Hi Andreas, Although farm guardian is only avaliable TCP at this moment, the UDP farms internally could detect the service lost of a real server through a timeout:
http://www.zenloadbalancer.com/web/index.php?page=zen-load-balancer-administration-guide#section5_2_1 The parameter is "The backend response timeout" Hope this is what you're looking for. Regards, Laura. On Mon, Apr 16, 2012 at 2:38 PM, Emilio Campos < [email protected]> wrote: > Advanced checks with farmguardian only enables with TCP profiles at the > moment. > By default a check is launched for each backend (in all farm profiles): if > it is opened destination port. > > Regards > > > 2012/4/16 Nick Furnell <[email protected]> > >> Hi Andy >> >> I am using FarmGuardian to check HTTP/SMTP backends - not sure about UDP >> (so this message may be a complete waste of time). >> >> > > Only TCP profiles > > >> My findings are documented on my site at: >> http://www.talking-it.com/category/zlb-2/farmguardian/ >> >> Thanks >> Nick >> >> >>> "Andreas M. Iwanowski" <[email protected]> 16/04/2012 10:47 >>> >> >> Hello Zen Team,**** >> >> ** ** >> >> I have a simple question.**** >> >> I’m trying to load balance three radius servers with Zen (UDP).**** >> >> Is there a way for Zen to detect whether a host is down and then take it >> out of the cluster?**** >> >> I.e. if one backend server were to fail, could Zen stop redirecting >> traffic there without manual intervention (i.e. maintenance mode).**** >> >> Kinda like farmguardian for TCP.**** >> >> ** ** >> >> It would be alright if it took Zen one “time out” on one connection >> rather than actively checking.**** >> >> ** ** >> >> -Andy**** >> >> >> Transform Medical Group (CS) Limited. >> Registered in England & Wales with Company Number: 3228476 >> Registered office: 192 Altrincham Road, Manchester M22 4RZ >> <http://www.transforminglives.co.uk> >> Transform Medical Group(CS) is registered in England and Wales, number >> 3228476. The registered office is at 192 Altrincham Road, Manchester, M22 >> 4RZ. The information contained in this electronic message and any >> attachments (the "Message") is intended for one or more specific >> individuals or entities, and may be confidential, proprietary, privileged >> or otherwise protected by law. If you are not the intended recipient, >> please notify the sender immediately, delete this Message and do not >> disclose, distribute, or copy it to any third party or otherwise use this >> Message. Electronic messages are not secure or error free and can contain >> viruses or may be delayed, and the sender is not liable for any of these >> occurrences. The sender reserves the right to monitor, record and retain >> electronic messages. >> >> >> >> ------------------------------------------------------------------------------ >> For Developers, A Lot Can Happen In A Second. >> Boundary is the first to Know...and Tell You. >> Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! >> http://p.sf.net/sfu/Boundary-d2dvs2 >> >> _______________________________________________ >> Zenloadbalancer-support mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >> > > > -- > Load balancer distribution - Open Source Project > http://www.zenloadbalancer.com > Distribution list (subscribe): > [email protected] > > > > ------------------------------------------------------------------------------ > For Developers, A Lot Can Happen In A Second. > Boundary is the first to Know...and Tell You. > Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! > http://p.sf.net/sfu/Boundary-d2dvs2 > > _______________________________________________ > Zenloadbalancer-support mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support > >
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