[openfabrics-ewg] IPoIB "bonding" solution for OFED 1.1 (was re: [PATCH] ipoib: fix address update handling (was Re: OFED 1.1 release - schedule and features))

[Or Gerlitz]

Michael S. Tsirkin wrote:
> Quoting r. Roland Dreier <rdreier at cisco.com>:
>> Subject: Re: OFED 1.1 release - schedule and features
>>
>>  > So if the link which ib0 maps to is DOWN you move the ib0 IPv4 address
>>  > to another device whose link is UP (eg ib1) and you somehow have ib1
>>  > send a gratuitous ARP?
>>
>> I think there may be a problem in the way IPoIB deals with gratuitous
>> ARPs.  Because if a neighbour structure is updated by the networking
>> core, there's no way for IPoIB to know about that and update the
>> associated IB path.

>> Has anyone actually tried this failover approach?

> OK, we've seen the problem here - and here's a patch to fix it.
> Seems to work fine here - I'll let it run for a day just to make sure.

Hi Tziporet,

Do you have an initial drop of the bonding solution planned for OFED 1.1 
that is ready to see the daylight? if not, when is this expected?

As i mentioned to you, we are investigating few possible ways to 
implement HA for IPoIB and want to examine your approach as well.

Or.