[ofw] Doing queries on subnet every 30 seconds

[Fab Tillier]

Hal Rosenstock wrote on Mon, 2 May 2011 at 05:09:46

> On Mon, May 2, 2011 at 4:54 AM, Tzachi Dar <tzachid at mellanox.co.il> wrote:
>> It seems that currently we have code that scans for srp targets every 30
>> seconds (and creates qpr).
>> 
>> See the function __ioc_query_sa for more details.
>> 
> 
> What is __ioc_query_sa doing ? Where is this code found ? Is this an
> SA query ? Which one ?

Basically, if I recall correctly, it queries the SM for all port records and all path records, does a join of the tables to get all paths to ports that have the IOC bit set, and then sends DM MADs to discover I/O devices.

-Fab

> 
> -- Hal
> 
>> 
>> When the cluster gets big it creates load on the sm.
>> 
>> 
>> 
>> Is there any objection to disable it by default?
>> 
>> 
>> 
>> Thanks
>> 
>> Tzachi
>> 
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