[Gluster-devel] RPM spec file and starting glusterd in no daemon mode

[Niels de Vos]

On Wed, Apr 29, 2015 at 12:30:20PM -0400, Kaleb S. KEITHLEY wrote:
> 
> Any reason you don't want to run it as: `glusterd --xlator-option
> *.upgrade=on -N > /dev/null 2>&1` ?

I think it would be nicer to use --log-level=/dev/null instead, or would
that not override the -N option?
 
Niels

> 
> 
> On 04/29/2015 11:56 AM, Kaushal M wrote:
> >If we were to run without `-N`, in daemon mode, yum wouldn't know when
> >glusterd actually finished the upgrade process. Yum would consider the
> >parent process returning to be the end.
> >
> >
> >
> >On Wed, Apr 29, 2015 at 9:17 PM, Raghavendra Talur <rtalur at redhat.com> wrote:
> >>Hi,
> >>
> >>As part of the yum upgrade procedure, when glusterfs-server is updated
> >>we run glusterd in no daemon mode along with upgrade option with this
> >>command.
> >>
> >>glusterd --xlator-option *.upgrade=on -N
> >>
> >>This helps us update our vol files with new defaults along with
> >>few other things.(say we added a new xlator which we want as default).
> >>
> >>Starting in no daemon mode has a problem though, we leave our stdout,
> >>stdin and stderr open. This can cause messages to be printed on the
> >>console from any of the libs that we load.
> >>
> >>We have seen this problem with librdmacm, it prints out these
> >>messages on screen
> >>
> >>librdmacm: Warning: couldn't read ABI version.
> >>librdmacm: Warning: assuming: 4
> >>librdmacm: Fatal: unable to get RDMA device list
> >>
> >>I looked through the code and did not find any real requirement
> >>to use no-daemon option(-N). Anyhow, we init logging very early
> >>in our process and don't need the stderr open.
> >>
> >>I am missing something or can we exclude -N from our spec files
> >>while performing upgrade?
> >>
> >>
> >>Thanks,
> >>Raghavendra Talur
> >>_______________________________________________
> >>Gluster-devel mailing list
> >>Gluster-devel at gluster.org
> >>http://www.gluster.org/mailman/listinfo/gluster-devel
> >_______________________________________________
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> >Gluster-devel at gluster.org
> >http://www.gluster.org/mailman/listinfo/gluster-devel
> >
> 
> -- 
> 
> Kaleb
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