DB2

Monitor DB2 with Nagios

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Description:

Set of Bash scripts to monitor DB2 database by checking different elements of this RDBM. Several criteria of the instances and databases can be analyzed with these scripts.

All scripts return Performance Data to see the evolution of the values across the time.

Current Version

Beta

Last Release Date

2014-09-20

Compatible With

  • Nagios 3.x

Owner

Andres Gomez Casanova

Website

https://angoca.github.io/monitor-db2-with-nagios/

Download URL

https://github.com/angoca/monitor-db2-with-nagios/archive/master.zip

License

Apache

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Project Notes
This set of scripts is in continuous development, thus new scripts are being developed and new ones have been planned. If you want to share your own modifications, you can share it in GitHub (Pull request). The whole documentation is on the Wiki: [https://github.com/angoca/monitor-db2-with-nagios/wiki] Example of usage, output and performance data are also availables: [https://github.com/angoca/monitor-db2-with-nagios/wiki/Scripts] For the moment, you can monitor: * Quantity of connexions, filtered by many criteria (machines, users) and showing their status. * Checks if a connection to the database can be established. * Checks the database size. Based on the Storage management utility. * Checks the HADR status, by analyzing peer status and calculating the difference between primary et standby (logs et pages) * Checks if the instance is active. * Keeps a history of last backups (full, delta, incremental) and could throw an alert if the backup is too old. * Checks the locks looking for long term lock waits, returning with process is holding the locks. * Checks the log consumption per day. Allows you identify the most expensive transaction measured by logs produced. * Log usage, that allows you identify how many primary and secondary logs are being used during the day. * Open files by the db2sysc process. * Performance of the IO Cleaners by identifying the percentage of Bad Page Cleaner Triggers (PBPDT). * Quantity of message in the db2diag.log. Useful to detect alerts that are not part of any output. * Tablespace: Use and state (normal, backup, etc.) * Utilities: Allows you to identify which utilities could impact the normal db usage. The scripts have been adapted to be used with Check_MK (The output was changed.) The project is hosted in the GitHub forge. You can improve the provided scripts, or create your own based on these scripts. If you want to contribute to the project with your own scripts, your code is welcome.
Reviews (4) Add a Review
Good Plugin
by aryv, March 31, 2022

Check_database_connection : Any idea what the -a represents on the below command which is used on the check_database_connection script . COMMAND_CONNECTABLE="db2 -a connect to ${DATABASE_NAME}"


Does not support db2 V11.1
by Prema, June 30, 2021

Hi angoka, The scripts are great, but doesn't support db2 V11.1. Is there any chance that this script can be re-written for db2 11.x ?


Thank you
by drekhkraft, April 30, 2020

Hi Angoca, Thank you for these scripts,I have a question regarding the check_log_usage plugin. when i run this ./check_log_usage -i /files/db2/db2inst1 -d db i get The transaction log utilization is OK.|'Log_qty_used'=53214;278528;1916928;0;3555328 The top for the moment has been 14086655.|'Max_used'=14086655 but when i specify the warning and critical levels to test a critical message it does not seem to work ./check_log_usage -i /files/db2/db2inst1 -d db -w 10 -c 5 Usage: check_log_usage { -i instanceHomeDirectory -d databaseName [-c][-f][-w][-K] | -h | -V } [-T][-v] Warning threshold should be less than critical threshold. Threshold should be greater than 0. Note: The test was not executed.| If you could be so kind and let know what i am missing, I would greatly appreciate it. Thanks, Karthik


Great set of tools! but it can be improved
by Setti, February 28, 2015

I found it very useful, but found some errors: in check_hadr_status, line n. 290 is wrong: COMMAND_HADR="db2pd -db wfscpd -hadr" should be: COMMAND_HADR="db2pd -db ${DATABASE_NAME} -hadr". On all plugins, you don't return the name of the database, but if you want to run many checks at the same time with check_by_ssh plugin, you will absolutley need to know which control gives which result. To do so, i modified line 360 adding ${DATABASE_NAME} before ${OUTPUT}, but i think you can find a better solution to that.


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