<html><head></head><body bgcolor="#FFFFFF"><div><div style="text-align: right;direction: rtl; "><br></div><div style="text-align: -webkit-auto;direction: rtl; "><br></div></div><div><div style="text-align: right;direction: rtl; "><br></div>On Jan 28, 2012, at 10:27, Deepak C Shetty <<a href="mailto:deepakcs@linux.vnet.ibm.com">deepakcs@linux.vnet.ibm.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><span>Hi ovirt users,</span><br><span></span><br><span>I was trying to check on IRC the below, did not get any replies, so sending this mail.</span><br><span>Can someone help me understand what could be the issue that causing my managed host to lose network settings, when i try to discover it from ovirt-engine ?</span><br><span>I have to then manually (using a remote console) re-setup the network.. it even overrites my ifcfg-eth0 file</span><br><span></span><br><span>I see a new bridge getting added called ovirtmgmt and route entry corr. to that.. the ifcfg-eth0 also has that entry</span><br><span>I feel that ovirt scripts running on the host should atleast take a backup of the ifcfg* files they modify so that in case of issues like these, user can login via remote console and restore the original ifcfg file.</span><br><span></span><br><span>This is what i asked on IRC... responses appreciated...</span><br><span></span><br><span>deepakcs> Hello, i just configured ovirt-engine and discovering my first managed host.. got some Qs</span><br><span><deepakcs> what diff does it make when i select "override ip tables" check box during new Host workflow ?</span><br><span>* djasa has quit (Ping timeout: 480 seconds)</span><br><span><deepakcs> this is the second time i am discovering this host and everytime the host discovery hangs during "Installing" and if i check the host, it goes out of network.... has anybody faced this problem before ?</span><br><span><deepakcs> While discovering the host, the host network ipv4 address is gone ! and thus the host goes out of network</span><br><span></span><br><span>Some more updates..</span><br><span>1) I manually re-setup the host network, made it pingable, esp from the ovirt-engine node, and clicked on Re-install on the web gui, this time with the 'override ip tables' check enabled</span><br><span>2) this time it successfully completed the node bootstrap steps (as seen from the Events window) and status was Reboot</span><br><span>3) But after reboot the same thing happened.. the host lost ipv4 addr, route entries are completely gone and onthe web gui the host is seen as non-responsive, which is expected bcos the host is not on the network anymore...</span><br><span></span><br><span>what is the reason the above is happening ?</span><br></div></blockquote><div style="text-align: right;direction: rtl; "><br></div><div style="text-align: left;direction: ltr; ">Hi, </div><div style="text-align: left;direction: ltr; "><br></div><div style="text-align: left;direction: ltr; ">First, in order to understand the reason for bootstrap failures, please attach engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log, vds_installer.log).</div><div style="text-align: left;direction: ltr; "><br></div><div style="text-align: left;direction: ltr; ">Second, what you describe regarding the loss of network could derive from the following reasons:</div><div style="text-align: left;direction: ltr; ">- host is configured with bonding - but bonding is not configured correctly.</div><div style="text-align: left;direction: ltr; ">- NetworkManager interfere with networking config.</div><div style="text-align: left;direction: ltr; ">- bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT.</div><div style="text-align: left;direction: ltr; "><br></div><div style="text-align: left;direction: ltr; ">Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/messages .</div><div style="text-align: left;direction: ltr; "><br></div><div style="text-align: left;direction: ltr; ">Haim</div><blockquote type="cite"><div><span></span><br><span>_______________________________________________</span><br><span>Users mailing list</span><br><span><a href="mailto:Users@ovirt.org">Users@ovirt.org</a></span><br><span><a href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a></span><br></div></blockquote></body></html>