Re: [ovirt-users] hosted engine vm network access

(Ccing users list) ----- Original Message ----- > From: "mike" <mike(a)inguera.com&gt; > To: "Yedidyah Bar David" <didi(a)redhat.com&gt; > Sent: Thursday, May 7, 2015 4:16:54 AM > Subject: Re: hosted engine vm network access > > Hello > > > Thank you for your answers. > > i tried everything from the beginning with the same probleme, i can ping > my Centos7 Server but i cannot not have internet access neither to my GW > on the created vm by hosted-engine --deploy. i can ONLY ping my centos 7 > server > > > I have one Centos7 server installed and updated > > 1 NIC eth0 at 192.168.42.114/24 But you wrote below that you have also eth1 ?

> i installed the ovirt repo > > i run hosted-engine, follow the questions, i set bridge at eth0 and set > the FQDN of the vm at hevm.lab.lan (which is present in the /etc/hosts > file of my Centos7 server with ip 192.168.42.116) > > i can see on my Centos7 Server that i have a new interface named > ovirtmgmgt with the the ip previously set for eth0 and now eth0 has no > ip address but i can still ssh to my centos7 serverthrough ovirtmgmt > interface i presume... Indeed - this is a normal linux bridge > > here is my bridge conf of my centos7 server > > #brctl show > bridge name bridge id STP enabled interfaces > ;vdsmdummy; 8000.000000000000 no > ovirtmgmt 8000.000c29de8495 no eth0 > > > > Once my VM is created (hevm.lab.lan), i connect to it again through vnc > and i set an ip address manualy like: > # ifconfig eth0 192.168.42.116/24 > # route add default gw 192.168.42.254 > > > to resume, i can only ping my centos7 server and no other host on the > same subnet and no internet access. I assume you can only ping the address of the ovirtmgmt bridge (192.168.42.114).

Can you ping the address of eth1?

> > i hope i explained my problemin a maner that you could help me. Still not enough details. Where are eth0 and eth1 connected?

Please provide the details I asked for below. Thanks! Best regards, > > sorry for my english > > > thank you for the help. > > > > > > > > > > > > > > > > > On 05/06/2015 07:37 AM, Yedidyah Bar David wrote: >> ----- Original Message ----- >>> From: "mike" <mike(a)inguera.com&gt; >>> To: sbonazzo(a)redhat.com >>> Cc: didi(a)redhat.com >>> Sent: Tuesday, May 5, 2015 7:29:48 PM >>> Subject: hosted engine vm network access >>> >>> Hie. >>> >>> i've been asked to email you instead of asking on the #ovirt channel. >> That's fine, but usually in such cases people are supposed/advised to >> email users(a)ovirt.org, Ccing specific people if needed/relevant :-) >> >>> i have followed this instructions: >>> http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/ >>> >>> the only differences are the IP addresse/mapping names of the begining >>> >>> _once i have installed the hosted engine through hosted-engine --deploy, >>> i connect to it using vnc but i cannot have internet access to install >>> the engine from ovirt repo neither ping my Main host_ >>> >>> i have: >>> >>> 192.168.42.116 virt1 virt1.lab.lan nfsmount nfsmount.lab.lan >>> 192.168.42.117 hevm hevm.lab.lan # this is the ip i would like >>> to set for the hosted engine VM >> You mean, you have this in /etc/hosts of all relevant machines? >> >>> on my Main Host cento7, i have >>> >>> eth1-> 192.168.42.116 (managment NIC for ssh access and nfs server) >>> eth0-> with nothing >>> ovirtmgmt-> 192.168.42.114 >> Which includes eth0? What's the output of 'brctl show'? >> >> Are eth0 and eth1 on the same switch/segment? >> >> What's the subnet of each? >> >>> bond0-> with nothing >> That's normal >> >>> can you please help me? >> What do you have on the engine VM? >> >> Can you ssh to the engine from the host? Or the other direction? >> >> Please check both addresses of the host. >> >> I am not sure, but for the engine VM to access 192.168.42.116, you might >> need to add some routing somewhere. >> >> I'd say this isn't related to hosted-engine, but some general networking >> issue. If you fail to diagnose this at this point, you can try to simply >> boot some live cd in a VM (e.g. using virt-install or even qemu directly) >> and debug from there. Once you have it working, start hosted-engine again. >> >> Please check (or post, if you want us to help) all relevant information, >> including the above, and also things such as: >> >> Routing table of host/vm, and of all relevant routers >> >> Do you use dhcp? Does it work? On host/engine? >> >> Did you enable ip forwarding on the host (cat >> /proc/sys/net/ipv4/ip_forward)? >> >> After you try ssh/ping, arp table on host/engine (arp -an) >> >> Check iptables config/logs >> >> Etc. >> >> Good luck. >> >> If you fail to solve this yourself, please Cc users@ with your reply. >> >> Thanks! >> >> Best, >