On Tue, Mar 16, 2010 at 08:28:53AM +0100, Jan Kasprzak wrote: > Hello, > > I have solved this problem: > > Jan Kasprzak wrote: > : I have two IPVS hosts (with heartbeat), managing about 20 virtual services > : with ~150 workers. I use ldirectord, direct routing, wrr and wlc schedulers. > : After upgrading one of the IPVS hosts to 2.6.33 (from 2.6.30), > : I am experiencing problems - the workers are being removed and > : re-added by ldirectord frequently, and sometimes even the whole > : virtual service stalls and is redirected to the fallback server. > > There were actually two problems: the first one is that > ipvsadm-1.25 from Fedora 12 reports zero active connections no matter what. > Replacing the /sbin/ipvsadm binary with 1.24 from Fedora 10 fixes the > problem.
Hi Jan, this sounds a lot like the problem that this patch fixes. http://archive.linuxvirtualserver.org/html/lvs-devel/2010-02/msg00006.html > > The other problem turned out to be a PEBKC case: I wanted > to have the new system as close to the distribution setup as possible, > so I have even left a Fedora iptables setup in place. This (the stateful > filter in particular) does not go well with IPVS direct routing. > The IPVS host has been dropping the TCP FIN packets, and the worker servers > were soon filled with connections wanting to close, but not receiving > the TCP FIN from the other side :-(. > > -Yenya > > -- > | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> | > | GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E | > | http://www.fi.muni.cz/~kas/ Journal: http://www.fi.muni.cz/~kas/blog/ | > Please don't top post and in particular don't attach entire digests to your > mail or we'll all soon be using bittorrent to read the list. --Alan Cox > > _______________________________________________ > Please read the documentation before posting - it's available at: > http://www.linuxvirtualserver.org/ > > LinuxVirtualServer.org mailing list - [email protected] > Send requests to [email protected] > or go to http://lists.graemef.net/mailman/listinfo/lvs-users _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
