Alternative Multicasting Methods?

[Tom Elliott]

@arduinoAndMore the trunk development method has exactly what you’re lucking for, and much much more.

I’m normally (I think) quite rude about people asking for features that I know already exist and function. However, I understand where you all are coming from.

Please try trunk/svn/git/development.

From the Image Management page, there’s a menu item called: Multicast Image.

In there you specify a name (for session joining), the number of systems, a timeout (in minutes) and which image you want to multicast.

When you boot the systems, there’s a menu item called: Multicast Session Join. You choose that and log in with the FOG GUI user and pass, and enter the session name you created earlier.

That’s IT.

[Wayne Workman]

@Tom-Elliott @arduinoAndMore

https://wiki.fogproject.org/wiki/index.php/Upgrade_to_trunk

That’s the link.

[arduinoAndMore]

Thanks for the replies. I neglected to mention this is my first real deployment with FOG, so I’m still getting to know it. The reason I asked about this feature was because I wanted to make sure it was an error on my part during setup or configuration.

I was virtually unaware of the trunk version, (I’m new like I said) so that will definitely be a good thing to look at.

Thanks for your help!

[zacksiga]

Hi, currently I have svn 4451, I think I tried that new feature and it didn’t work at all, I am aware that svn have bugs, is there anyway we can solve my problems. For starter when I create the session it shows up, then when go to login or join session on the first machine it give me and error and destroy the session in all, I know because second I tried join session says their no session name exists. Same with multicast when I try to multicast a group it doesn’t work at all. I did change the FOG_UDPCAST_MAXWAIT to 15 min hoping that it will solve the problem, if any machine was hanging or they got delayed to boot. that didn’t solve it. My current setup is install in Vmware Hypervisor 6 virtual machine running fedora 22. All my switches are multicast enable and I ran throw troubleshooting a multicast guide and I was able to successfully run throw the whole guide. I can’t find exact location for config.php file. I checked the /opt/fog/services/etc and /var/www/fog/commons and none of these location have the file. Please help me find a solution to my problem.

[Wayne Workman]

@zacksiga look at this, bear in mind it’s a very rough work in progress: https://wiki.fogproject.org/wiki/index.php/Troubleshoot_Downloading_-_Multicast

[Tom Elliott]

@zacksiga Check that the interface setting for the image’s relevant storage node master is set to the actual interface name of that system. If not, change it and restart the FOGMulticastManager service.

[zacksiga]

Interface setting is set to eth0, which right because there only one network port in the virtual machine and also uni cast images work

[zacksiga]

@Wayne-Workman So I tried your method, and it doesn’t seem to work.

[Wayne Workman]

@zacksiga Tom was on the right path, Fedora 21 and Fedora 22 do not use simple interface names like eth0.

for instance, at home my Fedora 21 Server build uses enp2s0. My Fedora 22 build in my living room uses the same (same model of PC). My Fedora 21 server build at work in Hyper-V however is eth0.

Run this and provide the output please so we can be sure - then we can move forward:

ip link show

[zacksiga]

@Wayne-Workman here the output you requested

[Wayne Workman]

@zacksiga So according to that output, your interface name is ens32

You should set this as the interface name in your storage node settings and then try to multicast again.

[zacksiga]

@Developers, @Tom Elliott, @Wayne-Workman . Funny thing is that when you created a session it only last for 10 sec or so , and disappear, same thing with multicast when you do it with a group, it shows up in active multicast for 10 sec and disappear like it was never multicast session to being with .

[Wayne Workman]

@zacksiga Well, after you set the interface name inside of the storage node settings, you hae to restart the FOGMulticastManager.

Apologies for not including this earlier.

[zacksiga]

@Wayne-Workman Thank you very much that was my the big problem, soon as I changed the interface everything seem to work. Couple of area of concern for the new svn, compare to the last svn

[Wayne Workman]

@zacksiga said:

Couple of area of concern for the new svn, compare to the last svn

?? I don’t see any issues, could you be more specific? thanks for the photos though.

Also - All the props and thanks should go to @Tom-Elliott he knew exactly what the issue was, I was just a milder sounding-board.

[Tom Elliott]

@zacksiga I don’t follow what the problem is.

The “black and blue screen” you see there is because the system can’t use the “vesafb” method.

[zacksiga]

@Wayne-Workman I have another machine that has Ubuntu 12.04 that has multicast issues, for the interface it has eth0 and ip link shows

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000
link/ether 00:1e:c9:d7:2f:d2 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000
link/ether 00:1e:c9:d7:2f:d2 brd ff:ff:ff:ff:ff:ff
4: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 00:1e:c9:d7:2f:d2 brd ff:ff:ff:ff:ff:ff

what are your thoughts, I tried using load balancing feature, but I don’t think its working

[zacksiga]

@Tom-Elliott
The menu used to show up with the fog logo and everything before we update the svn.

[Wayne Workman]

@zacksiga try the bond0 interface.

[Tom Elliott]

@zacksiga This is now fixed. Apparently when I updated one time, the console.h file didn’t transfer over properly. It isn’t even seen on SVN history for whatever reason. I have now fixed this. The background image should display properly as it used to.