[c-nsp] ME3600x SNMP items for power supplies disappear when PSU is pulled

Richard Hartmann richih.mailinglist at gmail.com
Sat Sep 14 03:45:11 EDT 2013


On Fri, Sep 13, 2013 at 7:19 PM, Phil Mayers <p.mayers at imperial.ac.uk> wrote:

> ...so I guess you want that behaviour?

Correct.


> I think it's arguable which is the "right" approach here - I can see legit
> reasons to do both, and I guess it's got to do with BU logic or maybe FRU
> probing capabilities on the ME3600.

As the ME3600x is designed to run with two PSU and will not even start
when only one PSU is present, I do not think it's good design to
simply drop the entities.

Ironically, the 6500 which has a distinct fan tray and thus may run
with one PSU only is designed that way...


> Maybe see if there's useful stuff under:
>
> CISCO-ENTITY-FRU-CONTROL-MIB::cefcPowerRedundancyOperMode.18 = INTEGER:
> nonRedundant(4)
> CISCO-ENTITY-FRU-CONTROL-MIB::cefcPowerNonRedundantReason.18 = INTEGER:
> singleSupply(3)
>
> ...as for "number of supplies" - count all rows in the SupplyState table
> with state==normal?

For some reason, I woke up at 0700 sharp (on the weekend, yay) so I
played with that for a few more few hours and... sadly no.


Thanks,
Richard


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