On Aug 28, 2014, Loic Dachary <[email protected]> wrote:

> Changing this behavior is not backward compatible but it is indeed more 
> intuitive. Has it been a significant inconvenience so far ?

Before I wrote the patch, it was very inconvenient: in order to stop
ceph services, I had to dig up the PIDs from ps output and then kill the
processes manually, and I had to run ceph without my monitor that
automatically restarted services that died (checking that the pid file
was absent, or that the PID it named was not a running process).

After I applied the patch in my local build, I could just forget about
the earlier problems, and none surfaced because of the creation of the
PID file.

Is this what you were asking?

> On 28/08/2014 09:35, Alexandre Oliva wrote:
>> On Jul 31, 2014, Sage Weil <[email protected]> wrote:
>> 
>>> On Thu, 31 Jul 2014, Loic Dachary wrote:
>>>> Hi Alexandre,
>>>> 
>>>> With this patch ceph-osd -f will try to create the default pid file : 
>>>> this is a non backward compatible change. Maybe there is a way for 
>>>> systemd to capture the pid of the process and store it instead of 
>>>> requiring the deamon to create the pid file ?
>> 
>>> Do we need the pid file at all when we aren't using sysinit?
>> 
>> My own monitoring scripts use it, and ceph stop use it as well.  I was
>> surprised we were not creating them in spite of an explicit command line
>> option to do so.

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist|Red Hat Brasil GNU Toolchain Engineer
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