pxc xinetd issues with debian my.cnf location

Bug #1276076 reported by Thomas C. on 2014-02-04
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Percona XtraDB Cluster
Status tracked in 5.6

Bug Description

I upgraded today to pxc 5.6 GA, from the RC version on Debian.
It brought down my haproxy front-end as there seem to be a change in the clustercheck script.

I ran the script in debug, and ended up having the mysql command like this :
mysql --defaults-extra-file=/etc/my.cnf -nNE --connect-timeout=10 --user=USER --password=PASS -e 'SHOW STATUS LIKE '\''wsrep_local_state'\'';'

My systems being debian, /etc/my.cnf was nowhere to be found, as it is in /etc/mysql/my.cnf

I see a new xinetd file, that has some more options than previously, ie server_args where I can specify the user/pass -and- the location of the my.cnf.

This was not set as it was previously not required.

I don't know if this is something that has to be changed before packaging, or if some kind of distro check script is needed ?

- configure server__args or,
- ln -s /etc/mysql/my.cnf /etc/my.cnf


Thank you for reporting this issue.

Yes, with recent changes in clustercheck and mysqlchk xinetd
config, the sixth parameter passed in server_args is mandatory if
/etc/my.cnf doesn't exist.

So, as you have mentioned, either pass cnf file as sixth
parameter of clustercheck in server_args or link cnf file to


 I will also document this in errata.

Thanks again!

Thomas C. (mick27-t) wrote :

Additionally, I find bit a bit of a constrain to have to either fill no extra args, or all of them.

I don't care about logging clustercheck for example, but since I have to enter an alternate my.cnf I have to fill all the fields.

i don't know if that can be taken care of here, but having -config / -log, etc arguments would be nice.

Thomas C. (mick27-t) wrote :

hell if I am pointed wher eto, I am sure I can do it

Symlinking is the simplest workaround, however, for the logging you can for instance use /dev/null as the destination. For others (except user/pass) you can provide the default values.

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