[ClusterLabs] getting "Totem is unable to form a cluster" error

[Jan Pokorný]

On 12/04/16 15:03 +0200, Lars Ellenberg wrote:
> On Mon, Apr 11, 2016 at 08:23:03AM +0200, Jan Friesse wrote:
> 
> ...
>>>> bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
>>>>       link/ether 74:e6:e2:73:e5:61 brd ff:ff:ff:ff:ff:ff
>>>>       inet 10.150.20.91/24 brd 10.150.20.55 scope global bond0
>>>>       inet 192.168.150.12/22 brd 192.168.151.255 scope global bond0:cluster
>>>>       inet6 fe80::76e6:e2ff:fe73:e561/64 scope link
>>>>          valid_lft forever preferred_lft forever
>>> 
>>> This is ifconfig output? I'm just wondering how you were able to set
>>> two ipv4 addresses (in this format, I would expect another interface
>>> like bond0:1 or nothing at all)?
> ...
> 
> No, it is "ip addr show" output.
> 
>> RHEL 6:
>> 
>> # tunctl -p
>> Set 'tap0' persistent and owned by uid 0
>> 
>> # ip addr add 192.168.7.1/24 dev tap0
>> # ip addr add 192.168.8.1/24 dev tap0
>> # ifconfig tap0
>> tap0      Link encap:Ethernet  HWaddr 22:95:B1:85:67:3F
>>           inet addr:192.168.7.1  Bcast:0.0.0.0  Mask:255.255.255.0
>>           BROADCAST MULTICAST  MTU:1500  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:500
>>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> 
> 
> # ip addr add 192.168.7.1/24 dev tap0
> # ip addr add 192.168.8.1/24 dev tap0 label tap0:jan
> # ip addr show dev tap0
> 
> And as long as you actually use those "label"s,
> you then can even see these with "ifconfig tap0:jan".

Further reading: http://inai.de/2008/02/19

-- 
Jan (Poki)
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