[Linux-HA] MySQL OCF RA robustness

[Andreas Kurz]

On Feb 4, 2008 7:31 PM, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> Hi,
>
> On Sun, Feb 03, 2008 at 04:17:02AM +0100, Christian Rish?j wrote:
> >
> > Hi,
> >
> > Please consider the following patch for the MySQL OCF resource agent:
> >
> > --- mysql.orig        2008-02-03 03:43:45.933966300 +0100
> > +++ mysql     2008-02-03 04:09:00.706816303 +0100
> > @@ -268,6 +268,20 @@
> >          chown -R $OCF_RESKEY_user:$OCF_RESKEY_group $OCF_RESKEY_datadir
> >      fi
> >
> > +    pid_dir=`dirname $OCF_RESKEY_pid`
> > +    if [ ! -d $pid_dir ] ; then
> > +     ocf_log info "Creating PID dir: $pid_dir"
> > +     mkdir -p $pid_dir
> > +     chown $OCF_RESKEY_user:$OCF_RESKEY_group $pid_dir
> > +    fi
> > +
> > +    socket_dir=`dirname $OCF_RESKEY_socket`
> > +    if [ ! -d $socket_dir ] ; then
> > +     ocf_log info "Creating socket dir: $socket_dir"
> > +     mkdir -p $socket_dir
> > +     chown $OCF_RESKEY_user:$OCF_RESKEY_group $socket_dir
> > +    fi
> > +
> >      # Uncomment to perform permission clensing
> >      # - not convinced this should be enabled by default
> >      #
> >
> > The RA was unable to start MySQL on my Ubuntu servers because the /var/run
> > directory seemingly is purged at boot time.
>
> Strange that even directories are being purged. Anyway...

On recent Ubuntu installations the mount point /var/run is of type
tmpfs ... so everything in there is purged on reboot.

Regards,
Andreas

>
> The patch looks sane. Many thanks. Now, if you could please send
> it as an attachement I'd appreciate :)
>
> Cheers,
>
> Dejan
>
>
> > WIth best regards
> > Christian
> >
> >
> >
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