[Linux-ha-dev] implement UUID as node ID

Guochun Shi gshi at ncsa.uiuc.edu
Wed Jun 23 14:02:05 MDT 2004


At 09:45 PM 6/23/2004 +0200, you wrote:
>On 2004-06-23T14:41:15,
>   Guochun Shi <gshi at ncsa.uiuc.edu> said:
>
>> messages from other nodes. If there are more than 1 entries in the
>> table, we will need send the message multiple times with different
>> destination or we can modify the "to" field in struct ha_msg to handle
>> this case so that we only send it once.
>
>Uhm. No.
>
>If there's several entries in the nodename -> UUID table it means the
>nodename mapping is _not_ unique - there are several nodes with the same
>name, and thus we don't know where to send the message too.
>
>That's basically a clash, and I'm not sure how to resolve it.

Yeah, it is a clash. Since we are not sure which node to send, the best
we can do is send the message to all of them. It is up to nodes themselves
to drop unrelated messages (if they can tell)

-Guochun





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