Wednesday, January 30, 2013

Policy Based Management Basics

Introduced in SQL 2008 , PBM allows you to standardise your SQL servers.

PBM is found under Management \ Policy Management in SQL Management Studio,
PBM relies on Facets (which in turn have properties), Conditions & Policies.

FacetsThese are the area of SQL we wish to control; e.g. 'Log File'
(There are lots of these, even more in SQL 2012).

PropertiesThe 'Log File' Facet has 15 properties, 'Growth' being a potentially important one.

ConditionsThe condition compares the Facet and it's property. For example we might want Log file Growth to always be set to 10%.

PoliciesThe policy itself defines the target servers and the evaluation modes.

Evaluation Modes are
  • On Demand
  • On Schedule
  • On Change Prevent
  • On Change Log Only


So to sum up, to implement a policy -

1. Create condition based on a facet

2. Create a policy
    1. Based on the named condition
    2. Set the evaluation mode
3. Enable the Policy


Simple Talk : Introduction to Policy Based Management

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