Hi,
I think MMM's proper functionality depends a lot on network interface
configuration and sometimes it behaves odd. I moved to MySQL or in my
case to MariaDB + Galera + HaProxy configuration. It's not difficult to
setup. There is no SPO as in case with monitor host in MMM, much more
robust solution. There are limitations though such as you InnoDB is the
only one being supported.
Cheers,
Igor
On 11/03/13 09:22, Manuel Arostegui wrote:
2013/3/11 Rafał Radecki <radecki.ra...@gmail.com>
Hi All.
I use:
cat /etc/redhat-release
CentOS release 6.3 (Final)
uname -a
Linux prod1.local 2.6.32-279.14.1.el6.x86_64 #1 SMP Tue Nov 6 23:43:09
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
on db host:
rpm -qa | grep mmm
mysql-mmm-2.2.1-1.el6.noarch
bmysql-mmm-agent-2.2.1-1.el6.noarch
on monitor host:
rpm -qa | grep mmm
mysql-mmm-monitor-2.2.1-1.el6.noarch
mysql-mmm-2.2.1-1.el6.noarch
mysql-mmm-tools-2.2.1-1.el6.noarch
When I make mmm_control show/checks the command executes for example
for ~15 seconds and sometimes returns no output. In logs there is no
info about problems and overall the monitor performs well. But I
cannot use mmm_control to check its status. The servers are not over
loaded. I have restarted agents and monitor but that has not resolved
the problem. When I have rebooted the monitor host first use of
mmm_control show was ok but then the problem was active again.
Any advice? Have you had any similar problems?
Hello,
Have you tried to set "debug 1" in your mmm_common.conf and start the
monitor? You might find useful output in there.
Manuel.
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