The IT Disaster Recovery Plan (DRP)
provides a roadmap for response and recovery in the event of a
technology “disaster”, as defined by a sustained interruption
or failure in systems use, access or functionality. 
Documented, actionable DRP’s are essential – but how can you be sure
your plan will work when it’s time to activate? 
The
answer is simple -“test, test, and test again”.   Read on
to learn more.

When it comes to managing IT in business, a defined, actionable
and approved Disaster Recovery Plan is a must – to protect
technology assets, related data, and to ensure business continuity
should disruptive events occur.  While we all know we need a
DRP, we also hope that we never have to actually use one.  Therein lies
the rub.  Can you comfortably rely on a DRP if it remains
largely untested by actual circumstance?  Probably not. 
Proper, proactive testing is the only answer to this dilemma.

Getting Started: Planning for Testing Success

Until the disaster happens, disaster plans are largely theoretical
… “what will happen if…?”.  It’s not wise to wait until a disaster
is at hand to learn whether your plan is going to work or not. For that
reason, it is important to hold regular, realistic tests for your disaster
recovery plan.  Also Read: 
Fundamentals of IT Disaster Recovery Planning

Disaster recovery testing is the formal, planned process to test
and verify whether an adopted DRP will work if and when it is actually
needed. An executable “test plan” is the primary deliverable of the testing
process, along with the execution of the actual tests, and analysis
of related results.

Timing and Frequency

Disaster recovery plans will quickly lose value and meaning if they
are not tested on a regular basis. We know that you have to test, but
how often? It all depends on your individual needs and circumstances,
but on the whole, testing should occur with sufficient frequency to
maintain an appropriate comfort level with the relevance and applicability
of the DRP.

Timing issues will play a large role in determining test purpose
and structure. DRP tests should be conducted on a regularly scheduled
basis, depending upon the size and scope of the disaster recovery program. More
complex plans will require more frequent testing, perhaps on a quarterly
basis. DRP tests should also be scheduled whenever major technology changes
are implemented, including physical upgrades, new installations, and
related re-configurations. The key is to ensure that disaster recovery
testing is a fully integrated component of your
IT service portfolio
so that all needs and expectations can be carefully considered.

Getting Organized: Testing is a Process

To achieve desired results, DRP testing should be approached in
an organized manner, following standardized management practices so
that all issues can be addressed. As an executable process, DRP
testing must have an established purpose, with an orderly execution
of pre-defined steps, carried out by DRP “stakeholders” with
appropriately assigned roles and responsibilities. In addition, DRP
testing will also be heavily influenced by constraints, considering
available time, resources, and funding.

These are the key “test planning” questions to be considered….

1. What are the goals and objectives of the test?
2. How can those goals and objectives be met in the most efficient manner?
3. What will be tested and how will the testing activities be most effectively
   executed?
4. Who are the testing stakeholders and what are their respective roles
   and responsibilities?
5. What are the requirements and constraints of the test, considering
   time and funding?
6. How will the test results be used to manage and maintain disaster
   recovery readiness?

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Planning for Testing Productivity

There can be no doubt that effective disaster recovery planning takes
considerable time and effort. And while DRP related activities are essential
to business survival, they do little to bolster daily workplace productivity.
As such, any planning activities should be well thought out, precise
and relevant.  Along these lines, specific testing plans, intended to
verify and validate recovery strategies, should be clearly designed
with specific goals and purpose in mind. In order to maximize the investment
made in DRP testing, three (3) elements must be consistently addressed:assumptions,
scope and success criteria.

Test Assumptions:

Every test plan should be built on a foundation of defined “assumptions�?,
which sets the stage for meaningful results. Any effective statement
of test assumptions should accomplish the following:

1. To define the and related response mechanisms to be tested.
2. To provide the justifications for the scenarios and conditions to
be tested.
3. To identify test prerequisites (i.e. pre-test circumstances and/or
conditions that must be met).
4. To define test expectations (i.e. the results and benefits to be
realized from the testing process).

DRP Test Scope:

To establish and maintain relevancy, test scope must be clearly defined
and communicated. Test scope sets the parameters for the work to be completed,
identifying the exact systems and/or specific functions to be tested.
Test scope should be as precise as possible so that all parties are
fully aware of the elements being tested. Since it may not be possible
to test every plan component or scenario, exclusions and limitations
should be established before the testing process begins.

Test Success Criteria:

How will you know if your test is a success? On one level, success
can be simply defined as “the recovery plan works, and all related systems
and services functioned as expected�?. In reality, actual test success
is not always that simple. Test success is obviously achieved once the
DRP is proven valid and viable. On the other hand, success can also be
achieved even if the DRP fails to pass the test. In this respect, testing
efforts can be proven successful simply because DRP weaknesses were
exposed through a simulated event, rather than an actual disaster. Ultimately
though, success is born out of expectations, and expectations have to
be defined. When “success�? expectations are openly stated, false impressions,
blame and confusion can be avoided, and common expectations can be established. 
Along
these lines, success must be considered from all the angles:

In addition, pre-defined success criteria will facilitate the lessons
learned review process, to be conducted at the conclusion of all testing
activities. Using the established success criteria, “test” results can
be evaluated to quantify DRP performance, test effectiveness, and to
identify appropriate corrective actions.

Some final tips….

To realize all of the intended benefits, DRP testing activities
must be consistently implemented and enforced according to the
following (4) standardized goals and objectives:

• Acceptance of all identified goals, objectives, scope and specific
  tasks involved in the actual test process.
• Acceptance of all assigned stakeholder roles and responsibilities
  – establishing process “ownership”.
• Communication of all test logistics, dates and the potential impact
  on production systems.
• Analysis and integration of all test results and
  related “lessons learned”.

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