Hi, I also thought that maybe, it would be possible to return some timestamp or some string once given a test string is sent to the port?
Cheers, Christian On 25 May 2011 19:22, <[email protected]> wrote: > I have many HA environments available for testing > > What I am doing right now is to just run rsyslog normally on each system and > move the IP address, but it would be nice to have service checking. > > David Lang > > On Wed, 25 May 2011, Rainer Gerhards wrote: > >> Date: Wed, 25 May 2011 10:12:37 +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) >> >> 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 > > _______________________________________________ > 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
