensure that contingency plans properly address availability, capacity and performance of individual IT resources.

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Value Drivers

  • Effective IT resource utilisation
  • Service levels meeting the business requirements
  • Effective IT resource availability management
  Risk Drivers
  • System unavailability due to failing IT resources
  • Inability to predict availability and serviceability of IT services
  • Unexpected outages of IT services

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  1. Obtain guidance from vendor product manuals to ensure an appropriate level of performance availability for peak processing and workloads.
  2. Identify performance and capacity gaps based on monitoring current and forecasted performance. Use the known availability, continuity and recovery specifications (AI2) to classify IT resources and allow prioritisation.
  3. Define corrective actions, e.g., shifting workload, prioritising tasks or adding system (or other) resources, when performance and capacity issues are identified.
  4. Integrate required corrective actions into the capacity plan, and feed them into the appropriate planning processes (information architecture and technological direction) and change management process.
  5. Define an escalation procedure for swift resolution in case of emergency capacity and performance problems.

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16 Mar 2015
ISACA International Event
Orlando, FL, USA
1 Aug 2016
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4 Jun 2018
ISACA International Event
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Journal Articles: 69 total

Volume 3, 2107
by Jayakumar Sundaram, CISA, ISO 27001 LA
The SoA is a continuously updated and controlled document that provides an overview of information security implementation.
Volume 1, 2018
by Steven J. Ross, CISA, CISSP, MBCP
Managing availability in a multi-modal environment requires a great deal of attention to details, which are being defined by the multi-modal pioneers of our day.
Volume 1, 2018
by Adeniyi Akanni, Ph. D., CISA, CRISC, ITIL
This article describes a six-stage cycle of implementing big data in commercial banks, points out the major challenges in implementation and provides a suggested solution.
Volume 5, 2017
by Filip Caron, Ph.D.
Blockchain technology, commonly expected to drive the next wave of digital infrastructure and process innovation, is rapidly developing into maturity.
Volume 4, 2017
by Rassoul Ghaznavi-Zadeh, CISM, COBIT Foundation, SABSA, TOGAF
Traditionally, security architecture consists of some preventive, detective and corrective controls that are implemented to protect the enterprise infrastructure and applications.
Volume 4, 2017
by Mathew Nicho, Ph.D., CEH, CIS, ITIL Foundation, RWSP, SAP, Shafaq Khan, Ph.D., CIS, PMBOK, PMP, SAP, and Ram Mohan, CRISC, CISM, CGEIT, ISO 27001, ITIL Foundation
A key issue often cited by information systems (IS) executives in the last three decades is aligning IT with business, which assists in realizing value from IT investments.

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Blog Posts: 18 total

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28 Sep 2017
Recently, I witnessed an interesting webcast by Scopism, an UK-based consulting and training company. They announced the publication of the SIAM(c) Foundation Body of Knowledge, available for free through their website www.scopism.com. Service Integration...
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