[openib-general] [PATCH] ib_sa_query tool

[Hal Rosenstock]

Hi Ira,

On Thu, 2006-03-02 at 18:23, Ira Weiny wrote:
> Hal, Makia, Trent and I spoke at the workshop about ways to resolve IB nodes in
> a cluster by name.  The included tool allows userspace to query the SA,
> optionally by "name" or node description.  The main push for us here at LLNL was
> to get the ability to do stuff like:
> 
> # odev7 /root > ibping `ib_sa_query -L odev3`
> Pong from odev3.(none) (Lid 0x18): time 0.193 ms
> Pong from odev3.(none) (Lid 0x18): time 0.110 ms
> 
> --- odev3.(none) (Lid 0x18) ibping statistics ---
> 2 packets transmitted, 2 received, 0% packet loss, time 1809 ms
> rtt min/avg/max = 0.110/0.151/0.193 ms

Is this userspace or kernel ibping on the remote side ? Note that ibping
has not yet been pushed upstream and there is IBTA standards work going
on which will require changes in it.

I will review the patch separately. Thanks!

-- Hal

> In essence use node names for the standard diag tools.  This uses the node
> description field which can be set at start up by a script for each node.  We
> realize this has some limitations but it seems useful here.
> 
> Ira
> 
> 
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