Christian, would you also be available for some tests *if* I find time to look into the HA specific calls? I don't have an environment yet and it would probably take me too long to set one up for a quick test. No promise thought that I can implement the support quickly, depends on what else is going on...
Rainer > -----Original Message----- > From: [email protected] [mailto:rsyslog- > [email protected]] On Behalf Of Christian Lete > Sent: Wednesday, May 25, 2011 10:10 AM > To: rsyslog-users > Subject: Re: [rsyslog] High availability on rsyslog (cluster) > > Hi, > > Thank you all for you help and suggestions, I will do some tests and > let you know how works for me. > > Regards, > > Christian > > On 24 May 2011 08:14, <[email protected]> wrote: > > One interesting twist to deal with, when a system is not active, it > probably > > still wants to send it's logs somewhere. > > > > two ways of addresssing this > > > > 1. two configs, switching between active and passive changes which > config > > you use > > > > 2. two instances, one used by the local box to send it's logs, the > other to > > receive logs from elsewhere. > > > > David Lang > > > > On Mon, 23 May 2011, [email protected] wrote: > > > >> take a look at > >> > >> http://linux-ha.org/wiki/Resource_Agents > >> > >> and > >> > >> http://www.linux-ha.org/doc/dev-guides/ra-dev-guide.html > >> > >> David Lang > >> > >> On Tue, 24 May 2011, Rainer Gerhards wrote: > >> > >>> Date: Tue, 24 May 2011 08:09:28 +0200 > >>> From: Rainer Gerhards <[email protected]> > >>> Reply-To: rsyslog-users <[email protected]> > >>> To: rsyslog-users <[email protected]> > >>> Subject: Re: [rsyslog] High availability on rsyslog (cluster) > >>> > >>> Thx -- sounds interesting and probably not too much work to do... > >>> > >>> Rainer > >>> > >>>> -----Original Message----- > >>>> From: [email protected] [mailto:rsyslog- > >>>> [email protected]] On Behalf Of [email protected] > >>>> Sent: Tuesday, May 24, 2011 8:08 AM > >>>> To: rsyslog-users > >>>> Subject: Re: [rsyslog] High availability on rsyslog (cluster) > >>>> > >>>> take a look at linux-ha > >>>> > >>>> It's a framework to manage HA (including active/active load > sharing, > >>>> quorums, etc) > >>>> > >>>> it extends the traditional init.d startup scripts to also include > a > >>>> 'status' call to tell if the service is active or not. the > framework > >>>> calls > >>>> this service periodically and if the service fails, it does a > failover. > >>>> With the correct configuration (and software), it can do sub- > second > >>>> failover. > >>>> > >>>> David Lang > >>>> > >>>> > >>>> On > >>>> Tue, 24 May 2011, Rainer Gerhards wrote: > >>>> > >>>>> David and all, > >>>>> > >>>>> are you aware of any high availability APIs that would enable > rsyslog > >>>> > >>>> to do > >>>>> > >>>>> some kind of automatic failover in a cluster environment? I have > >>>> > >>>> never > >>>>> > >>>>> specifically programmed for that and wonder if there are any > options. > >>>>> > >>>>> Rainer > >>>>> > >>>>>> -----Original Message----- > >>>>>> From: [email protected] [mailto:rsyslog- > >>>>>> [email protected]] On Behalf Of [email protected] > >>>>>> Sent: Tuesday, May 24, 2011 12:30 AM > >>>>>> To: rsyslog-users > >>>>>> Subject: Re: [rsyslog] High availability on rsyslog (cluster) > >>>>>> > >>>>>> depending on how active your logging is, you could watch the > logs > >>>> > >>>> and > >>>>>> > >>>>>> say > >>>>>> that if you don't receive any logs for 1 min (or whatever time > is > >>>>>> approprate), somthing is wrong. > >>>>>> > >>>>>> you could also generate known UDP logs to yourself and alert if > they > >>>>>> don't > >>>>>> show up. > >>>>>> > >>>>>> David Lang > >>>>>> > >>>>>> On Mon, 23 May 2011, Christian Lete wrote: > >>>>>> > >>>>>>> Hi, > >>>>>>> > >>>>>>> I have a small question, I would need to setup an rsyslog > >>>>>>> receiver/forwarder, listening on udp port, since some clients, > only > >>>>>>> support this option. I would need this service to be highly > >>>>>>> available(I don't want to have two machines and having > duplicated > >>>>>>> information), but since this udp, I can't be for sure if the > >>>> > >>>> service > >>>>>>> > >>>>>>> is running fine. What I thought is to indirectly check it, by > >>>> > >>>> having > >>>>>>> > >>>>>>> another port listening on tcp and checking the tcp service, if > the > >>>>>>> service is not running on tcp I would assume the whole system > is > >>>> > >>>> down > >>>>>>> > >>>>>>> and would failover to the other instance of the cluster, that's > the > >>>>>>> only way I could think of, do you currently have another way? > >>>>>>> > >>>>>>> > >>>>>>> thank you very much, > >>>>>>> > >>>>>>> Regards, > >>>>>>> > >>>>>>> Christian > >>>>>>> _______________________________________________ > >>>>>>> rsyslog mailing list > >>>>>>> http://lists.adiscon.net/mailman/listinfo/rsyslog > >>>>>>> http://www.rsyslog.com > >>>>>>> > >>>>>> _______________________________________________ > >>>>>> rsyslog mailing list > >>>>>> http://lists.adiscon.net/mailman/listinfo/rsyslog > >>>>>> http://www.rsyslog.com > >>>>> > >>>>> _______________________________________________ > >>>>> rsyslog mailing list > >>>>> http://lists.adiscon.net/mailman/listinfo/rsyslog > >>>>> http://www.rsyslog.com > >>>>> > >>>> _______________________________________________ > >>>> rsyslog mailing list > >>>> http://lists.adiscon.net/mailman/listinfo/rsyslog > >>>> http://www.rsyslog.com > >>> > >>> _______________________________________________ > >>> rsyslog mailing list > >>> http://lists.adiscon.net/mailman/listinfo/rsyslog > >>> http://www.rsyslog.com > >>> > >> _______________________________________________ > >> rsyslog mailing list > >> http://lists.adiscon.net/mailman/listinfo/rsyslog > >> http://www.rsyslog.com > >> > > _______________________________________________ > > rsyslog mailing list > > http://lists.adiscon.net/mailman/listinfo/rsyslog > > http://www.rsyslog.com > > > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com
