[Cluster-devel] cluster3 logging config

[Cluster-devel] cluster3 logging config

[David Teigland]

I have a suggestion to improve our logging config.  The format below is the
default configuration (more or less, the corosync systems aren't sending
anything to syslog, but cman.log seems full of "info"-like stuff, but it's
beside the point):

       <logging to_syslog="yes" to_logfile="yes" syslog_facility="daemon"
                syslog_priority="info" logfile_priority="info">
           <logging_subsys="qdiskd"
                    logfile="/var/log/cluster/qdisk.log"/>
           <logging_subsys="groupd"
                    logfile="/var/log/cluster/groupd.log"/>
           <logging_subsys="fenced"
                    logfile="/var/log/cluster/fenced.log"/>
           <logging_subsys="dlm_controld"
                    logfile="/var/log/cluster/dlm_controld.log"/>
           <logging_subsys="gfs_controld"
                    logfile="/var/log/cluster/gfs_controld.log"/>
           <logging_subsys="rgmanager"
                    logfile="/var/log/cluster/rgmanager.log"/>
           <logging_subsys="CLM"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="CPG"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="MAIN"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="SERV"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="CMAN"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="TOTEM"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="QUORUM"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="CONFDB"
                    logfile="/var/log/cluster/cman.log"/>
           <logging_subsys="CONFDB"
                    logfile="/var/log/cluster/cman.log"/>
       </logging>

Now, I just realized that I've missed some corosync subsystems, EVT, and CKPT
is probably one?, and maybe some others, I don't know.  The point is, to make
a change to "corosync" in general, a user has to go and list every single one
of these things, repeating the same info for each.  That's a big pain, and
definately not intuitive.  I realize it can be useful to enable debugging for
select corosync subsystems, so that should still be possible.

I suggest the following, notice the final "corosync" entry,

       <logging to_syslog="yes" to_logfile="yes" syslog_facility="daemon"
                syslog_priority="info" logfile_priority="info">
           <logging_daemon="qdiskd"
                    logfile="/var/log/cluster/qdisk.log"/>
           <logging_daemon="groupd"
                    logfile="/var/log/cluster/groupd.log"/>
           <logging_daemon="fenced"
                    logfile="/var/log/cluster/fenced.log"/>
           <logging_daemon="dlm_controld"
                    logfile="/var/log/cluster/dlm_controld.log"/>
           <logging_daemon="gfs_controld"
                    logfile="/var/log/cluster/gfs_controld.log"/>
           <logging_daemon="rgmanager"
                    logfile="/var/log/cluster/rgmanager.log"/>
           <logging_daemon="corosync"
                    logfile="/var/log/cluster/corosync.log"/>
       </logging>

the corosync entry would apply to *all* corosync subsystems by default.
We can still allow per-subsystem configuration,

           <logging_daemon="corosync" subsys="QUORUM"
                    logfile="/var/log/cluster/corosync-quorum.log"/>
           <logging_daemon="corosync" subsys="TOTEM"
                    logfile="/var/log/cluster/corosync-totem.log"/>
           ...

[Cluster-devel] cluster3 logging config

[David Teigland]

On Fri, Feb 20, 2009 at 10:00:03AM -0600, David Teigland wrote:
> I suggest the following, notice the final "corosync" entry,
> 
>        <logging to_syslog="yes" to_logfile="yes" syslog_facility="daemon"
>                 syslog_priority="info" logfile_priority="info">
>            <logging_daemon="qdiskd"
>                     logfile="/var/log/cluster/qdisk.log"/>
>            <logging_daemon="groupd"
>                     logfile="/var/log/cluster/groupd.log"/>
>            <logging_daemon="fenced"
>                     logfile="/var/log/cluster/fenced.log"/>
>            <logging_daemon="dlm_controld"
>                     logfile="/var/log/cluster/dlm_controld.log"/>
>            <logging_daemon="gfs_controld"
>                     logfile="/var/log/cluster/gfs_controld.log"/>
>            <logging_daemon="rgmanager"
>                     logfile="/var/log/cluster/rgmanager.log"/>
>            <logging_daemon="corosync"
>                     logfile="/var/log/cluster/corosync.log"/>
>        </logging>
> 
> the corosync entry would apply to *all* corosync subsystems by default.
> We can still allow per-subsystem configuration,
> 
>            <logging_daemon="corosync" subsys="QUORUM"
>                     logfile="/var/log/cluster/corosync-quorum.log"/>
>            <logging_daemon="corosync" subsys="TOTEM"
>                     logfile="/var/log/cluster/corosync-totem.log"/>
>            ...

Correcting the XML,

  <logging_daemon name="qdiskd"
           logfile="/var/log/cluster/qdisk.log"/>
  ...

  <logging_daemon name="corosync" subsys="QUORUM"
           logfile="/var/log/cluster/corosync-quorum.log"/>

[Cluster-devel] cluster3 logging config

[Fabio M. Di Nitto]

On Fri, 2009-02-20 at 10:49 -0600, David Teigland wrote:
> On Fri, Feb 20, 2009 at 10:00:03AM -0600, David Teigland wrote:
> > I suggest the following, notice the final "corosync" entry,
> > 
> >        <logging to_syslog="yes" to_logfile="yes" syslog_facility="daemon"
> >                 syslog_priority="info" logfile_priority="info">
> >            <logging_daemon="qdiskd"
> >                     logfile="/var/log/cluster/qdisk.log"/>
> >            <logging_daemon="groupd"
> >                     logfile="/var/log/cluster/groupd.log"/>
> >            <logging_daemon="fenced"
> >                     logfile="/var/log/cluster/fenced.log"/>
> >            <logging_daemon="dlm_controld"
> >                     logfile="/var/log/cluster/dlm_controld.log"/>
> >            <logging_daemon="gfs_controld"
> >                     logfile="/var/log/cluster/gfs_controld.log"/>
> >            <logging_daemon="rgmanager"
> >                     logfile="/var/log/cluster/rgmanager.log"/>
> >            <logging_daemon="corosync"
> >                     logfile="/var/log/cluster/corosync.log"/>
> >        </logging>
> > 
> > the corosync entry would apply to *all* corosync subsystems by default.
> > We can still allow per-subsystem configuration,
> > 
> >            <logging_daemon="corosync" subsys="QUORUM"
> >                     logfile="/var/log/cluster/corosync-quorum.log"/>
> >            <logging_daemon="corosync" subsys="TOTEM"
> >                     logfile="/var/log/cluster/corosync-totem.log"/>
> >            ...
> 
> Correcting the XML,
> 
>   <logging_daemon name="qdiskd"
>            logfile="/var/log/cluster/qdisk.log"/>
>   ...
> 
>   <logging_daemon name="corosync" subsys="QUORUM"
>            logfile="/var/log/cluster/corosync-quorum.log"/>

Since I haven't finished to convert logsys to our standard, I'd happy to
do this change. It sounds sane to me.

Of course this is only when we explicitly add info for the subsystem.
Otherwise we go default like we already implemented.

Fabio