Re: OT:6500 Combined power question

Dennis,

It sounds like you may be better off just working in a change window and
powering down the switch. I can't say that I've seen this type of change
attempted on a live system.

Mark

On Mon, Jun 20, 2011 at 1:33 PM, Dennis Worth <dennis.worth_at_gmail.com>wrote:

> Removal of power supply with redundancy disabled
>
> -
>
> System log and syslog messages are generated.
> -
>
> The system power is decreased to the power capability of one supply.
> -
>
> If there is not enough power for all previously powered-up modules, some
> modules are powered down and marked as power-deny in the Status field of
> the *show module* command output.
>
>
> In systems that are equipped with two power supplies, if one power supply
> fails and the other power supply cannot fully power all of the installed
> modules, system power management shuts down devices in this order:
>
> 1.
>
> Power over Ethernet (PoE) devices
>
> The system powers down PoE devices in descending order, starting with the
> highest numbered port on the module in the highest numbered slot.
> 2.
>
> Modules
>
> If additional power conservation is needed, the system powers down
> modules in descending order, starting with the highest numbered slot.
> Slots
> that contain Supervisor Engines or switch fabric modules are bypassed and
> not powered down.
>
> This shut down order is fixed and cannot be changed.
>
>
> On Mon, Jun 20, 2011 at 10:27 AM, Dennis Worth <dennis.worth_at_gmail.com
> >wrote:
>
> > Just found this.
> >
> >
> >
> http://www.cisco.com/en/US/products/hw/switches/ps700/products_tech_note09186a008015bfa8.shtml
> >
> >
> >
> > On Mon, Jun 20, 2011 at 10:12 AM, Dennis Worth <dennis.worth_at_gmail.com
> >wrote:
> >
> >> Hopefully someone has a test environment with enough cards to try it and
> >> let us know.
> >>
> >>
> >> On Mon, Jun 20, 2011 at 10:10 AM, John Neiberger <jneiberger_at_gmail.com
> >wrote:
> >>
> >>> A co-worker and I were discussing this very thing this morning.
> >>> Neither of us are sure what happens, though. I think the switch will
> >>> reload and bring up line cards in order until it runs out of power. My
> >>> co-worker thinks that it would probably just start shutting down line
> >>> cards until it had enough power, but it wouldn't reboot. I really have
> >>> no idea which actually happens, though. Hopefully someone here will
> >>> know. I've booted up switches that didn't have enough power, but I
> >>> don't recall pulling a power supply in a live, underpowered chassis
> >>> before.
> >>>
> >>> John
> >>>
> >>> On Mon, Jun 20, 2011 at 11:04 AM, Dennis Worth <dennis.worth_at_gmail.com
> >
> >>> wrote:
> >>> > Group,
> >>> >
> >>> > Currently an environment is running 110 power combine 3000W PS'. only
> >>> 111
> >>> > watts available, and need to add another linecard. Need to change out
> >>> to 220
> >>> > to support full 3000 watts.
> >>> >
> >>> > The question is: If i pull power to 1 power supply and plug into new
> >>> > receptacle, what gets shutdown? The whole switch, blades other than
> sup
> >>> or
> >>> > what? I could not find a document to point me in direction, and i
> don't
> >>> have
> >>> > a test environment with this setup ;)
> >>> >
> >>> > Thanks,
> >>> >
> >>> > --
> >>> > Dennis Worth
> >>> >
> >>> > "Of all men's miseries the bitterest it this: to know so much and to
> >>> have
> >>> > control over nothing."
> >>> > --Herodotus
> >>> >
> >>> >
> >>> > Blogs and organic groups at http://www.ccie.net
> >>> >
> >>> >
> _______________________________________________________________________
> >>> > Subscription information may be found at:
> >>> > http://www.groupstudy.com/list/CCIELab.html
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>>
> >>
> >>
> >>
> >> --
> >> Dennis Worth
> >>
> >> "Of all men's miseries the bitterest it this: to know so much and to
> have
> >> control over nothing."
> >> --Herodotus
> >>
> >>
> >
> >
> > --
> > Dennis Worth
> >
> > "Of all men's miseries the bitterest it this: to know so much and to have
> > control over nothing."
> > --Herodotus
> >
> >
>
>
> --
> Dennis Worth
>
> "Of all men's miseries the bitterest it this: to know so much and to have
> control over nothing."
> --Herodotus
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Mon Jun 20 2011 - 13:39:39 ART