[ofa-general] opensm as service - cfg files

[Al Chu]

On Thu, 2008-10-23 at 14:53 +0200, Philippe Gregoire wrote:
> Hi Yevgeny,
> 
> Is it possible to write this service so it will be able to manage multiple instances of opensm on the same node, I mean start and stop all instances at the same time or separately.
> This will be very usefull when you have several Infiniband storage devices connected directly to one node,
> so you have to run several opensm -g guid processes on this node.
> 
> It is authorized to have a service that understand parameters like:
> service start 0x8000010232
> or 
> service start ddn12.conf

This doesn't sound like that bad of idea, although "what does the user
expect" is a concern.  My co-worker brought up the simple issue of the
log files.  Do you automatically pick a different log file to store to,
or does it store to the same log, or is it the user's responsibility to
pick a reasonable different log file name in the .conf file?  I have no
idea what other daemons/init scripts do.

Al

> Philippe Gregoire
> CEA/DAM.
> 
> Yevgeny Kliteynik a écrit :
> > Hi Sasha,
> >
> > I was just trying to put some order in my head regarding
> > the use of opensm as service, and I have couple of questions.
> > Some of them might be dumb, so please bear with me... :)
> >
> > 1. OpenSM config file.
> >    Do we still need opensm/scripts/opensm.conf?
> >    I think it's not used any more.
> >
> > 2. From opensm/scripts/opensm.init.in:
> >       @sbindir@/opensm -B $OPTIONS > /dev/null
> >    Is someone setting the $OPTIONS variable? I think it was
> >    set in the config file in the past, but not now.
> >
> > 3. From opensm/scripts/redhat-opensm.init.in:
> >      CONFIG=@sysconfdir@/sysconfig/opensm.conf
> >      if [ -f $CONFIG ]; then
> >      . $CONFIG
> >      fi
> >
> >    From opensm/scripts/opensm.init.in:
> >      if [[ -s /etc/sysconfig/opensm ]]; then
> >          . /etc/sysconfig/opensm
> >      fi
> >
> >    If it's not some naming convention, perhaps we should use
> >    opensm.conf in both cases?
> >
> > 4. Logrotate:
> >    opensm/scripts/opensm.spec.in installs logrotate file as follows:
> >       install -m 644 scripts/opensm.logrotate $etc/logrotate.d/opensm
> >    I may be off here, but should the installed file name be opensmd
> >    to match the service name?
> >
> > -- Yevgeny
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-- 
Albert Chu
chu11 at llnl.gov
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory