[ofa-general] OpenSM?

Yevgeny Kliteynik kliteyn at dev.mellanox.co.il
Wed May 28 07:44:27 PDT 2008


Hi Al,

Al Chu wrote:
> Hey Yevgeny,
> 
>> Did ftree fail to digest the topology? 
> 
> For the current OpenSM, on atleast one cluster, yes.  I've been meaning
> to look into it.  Just haven't gotten to it yet.

OK, let me know if ftree is still unable to work on your topology
when you do get back to this - perhaps I'll need to tune it up a bit

> There is some legacy too. Earlier ftree's weren't able to handle a
> number of corner cases, so updn was used instead (and now is still
> used).
> 
>> Or perhaps that you need LMC>0, which ftree doesn't support?
> 
> This too.

Unless, of course, you need LMC>0, in which case ftree is useless.

-- Yevgeny

> Al
> 
> On Wed, 2008-05-28 at 09:24 +0300, Yevgeny Kliteynik wrote:
>> Ira,
>>
>> Ira Weiny wrote:
>>> We run with the up/down algorithm, ftree has not panned out for us yet.
>> Can you elaborate on that?
>> Did ftree fail to digest the topology? Or did it do a lousy job configuring
>> the subnet? Or perhaps the you need LMC>0, which ftree doesn't support?
>>
>> -- Yevgeny
>>
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