Re: [Xen-devel] Error migrating VM to secondary host using COLO replication

[Sadi <sadijrp@xxxxxxxxx>]

Hi,

Apparently vif2.0-emu was already binded with br0 when "brctl addif br0 vif2.0-emu" failed.

root@colob-HP-Compaq-6005-Pro-MT-PC:~# brctl addif br0 vif2.0-emu

device vif2.0-emu is already a member of a bridge; can't enslave it to bridge br0.

root@colob-HP-Compaq-6005-Pro-MT-PC:~# brctl show

bridge name     bridge id               STP enabled     interfaces

br0             8000.001a3fc46255       no              eth0

                                                        vif2.0

                                                        vif2.0-emu

br1             8000.000000000000       no

About the iptables, it seems like SECCOLO target can't be recognised.

root@colob-HP-Compaq-6005-Pro-MT-PC:~# iptables -t mangle -D PREROUTING -m physdev --physdev-in vif2.0-emu -j SECCOLO --index 1

iptables: No chain/target/match by that name.

Here is my active modules matching colo:

root@colob-HP-Compaq-6005-Pro-MT-PC:~# lsmod | grep -i colo

xt_SECCOLO             16384  1

nf_conntrack_colo      16384  2 xt_SECCOLO

x_tables               36864  8 xt_physdev,ip6table_mangle,ip_tables,xt_SECCOLO,xt_tcpudp,iptable_filter,iptable_mangle,ip6_tables

nf_conntrack          106496  4 xt_SECCOLO,nf_nat,nf_conntrack_colo,nf_conntrack_ipv4

So i was looking in the iptables and this really looks like the source of the problem. 

Sadi.

On Tue, Nov 8, 2016 at 5:57 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:

> entered forwarding state
> Nov  7 18:10:30 colob NetworkManager[907]: <info>  (vif2.0-emu): enslaved
> to br0
> Nov  7 18:10:30 colob root: /etc/xen/scripts/colo-proxy-setup: brctl addif
> br0 vif2.0-emu failed


How come this failed?

> Nov  7 18:10:30 colob root: /etc/xen/scripts/colo-proxy-setup: iptables -t
> mangle -D PREROUTING -m physdev --physdev-in vif2.0-emu -j SECCOLO --index
> 1 failed

Ah b/c of this. Are there any errors of what exactly failed?

--

Sadi.

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