Comments for MMM Community Blog http://blog.mysql-mmm.org Multi-Master Replication Manager for MySQL Mon, 23 Jan 2012 16:33:03 +0000 hourly 1 http://wordpress.org/?v=3.2.1 Comment on Some use-cases for MMM for MySQL by essay writing services http://blog.mysql-mmm.org/2009/08/some-use-cases-for-mmm-for-mysql/comment-page-1/#comment-127 essay writing services Mon, 23 Jan 2012 16:33:03 +0000 http://blog.mysql-mmm.org/?p=5#comment-127 What is the MMM? I have been promoting websites on the internet but I never heard about it! What is the MMM? I have been promoting websites on the internet but I never heard about it!

]]> Comment on Centralized authentication with mysql by www.hottubchoices.com http://blog.mysql-mmm.org/2009/10/centralized-authentication-with-mysql/comment-page-1/#comment-126 www.hottubchoices.com Fri, 13 Jan 2012 12:40:34 +0000 http://blog.mysql-mmm.org/?p=47#comment-126 Do not know how I get pulled into reading through all these kind of comments, but it is naturally great to learn that men and women can make them from the get go. I Really appreciate the read and carry on writing, I may get motivated to do exactly the same at some point. Do not know how I get pulled into reading through all these kind of comments, but it is naturally great to learn that men and women can make them from the get go. I Really appreciate the read and carry on writing, I may get motivated to do exactly the same at some point.

]]> Comment on MMM Nagios plugin by roni http://blog.mysql-mmm.org/2009/10/mmm-nagios-plugin/comment-page-1/#comment-125 roni Mon, 05 Dec 2011 09:33:15 +0000 http://blog.mysql-mmm.org/?p=56#comment-125 Hello i have a question about check_mm. If i start that scrip on the mmm_control Server its ok but i start that script on my nagios server whith check_nrpe comes following message:CRITICAL: Cannot Find/Execute mmm_control I hope you can me help Hello
i have a question about check_mm. If i start that scrip on the mmm_control Server its ok but i start that script on my nagios server whith check_nrpe comes following message:CRITICAL: Cannot Find/Execute mmm_control

I hope you can me help

]]> Comment on Centralized authentication with mysql by Matthew Montgomery http://blog.mysql-mmm.org/2009/10/centralized-authentication-with-mysql/comment-page-1/#comment-86 Matthew Montgomery Mon, 11 Apr 2011 18:19:56 +0000 http://blog.mysql-mmm.org/?p=47#comment-86 I have some great news. A year and half after this thread started, the first release with officially supported privilege tables stored in NDBCLUSTER engine is available! Please check it out! http://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-privilege-distribution.html I have some great news. A year and half after this thread started, the first release with officially supported privilege tables stored in NDBCLUSTER engine is available!

Please check it out!
http://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-privilege-distribution.html

]]> Comment on Some use-cases for MMM for MySQL by Brian http://blog.mysql-mmm.org/2009/08/some-use-cases-for-mmm-for-mysql/comment-page-1/#comment-76 Brian Thu, 20 Jan 2011 18:35:16 +0000 http://blog.mysql-mmm.org/?p=5#comment-76 Isn't the management mode a single point of failure? Isn’t the management mode a single point of failure?

]]> Comment on MMM Nagios plugin by Titanium Jewellery http://blog.mysql-mmm.org/2009/10/mmm-nagios-plugin/comment-page-1/#comment-71 Titanium Jewellery Thu, 06 Jan 2011 03:45:14 +0000 http://blog.mysql-mmm.org/?p=56#comment-71 I am really eager to get nagios monitoring my mmm deployment, but am running into a few snags. I have nrpe working properly and I can call check_mmm, but it always returns status ok no matter what. Any ideas? I am really eager to get nagios monitoring my mmm deployment, but am running into a few snags. I have nrpe working properly and I can call check_mmm, but it always returns status ok no matter what. Any ideas?

]]> Comment on Centralized authentication with mysql by Deb http://blog.mysql-mmm.org/2009/10/centralized-authentication-with-mysql/comment-page-1/#comment-70 Deb Tue, 04 Jan 2011 20:44:01 +0000 http://blog.mysql-mmm.org/?p=47#comment-70 @istvan good point but it is possible. Read again to see what I mean. @istvan good point but it is possible. Read again to see what I mean.

]]> Comment on MMM Nagios plugin by istvan_podor http://blog.mysql-mmm.org/2009/10/mmm-nagios-plugin/comment-page-1/#comment-35 istvan_podor Fri, 13 Aug 2010 21:15:56 +0000 http://blog.mysql-mmm.org/?p=56#comment-35 @Josh Sorry for ignoring your comment so long. I have added the changes you made and committed the code. Thanks a lot. If you have any other patches, let us know! Istvan @Josh

Sorry for ignoring your comment so long. I have added the changes you made and committed the code.

Thanks a lot. If you have any other patches, let us know!

Istvan

]]> Comment on MMM Nagios plugin by Josh http://blog.mysql-mmm.org/2009/10/mmm-nagios-plugin/comment-page-1/#comment-17 Josh Thu, 07 Jan 2010 05:29:28 +0000 http://blog.mysql-mmm.org/?p=56#comment-17 The issue for me was that the nrpe daemon, running as the nrpe user, did not have read access to the files in /etc/mysql-mmm/ . We chgrp'd them and now it works :) When the nrpe daemon runs the command and it can't access the files config files it returns an 'OK'. Maybe the code needs to be altered to not show OK if it can't read the files?? [root@mmmmonitordev01 ~]# cd /etc/mysql-mmm/ [root@mmmmonitordev01 mysql-mmm]# ls -la total 36 drwxr-xr-x 2 root root 4096 Jan 4 15:38 . drwxr-xr-x 84 root root 12288 Jan 7 14:37 .. -rw-r----- 1 root nrpe 33 Dec 21 15:13 mmm_agent.conf -rw-r----- 1 root nrpe 941 Jan 4 15:38 mmm_common.conf -rw-r----- 1 root nrpe 325 Jan 4 15:14 mmm_mon.conf -rw-r----- 1 root nrpe 1293 Dec 21 15:13 mmm_tools.conf These are the modifications we made to check_mmm #v1 ERROR Monitor message changed if ($mmm_output =~ /DAEMON IS NOT RUNNING/) { my $msg = "CRITICAL: MMM Daemon is not running"; report_error($msg, $ERRORS{'CRITICAL'}); } #v2 ERROR Monitor message changed if ($mmm_output =~ /ERROR: Can't connect to monitor daemon/) { my $msg = "CRITICAL: MMM Monitor Daemon is not running"; report_error($msg, $ERRORS{'CRITICAL'}); } #mmm2 extend if ($mmm_output =~ m/passive/i) { my $msg = "CRITICAL: MMM Monitor Daemon is in passive mode"; report_error($msg, $ERRORS{'WARNING'}); } if ($mmm_output =~ m/agent/i) { my $msg = "CRITICAL: MMM Agent Daemon is NOT running on ALL DB's in the cluster"; report_error($msg, $ERRORS{'CRITICAL'}); } The issue for me was that the nrpe daemon, running as the nrpe user, did not have read access to the files in /etc/mysql-mmm/ . We chgrp’d them and now it works :)

When the nrpe daemon runs the command and it can’t access the files config files it returns an ‘OK’. Maybe the code needs to be altered to not show OK if it can’t read the files??

[root@mmmmonitordev01 ~]# cd /etc/mysql-mmm/
[root@mmmmonitordev01 mysql-mmm]# ls -la
total 36
drwxr-xr-x 2 root root 4096 Jan 4 15:38 .
drwxr-xr-x 84 root root 12288 Jan 7 14:37 ..
-rw-r—– 1 root nrpe 33 Dec 21 15:13 mmm_agent.conf
-rw-r—– 1 root nrpe 941 Jan 4 15:38 mmm_common.conf
-rw-r—– 1 root nrpe 325 Jan 4 15:14 mmm_mon.conf
-rw-r—– 1 root nrpe 1293 Dec 21 15:13 mmm_tools.conf

These are the modifications we made to check_mmm

#v1 ERROR Monitor message changed
if ($mmm_output =~ /DAEMON IS NOT RUNNING/) {
my $msg = “CRITICAL: MMM Daemon is not running”;
report_error($msg, $ERRORS{‘CRITICAL’});
}
#v2 ERROR Monitor message changed
if ($mmm_output =~ /ERROR: Can’t connect to monitor daemon/) {
my $msg = “CRITICAL: MMM Monitor Daemon is not running”;
report_error($msg, $ERRORS{‘CRITICAL’});
}

#mmm2 extend
if ($mmm_output =~ m/passive/i) {
my $msg = “CRITICAL: MMM Monitor Daemon is in passive mode”;
report_error($msg, $ERRORS{‘WARNING’});
}

if ($mmm_output =~ m/agent/i) {
my $msg = “CRITICAL: MMM Agent Daemon is NOT running on ALL DB’s in the cluster”;
report_error($msg, $ERRORS{‘CRITICAL’});
}

]]> Comment on MMM Nagios plugin by Josh http://blog.mysql-mmm.org/2009/10/mmm-nagios-plugin/comment-page-1/#comment-16 Josh Wed, 06 Jan 2010 04:56:04 +0000 http://blog.mysql-mmm.org/?p=56#comment-16 I have the same problem, we are running mmm2. When i run the check locally i get the following; [root@mmmmonitordev01 check-mysql-all]# /usr/lib64/nagios/plugins/check-mysql-all/check_mmm CRITICAL: db1(10.68.246.71) master/HARD_OFFLINE. Roles: Then when i run it via nrpe i get; [root@monitor01 ~]# /usr/local/nagios/libexec/check_nrpe -u -n -H 10.68.246.70 -c check_mmm OK Any ideas? Running in verbose mode does not show anything unusual. I have the same problem, we are running mmm2. When i run the check locally i get the following;

[root@mmmmonitordev01 check-mysql-all]# /usr/lib64/nagios/plugins/check-mysql-all/check_mmm
CRITICAL: db1(10.68.246.71) master/HARD_OFFLINE. Roles:

Then when i run it via nrpe i get;

[root@monitor01 ~]# /usr/local/nagios/libexec/check_nrpe -u -n -H 10.68.246.70 -c check_mmm
OK

Any ideas? Running in verbose mode does not show anything unusual.

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