[DRBD-user] Using 2 Interfaces for the same drbd device ?

[Maurice Volaski]

>Maurice Volaski wrote:
>  >> via.lej at free.fr wrote:
>  >>>  I just want to build a redondancy between the 2 nics for the same
>>>>  drbd volume . If the link on the NIC A failed, i would like to use
>>>>  the NIC B in order to keep the synchronisation on the drbd volume.
>>>
>>>  You've got to use bonding mode 6 aka ALB.
>>>
>>
>>  This wouldn't work if the NICs are on different networks, which is what
>>  you'd want to also establish redundancy against switch failure.
>>  Heartbeat, however, has had this ability for a long time, although
>>  that's a way simpler connection.
>
>Yes, it would because you don't use eth0 and eth1 anymore, but bond0, bond1
>

No, this would not work. Bonding is not routing. There was once a 
discussion here on how this could be accomplished a long while ago 
using OSPF. It is rather complex. I seem to recall, however, that 
DRBD+, the commercial version, can do this natively. Correct?
-- 

Maurice Volaski, mvolaski at aecom.yu.edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University