<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.6000.16809" name=GENERATOR></HEAD> <BODY> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>I am not sure if I am misreading this, but it appears that the FOS can only occur at the server level, and not at the node level</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>What I am trying to configure is....</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>Active LVS Server Backup LVS</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>|</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>|</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>|-- VIP (HTTP)</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009> <FONT face=Verdana size=2>|</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009> <FONT face=Verdana size=2>|- Active HTTP</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009> <FONT face=Verdana size=2>|</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009> <FONT face=Verdana size=2>|- Backup HTTP</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>In doing so I will have two layers of redundancy. The first layer will be if the LVS server hosting the VIP's fails, it will fail over to the backup LVS server. This functionality is default for LVS. However I also require redundancy at the node level. So if the active HTTP server fails, it moves to the backup HTTP server, without initiating a failover to the Backup LVS server.</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>From what I am reading (I could be misreading) FOS occurs at the server level, and not at the node level. Basically I want all HTTP traffic to be handled by the Active HTTP server, and have the backup only take over if I choose to fail it over, or the active server fails on its own.</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009></SPAN><SPAN class=109480602-10032009></SPAN><SPAN class=109480602-10032009><FONT face=Verdana size=2>Cheers</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=109480602-10032009><FONT face=Verdana size=2>- Sean</FONT></SPAN></DIV><BR> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> <FONT face=Tahoma size=2><B>From:</B> piranha-list-bounces@redhat.com [mailto:piranha-list-bounces@redhat.com] <B>On Behalf Of </B>Edward Croft<BR><B>Sent:</B> Tuesday, 10 March 2009 3:17 AM<BR><B>To:</B> Piranha clustering/HA technology<BR><B>Subject:</B> Re: Replacing ldirectord/heartbeat with LVS/piranha/pulse<BR></FONT><BR></DIV> <DIV></DIV>If you need to use scripting with FOS then you may need the patched version that Sebastion Bonnet put out. <BR><BR><BR> <DIV class=gmail_quote>2009/3/9 Mike Kemelmakher <SPAN dir=ltr><<A href="mailto:mike@ubxess.com">mike@ubxess.com</A>></SPAN><BR> <BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"> <DIV dir=ltr>Hi Sean, <DIV><BR></DIV> <DIV>You can try to configure FOS ( fail-over service) mode which is supported by piranha as well. </DIV> <DIV><BR></DIV> <DIV>Regards, </DIV> <DIV>-Mike <BR> <DIV><BR> <DIV class=gmail_quote>2009/3/9 Sean Drill <SPAN dir=ltr><<A href="mailto:sean.drill@staff.westnet.com.au" target=_blank>sean.drill@staff.westnet.com.au</A>></SPAN><BR> <BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"> <DIV> <DIV></DIV> <DIV class=h5> <DIV> <DIV><FONT face=Verdana size=2> <DIV> <P><SPAN><FONT face=Verdana size=2>Hi there</FONT></SPAN></P> <P><SPAN><FONT face=Verdana size=2>I have been having some issues implementing a new load balancing system, and was hoping someone could over some advice.</FONT></SPAN></P> <P><FONT face=Verdana><FONT size=2>Our current configuration is configured using ldirectord. The active node hosts all the virtual servers. Each virtual server will have an active real server, and a backup real server. All the traffic will be directed to the active real server, unless that server becomes unreachable, at which point all traffic will be directed to the backup server.<SPAN> In other words, a traditional real/fallback system.</SPAN></FONT></FONT></P> <P><FONT face=Verdana><FONT size=2>I am however only able to get piranha/lvs to do load sharing. In this case as long as both servers are set to UP, then traffic will be balanced between all servers (determined by load balancing scheme and weighting.) What I am attempting to do is create a virtual server in LVS, which has two active REAL servers, however direct traffic only to one of them, unless otherwise directed or if the active member fail, then direct traffic to the backup.<SPAN> I am basically trying to replicate the ldirectord/heartbeat system with piranha/lvs/pulse.</SPAN></FONT></FONT></P> <P><FONT face=Verdana><FONT size=2><SPAN>Any directions which can be offered would be great appreciated.</SPAN></FONT></FONT></P></DIV> <DIV align=left><FONT face=Verdana, size=2>Regards,<BR>Sean<BR></FONT></DIV></FONT></DIV> <DIV><FONT face=Verdana size=2></FONT> </DIV> <DIV align=left><FONT face=Verdana, size=2>Regards,<BR>Sean<BR><FONT color=#cccccc>____________________________________</FONT><BR><BR>Sean Drill<BR><I>Network Administrator - Network Services</I><BR><A href="http://www.westnet.com.au/" target=_blank><IMG alt=Westnet hspace=0 src="cid:109480602@10032009-0FAB" align=baseline vspace=8 border=0></A><BR><B><FONT size=1>Westnet - Voted Number 1 ISP in Customer Satisfaction six years running</FONT></B><BR><BR><FONT size=1><B>Phone:</B> (08) 9218 2600 <B>Fax:</B> (08) 9218 2666<BR><FONT face=Verdana, size=2><FONT size=1><A href="http://www.westnet.com.au/" target=_blank>Westnet Home</A> | <A href="http://www.mywestnet.com.au/" target=_blank>MyWestnet</A> | <A href="http://www.westnet.com.au/contact/" target=_blank>Contact Us</A></FONT></FONT><BR><BR></FONT></FONT></DIV> <DIV> </DIV></DIV><BR></DIV></DIV>_______________________________________________<BR>Piranha-list mailing list<BR><A href="mailto:Piranha-list@redhat.com" target=_blank>Piranha-list@redhat.com</A><BR><A href="https://www.redhat.com/mailman/listinfo/piranha-list" target=_blank>https://www.redhat.com/mailman/listinfo/piranha-list</A><BR></BLOCKQUOTE></DIV><BR></DIV></DIV></DIV><BR>_______________________________________________<BR>Piranha-list mailing list<BR><A href="mailto:Piranha-list@redhat.com">Piranha-list@redhat.com</A><BR><A href="https://www.redhat.com/mailman/listinfo/piranha-list" target=_blank>https://www.redhat.com/mailman/listinfo/piranha-list</A><BR></BLOCKQUOTE></DIV><BR><BR clear=all><BR>-- <BR><BR>Life's most urgent question is: what are you doing for others?<BR><BR>-Martin Luther King Jr<BR></BODY></HTML>