>> I just installed a ROCKS 2.21 cluster, which seemed to have ganglia 1.05 or >> something, and decided to try updating ganglia. >> >> 1. I downloaded both RPMs from the ganglia website, ran them and ganglia >> stopped working. :( When I go to http://localhost/ganglia it says: >> >> Cannot continue because of these errors: >> Invalid element in GANGLIA_DOC XML
>So the ganglia front-end is connecting to gmetad (localhost:8651) and >seeing what it thinks is malformed data. Try telnetting to 8651 on that >machine and see what data is there. I get a lovely bit of code. It seems to be working. >Also, did you install it in $HTTPD_DOCROOT/ganglia or >$HTTPD_DOCROOT/ganglia-webfrontend? You're referring to two different URLs >here. I don't know how to tell. How do I figure that one out? >You should probably be aware that there are considerable differences >between Ganglia 1.05 and Ganglia 2.5.0. In point of fact, there are >considerable differences between Ganglia 2.2.x and Ganglia 2.5.0. So it's >very possible that you've got an old front-end that's somehow broken by the > current Ganglia XML DTD. Now you tell me. :) >> 2. I followed Matt Massie's advice from a post on this mailing list he >> made on 2002-10-02. I added >> >> datasoruce "localhost" 172.20.0.1 >> >> and rebooted. Same error. >Is that a copy and paste? I hope not... Fortunately not. It's actually data_source "Home" 127.0.0.1 Long day. :) >> 2a. I couldn't find the conf.php file. I installed the php erratta from >> the Red Hat web site and rebooted - same error. However, it works fine if >> I went to http://localhost/ganglia-webfrontend/ >It should be in that very directory. Ask your web server what filesystem >point "/ganglia-webfrontend/" corresponds to and conf.php should be in >there. I just checked on my setup, I'm definitely not imagining it. How do I ask my web server that? Do I need to install the RRD tool to make this work? That would imply installing the GCC libraries that support the RRD tool as well. Thanks again, Ben Stapleton

