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Re: [Xen-users] two bridges with xen 3.2.0
Hi,
sorry to bother you again :(
going through the logs, i just realised one thing:
*********
Feb 20 19:06:22 x01glus01 kernel: PM: Adding info for xen-backend:vif-1-0
Feb 20 19:06:22 x01glus01 kernel: PM: Adding info for xen-backend:vif-1-1
Feb 20 19:08:03 x01glus01 kernel: PM: Removing info for xen-backend:vif-1-0
Feb 20 19:08:03 x01glus01 kernel: PM: Removing info for xen-backend:vif-1-1
*********
so.. it looks like it actually sets the vif interfaces when the virtual
machine runs, but after a while, xen removes this bridge, so the virtual
machine ends up crashing.
nothing else is logged.
That doesn't seem so normal to me :(
thanks.
En/na Jordi Moles ha escrit:
hi,
i keep trying until you guys find what the problem is....
i read somewhere that instead of
"vif = [ 'bridge=eth0' , 'bridge=eth1' ]"
i should use something like
"vif0 = [ 'bridge=eth0' , 'bridge=eth1' ]"
the thing is that ifconfig only shows this:
*********
eth0 Link encap:Ethernet HWaddr 00:30:48:7E:9D:8E
inet addr:192.168.1.200 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::230:48ff:fe7e:9d8e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:779 errors:0 dropped:0 overruns:0 frame:0
TX packets:501 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:60508 (59.0 KiB) TX bytes:66287 (64.7 KiB)
eth1 Link encap:Ethernet HWaddr 00:30:48:7E:9D:8F
inet addr:192.168.2.200 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::230:48ff:fe7e:9d8f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:468 (468.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
peth0 Link encap:Ethernet HWaddr 00:30:48:7E:9D:8E
inet6 addr: fe80::230:48ff:fe7e:9d8e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:991 errors:0 dropped:0 overruns:0 frame:0
TX packets:607 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:94602 (92.3 KiB) TX bytes:77779 (75.9 KiB)
Base address:0x2000 Memory:d8020000-d8040000
peth1 Link encap:Ethernet HWaddr 00:30:48:7E:9D:8F
inet6 addr: fe80::230:48ff:fe7e:9d8f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:882 (882.0 b)
Base address:0x2020 Memory:d8060000-d8080000
*********
I've tried all the possible ways to get the vifx.x i used to get in
older releases. have they also changed? we don't get vifxx devices
anymore?
anyway... if try to replace vif with vif0, in the virtual machine, it
actually runs, but gets stuck here:
********
XENBUS: Device with no driver: device/console/0
BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
EDD information not available.
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT2-fs warning (device sda1): ext2_fill_super: mounting ext3
filesystem as ext2
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 176k freed
Adding 4194296k swap on /dev/sda2. Priority:-1 extents:1 across:4194296k
device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised:
dm-devel@xxxxxxxxxx
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
*********
I guess this is the normal behaviour, because vif0 doesn't exist at
all... isn't it?
Thanks.
En/na Jordi Moles Blanco ha escrit:
Hi,
the answer is ... the same!!
with all the 3.0 and 3.1 releases i've always used the bridge this way,
without any ip address at all.
anyway... i've also tried to set the ip address before i perform de "xm
create", just in case this had also changed, but it doesn't work either.
i just used your line and put the correct ip addresses in my case, but
it just doesn't work.
i'm using debian etch. i've tried in a couple of servers, just to check
if there was some particular problem with that machine, but found
nothing. I've used etch to run xen 3.1.x releases for quite a while now,
i don't see why it's not working now.
i'm also using mdadm to build a raid-1 array for xen, to make sure that
the virtual machines are always up. I don't think it has something to do
whit it... but i prefer to give all the details so that you can say what
it's wrong with my sytem.
thank you.
El dc 20 de 02 del 2008 a les 18:34 +0000, en/na Gareth Bult va
escriure:
Urm,
I've never tried "not" giving it an IP/MAC in the vif= .. what
happens if you add them as per my example?
----- Original Message -----
step 3.: "Jordi Moles" <jordi@xxxxxxxxx>
To: "Gareth Bult" <gareth@xxxxxxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Sent: 20 February 2008 18:11:16 o'clock (GMT) Europe/London
Subject: Re: [Xen-users] two bridges with xen 3.2.0
Hi, i tried something new....
i read somewhere that the problem now was that i had not installed
hotplug on my debian.
i did this:
********
# apt-get install hotplug
S'està llegint la llista de paquets... Fet
S'està construint l'arbre de dependÃncies... Fet
Paquets suggerits:
ifrename
S'ELIMINARAN els segÃents paquets:
initramfs-tools udev
S'instalÂlaran els segÃents paquets NOUS:
hotplug
0 actualitzats, 1 nous a instalÂlar, 2 a eliminar i 0 no actualitzats.
Es necessita obtenir 67,3kB d'arxius.
DesprÃs de desempaquetar s'alliberaran 971kB d'espai en disc.
Voleu continuar [S/n]?
Des:1 http://ftp.rediris.es etch/main hotplug 0.0.20040329-26 [67,3kB]
67,3kB descarregats en 1s (48,9kB/s)
S'estan preconfigurant els paquets...
(S'està llegint la base de dades ... hi ha 31229 fitxers i
directoris instalÂlats actualment.)
S'està desinstalÂlant initramfs-tools ...
S'està desinstalÂlant udev ...
**************************************************************
* Please reboot your system as soon as possible!
* After removing udev the system may not be fully functional.
**************************************************************
S'està seleccionant el paquet hotplug prÃviament no seleccionat.
(S'està llegint la base de dades ... hi ha 31093 fitxers i
directoris instalÂlats actualment.)
S'està desempaquetant hotplug (de
.../hotplug_0.0.20040329-26_all.deb) ...
S'està configurant hotplug (0.0.20040329-26) ...
x01glus01:/etc/udev/rules.d#
********
The thing is that it removed 2 different paquets, "initramfs-tools"
and "udev", which i don't if xen needs.
anyway... after that, i keep getting the same error;
**********
Error: Device 0 (vif) could not be connected. Hotplug scripts not
working.
**********
any idea?
En/na Jordi Moles ha escrit:
Hi guys,
let's see...
i've got my own script for bridges:
*******
#!/bin/sh
XENDIR="/etc/xen/scripts"
$XENDIR/network-bridge "$@" netdev=eth0 bridge=eth0 vifnum=0
$XENDIR/network-bridge "$@" netdev=eth1 bridge=eth1 vifnum=1
*******
this is my interfaces file
*********
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.200
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.231
auto eth1
iface eth1 inet static
address 192.168.2.200
netmask 255.255.255.0
*********
and virtual machines have this in their conf files:
************
vif = [ 'bridge=eth0', 'bridge=eth1' ]
************
so....
when i try to create the machine... i get this:
**********
Error: Device 0 (vif) could not be connected. Hotplug scripts not
working.
**********
Any idea?
Thank you.
En/na Gareth Bult ha escrit:
Ok,
/etc/network/interfaces - as you like it, don't change it for xen
.. and xen won't change it.
Here's my config;
(xend-tcp-xmlrpc-server no)
(xend-unix-xmlrpc-server yes)
(xend-api-server ((unix)))
(xend-relocation-server yes)
(xend-relocation-port 8002)
(xend-relocation-address '<my private ip>')
(xend-relocation-hosts-allow '')
(network-script my-network-bridge)
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 0)
(vncpasswd '')
(xend-http-server yes)
(xend-port 8000)
(xend-address '<my private ip>')
(xend-unix-server yes)
(xend-unix-path /var/lib/xend/xend-socket)
Note; I called my script; "my-network-bridge", everything else is
"default".
hth
----- Original Message -----
step 3.: "Jordi Moles" <jordi@xxxxxxxxx>
To: "Gareth Bult" <gareth@xxxxxxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Sent: 20 February 2008 16:07:07 o'clock (GMT) Europe/London
Subject: Re: [Xen-users] two bridges with xen 3.2.0
Hi,
i'm sorry guys, i don't quite get it.
i replaced my script with this one:
***********
#!/bin/sh
XENDIR="/etc/xen/scripts"
$XENDIR/network-bridge "$@" netdev=eth0 bridge=eth0 vifnum=0
$XENDIR/network-bridge "$@" netdev=eth1 bridge=eth1 vifnum=1
***********
on the other hand....
what about /etc/xen/xend-config.sxp ? Do i have to keep the
(vif-script vif-bridge) line? Do i have to use another script?
what about /etc/network/interfaces? can i use something like this?
****************
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.1.200
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.231
auto eth1
iface eth1 inet static
address 192.168.2.200
netmask 255.255.255.0
****************
or do i have to replace eth0 with peth0 in this file? will debian
load the newtork interfaces if i change the name?
Thank you.
En/na Gareth Bult ha escrit:
Hi,
Here's my Xen3.2 script .. working 100% on multiple boxes ...
#!/bin/sh
XENDIR="/etc/xen/scripts"
$XENDIR/network-bridge "$@" netdev=eth0 bridge=eth0 vifnum=0
$XENDIR/network-bridge "$@" netdev=eth1 bridge=eth1 vifnum=1
NOTE::
The nice people at Xen changed the default bridge from Xenbr<n>
to eth<n>.
New method;
a. rename device eth0 to peth0
b. create a bridge called eth0 (!!)
c. include peth0 as a device for bridge eth0
!!
Much improved method, however, the documentation stinks ..
Gareth.
----- Original Message -----
step 3.: "Jordi Moles" <jordi@xxxxxxxxx>
To: xen-users@xxxxxxxxxxxxxxxxxxx
Sent: 20 February 2008 11:50:33 o'clock (GMT) Europe/London
Subject: [Xen-users] two bridges with xen 3.2.0
hi,
i'm trying the new 3.2.0.
i've always used two bridges since 3.0.x with the following set up:
Replace
(network-script network-bridge)
with
(network-script network-bridge-both)
in file /etc/xen/xend-config.sxp
The content of network-bridge-both is
************
#!/bin/sh
dir=$(dirname "$0")
"$dir/network-bridge" "$@" vifnum=0 netdev=eth0 bridge=xenbr0
"$dir/network-bridge" "$@" vifnum=1 netdev=eth1 bridge=xenbr1
************
As i said, this used to work for 3.0.x and 3.1.x releases.....
Now, it doesn't work anymore...
when the xen loads....
there's only this in the ifconfig command:
-lo
-peth0
-peth1
What's different from the earlier releases? Thank you.
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