***SPAM*** Re: [ofa-general] ***SPAM*** Re: [PATCH] opensm: disable switch ports only

[Eli Dorfman]

Hal Rosenstock wrote:
> On Tue, Nov 18, 2008 at 11:56 AM, Sasha Khapyorsky <sashak at voltaire.com> wrote:
>> On 11:05 Tue 18 Nov     , Hal Rosenstock wrote:
>>>> but when endport is disabled how could we reenable this
>>>> remotely via downed link?
>>> I don't understand what you mean. ibportstate does not allow disabling
>>> of end port.
>> Right. And this is the reason to disable switch external port. And also
>> if we have (hypothetically) the tool which is able to disable/enable
>> endport, we will not be able to access this endport via downed link,
>> only local reset/reboot will help.
> 
> Yes, disabling the switch peer port is the alternative to disabling
> the end port. The latter is not allowed and I agree that disabling the
> switch peer port is a better choice IMO as the admin can't shoot
> himself in the foot and have to reset/reboot to reenable.
> 

More generic approach would be to disable the port with the least hop count.
this will address the case of inter switch link where the most remote port (from opensm) is sending traps.
in that case we would like to disable the nearest switch port.

Eli.