Wiki: Troubleshooting Multicast
[quote=“Blackout, post: 58, member: 1”][url]http://fogproject.org/wiki/index.php?title=Troubleshooting_a_multicast[/url]
[code]udp-sender --file /opt/fog/log/multicast.log --ttl 1[/code]
you should see [I]broadcasting control to:[/I] and it should be the highest address of the subnet your fogserver is on
the line before that should say your fogserver ipaddress and the interface[/quote]
Question, if the output of this command shows a different interface name to the one you are using, can I assume that this would be the cause of a problem? In my case, it indicates that it is using eth1 when the only exisiting interface is eth0, and while unicasting works, multicasting doesn’t.
In my case it was a switch issue. I have a small benchmark (1 W2K3 server, 1 FOG server, 1 FOG storage node, 1 desktop, 1 laptop, 1 OvisLink switch) and everything worked fine but multicasting.
When I first tried multicasting I was receiving the “Please wait” message. I had to modify the /etc/hosts file and change the current IP (127.0.0.1)[SIZE=4][FONT=Calibri] to the actual IP address. Example: “192.168.0.77 myfogserver”[/FONT][/SIZE]
[SIZE=4][FONT=Calibri]After this modificat[/FONT][FONT=Calibri]ion, i[/FONT][/SIZE]t deployed images with intermitent stops, lasting 2 hours more unicasting.
The first switch wasn’t manageable, so I tried with another switch (also OvisLink but manageable, although I didn’t need to manage it). Now it only lasts 20 minutes and deploys at 600+ MB/min.
[quote=“adepo331, post: 1576, member: 431”]Yes!I solved the problem. It was a database issue. I had to create a new FOG user and password in MySQL, then granted it root privileges over FOG Database. So, that was it. I posted my solution in one of the threads here.[/quote]
[URL=‘http://fogproject.org/forum/threads/slow-multicast.217/’]yes that is how I solved my issue http://fogproject.org/forum/threads/slow-multicast.217/[/URL]
[quote=“DJCminuz, post: 1571, member: 494”]Dont know if you figured it out, but when you changed your fog password did you also do it on the OS as well?
I.E. sudo passwd fog[/quote]
Yes!I solved the problem. It was a database issue. I had to create a new FOG user and password in MySQL, then granted it root privileges over FOG Database. So, that was it. I posted my solution in one of the threads here.
Dont know if you figured it out, but when you changed your fog password did you also do it on the OS as well?
I.E. sudo passwd fog
I am having problem pushing multicast images to clients. When I start multicast deployment, boot clients from PXE, but will all hang at blue screen “Please Wait”. I checked my log viewer, and found error like “Failed to connect to database server, will try again in the next iteration. “
I have done all like changing Mysql password in /opt/fog/service/etc/config.php and /var/www/fog/……
I have done connect_timeout= 5000 but way out yet. I have used Ubuntu 8.04, 10.04 with FOG 0.27 and 0.32.
I could not find FOG database created in MySQL when I checked yet it prompts me for MySQL root user password twice during installation.
Can somebody help with suggestion?
I had trobles once with the file in /opt/fog/service/etc/config.php not containing the mySQL user/password.
I added the info in, restarted the service and it all began working.