[ofa-general] Baseboard Management API

[Miller, Ross G.]

Supposedly, the switches have BMA's, but I guess I'd better go check with the sysadmins and find out for sure.

Regarding the error code:

If I set the method to IB_MAD_METHOD_GET and the attrid to IB_BM_ATTR_BKEYINFO, then I get an error out of mad_rpc saying the status field was 0xC.  If I'm reading the architecture spec right, 0xC means that method/attrid combination isn't supported.

If I try IB_MAD_SEND and IB_BM_ATTR_GET_MODULE_STATUS, I receive no errors back, but I also receive no data.

FWIW: The code I've written is based loosely on vendstat.c, but for simplicity I've stripped it down quite a bit and just hard-coded the parameters (method, attrid, LID, etc...)  I'm trying to write a simple utility that will query the status of the redundant power supplies on the switches so our admins don't have to physically check each morning looking for failures.  Byte 5 of IB_BM_ATTR_GET_MODULE_STATUS should tell me exactly what I need, I think.  The only reason for trying the BKEYINFO was just to see if I could get anything to work at all.


Thanks,

Ross G. Miller
Systems Integration Programmer
National Center for Computational Sciences
Oak Ridge National Laboratory

On 8/10/09 10:49 AM, "Hal Rosenstock" <hal.rosenstock at gmail.com> wrote:



On Mon, Aug 10, 2009 at 10:37 AM, Miller, Ross G. <rgmiller at ornl.gov> wrote:
I read the posts back in March where the bm_call_via API was discussed and accepted.  I'm trying to write a simple utility that uses that function to query several IB switches,

Do those switches have BMAs ?

but all I get back is an error code.

What error code ?

  Has anyone else used this function, and is there any sample code available that I could reference?

AFAIK no code using this has been posted but you can look at ibping or vendstat which use vendor MADs but should be similar.

-- Hal


Thanks very much,

Ross G. Miller
Systems Integration Programmer
National Center for Computational Sciences
Oak Ridge National Laboratory
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