Friday May 30, 2014

Notifications for Expiring DBSNMP Passwords

Most user accounts these days have a password profile on them that automatically expires the password after a set number of days.   Depending on your company’s security requirements, this may be as little as 30 days or as long as 365 days, although typically it falls between 60-90 days. For a normal user, this can cause a small interruption in your day as you have to go get your password reset by an admin. When this happens to privileged accounts, such as the DBSNMP account that is responsible for monitoring database availability, it can cause bigger problems.

In Oracle Enterprise Manager 12c you may notice the error message “ORA-28002: the password will expire within 5 days” when you connect to a target, or worse you may get “ORA-28001: the password has expired".  If you wait too long, your monitoring will fail because the password is locked out. Wouldn’t it be nice if we could get an alert 10 days before our DBSNMP password expired? Thanks to Oracle Enterprise Manager12c Metric Extensions (ME), you can! See the Oracle Enterprise Manager Cloud Control Administrator’s Guide for more information on Metric Extensions.

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Monday Apr 21, 2014

Leveraging Target Properties to Enhance Enterprise Manager Capabilities

Do you still maintain a spreadsheet with Database or Server contact or business unit ownership?  In Oracle Enterprise Manager 12c (EM) Target Properties allow you to store descriptive target information, such as Contact or Location, which can then be used in dynamic/administration group definition, reports, incident rules and notifications.   This blog will show you how you can better leverage the features of EM to store your configuration data and utilize it to the fullest extent. 

The out-of-the-box target properties include: 

  • Contact
  • Cost Center
  • Customer Support Identifier
  • Department
  • Life Cycle Status (Development, Test, Staging, Mission Critical, Production)
  • Line of Business
  • Location
  • Operating System – populated by collected configuration data
  • Platform Target Type – populated by collected configuration data
  • Target Version – populated by collected configuration data

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Wednesday Mar 27, 2013

Using Advanced Notifications in Oracle Enterprise Manager 12c

When using an enterprise monitoring tool such as Oracle Enterprise Manager 12c, one of the most critical components is notification. Once an alert or issue has been identified, how do you tell the right people at the right time? Most enterprises use e-mail or open a trouble ticket. As you can imagine, no two enterprises are the same when it comes to their tools and processes. Many customers use one of the more common and well known trouble ticketing systems but quite a few use non-standard or custom (homegrown) trouble ticketing systems. Some customers have special routing requirements or corporate standards and have custom applications which handle all emailing functions instead of directly emailing using an SMTP server.

Oracle Enterprise Manager 12c can handle all of these situations by utilizing one of the various notification methods provided: E-mail, 3rd party connectors and advanced notification methods. There are three types of advanced notifications: SNMP, OS Command or PL/SQL. This blog will introduce you to the OS Command and PL/SQL notification methods available in EM 12c and provide an example of using a custom OS script for notifications.

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