[c-nsp] 6509 and ws-x6748 and power

Brad Swanson lakepepin at hotmail.com
Thu Jun 9 08:09:30 EDT 2005


Yep, 4000watt power gets you 3795 available...94.8% of stated power.  Can I 
only pay 94% then? :)

>sho env power
PS1 Capacity: 3795.12 Watts (90.36 Amps @42V)
PS2 Capacity: 3795.12 Watts (90.36 Amps @42V)
PS Configuration : PS1 and PS2 in Redundant Configuration.

Total Power Available                        : 3795.12 Watts (90.36 Amps 
@42V)
Total Power Chassis Limit                    : 3780.00 Watts (90.00 Amps 
@42V)
Total Power Chassis Recommended              : 3780.00 Watts (90.00 Amps 
@42V)
Total Power Available for Line Card Usage    : 3780.00 Watts (90.00 Amps 
@42V)
Total Power Drawn From the System            : 1606.50 Watts (38.25 Amps 
@42V)
Total Power Drawn by the Chassis             :    0.00 Watt
Total Power Drawn by the modules             : 1606.50 Watts (38.25 Amps 
@42V)
Total Inline Power Drawn From the System     :    0.00 Watts ( 0.00 Amps 
@42V)
Total Power Reserved as localpool for modules:    0.00 Watt
Remaining Power in the System                : 2188.62 Watts (52.11 Amps 
@42V)
Configured Default Inline Power allocation per port: 15.40 Watts ( 0.37 Amps 
@42
V)

Slot power Requirement/Usage :

Slot Model                   PowerRequested PowerAllocated CardStatus
                             Watts   A @42V Watts   A @42V
---- ----------------------- ------- ------ ------- ------ ----------
4                             325.50  7.75     0.00  0.00  power-bad
5    WS-SUP720-BASE           315.00  7.50   315.00  7.50  ok
6    WS-SUP720-BASE           315.00  7.50   315.00  7.50  standby
7    WS-X6748-GE-TX           325.50  7.75   325.50  7.75  ok
8    WS-X6748-GE-TX           325.50  7.75   325.50  7.75  ok
9    WS-X6748-GE-TX           325.50  7.75   325.50  7.75  ok

Insufficient DC voltage levels detected on module 4
TTCIDF5BAKSWT002> (enable)

>From: Hank Nussbacher <hank at efes.iucc.ac.il>
>To: "David Prall" <dcp at dcptech.com>, "'Brad Swanson'" 
><lakepepin at hotmail.com>,        <cisco-nsp at puck.nether.net>
>Subject: RE: [c-nsp] 6509 and ws-x6748 and power
>Date: Thu, 09 Jun 2005 07:36:42 +0300
>
>At 09:46 PM 08-06-05 -0400, David Prall wrote:
>
>I can dig that, but when I order a 6500 with a 3000W power supply, I don't 
>expect to get only 2770W:
>
>gp1#sho power
>system power redundancy mode = redundant
>system power redundancy operationally = non-redundant
>system power total =     2771.16 Watts (65.98 Amps @ 42V)
>system power used =      1807.68 Watts (43.04 Amps @ 42V)
>system power available =  963.48 Watts (22.94 Amps @ 42V)
>                         Power-Capacity PS-Fan Output Oper
>PS   Type               Watts   A @42V Status Status State
>---- ------------------ ------- ------ ------ ------ -----
>1    WS-CAC-3000W       2771.16 65.98  OK     OK     on
>2    none
>                         Pwr-Allocated  Oper
>Fan  Type               Watts   A @42V State
>---- ------------------ ------- ------ -----
>1    WS-C6K-13SLT-FAN2   298.20  7.10  OK
>                         Pwr-Requested  Pwr-Allocated  Admin Oper
>Slot Card-Type          Watts   A @42V Watts   A @42V State State
>---- ------------------ ------- ------ ------- ------ ----- -----
>1    WS-X6582-2PA        105.00  2.50   105.00  2.50  on    on
>2    WS-X6582-2PA        105.00  2.50   105.00  2.50  on    on
>3    WS-X6582-2PA        105.00  2.50   105.00  2.50  on    on
>4    WS-X6582-2PA        105.00  2.50   105.00  2.50  on    on
>7    WS-SUP720-3BXL      328.44  7.82   328.44  7.82  on    on
>8    (Redundant Sup)       -     -      328.44  7.82  -     -
>9    WS-X6748-GE-TX      432.60 10.30   432.60 10.30  on    on
>
>Not nice.
>
>-Hank
>
>>Brad,
>>What power supplies? DFC's on the cards? This is the most power hungry 
>>card
>>that can be installed. Have a look at
>>http://www.cisco.com/go/powercalculator A 6509 with 2500 Watt Power 
>>Supplies
>>is at 82% with only the 2 Sup-720's and 4 6748's without DFC's. With DFC's
>>the 2500W is at 99%. If you have any other cards in there it is
>>overloaded/underpowered.
>>
>>David
>>
>>--
>>David C Prall dcp at dcptech.com http://dcp.dcptech.com
>>
>>
>> > -----Original Message-----
>> > From: cisco-nsp-bounces at puck.nether.net
>> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Brad Swanson
>> > Sent: Wednesday, June 08, 2005 2:27 PM
>> > To: cisco-nsp at puck.nether.net
>> > Subject: [c-nsp] 6509 and ws-x6748 and power
>> >
>> > TAC case already open.  Bad chassis...?  6509 with dual sup720 3a's,
>> > ws-x6748-ge-tx cards in mod's 4, 7, 8, 9.  Two weeks ago the
>> > mod in slot 4
>> > died with the error "power-bad".  Thinking the card died, we
>> > replaced with
>> > new.  Just today the new card dies the same death, moved it
>> > to slot 3, same
>> > result.  Booted switch, still dead card.
>> >
>> > Some messages:
>> > a fabric-sync error showed up right before the module died
>> > sho mod 4 gets unknown card, for module-type and power-bad for status.
>> > sho env all gets nothing showing up in slot 4, yet under Slot power
>> > requirements/usage slot 4 shows "Insufficient DC voltage
>> > levels detected on
>> > module 4"
>> > on reboot:   %SYS-3-MOD_PWRFAIL:Module 4 failed to power up
>> >
>> > Power to the device is data center power, doesn't get any
>> > cleaner as far as
>> > power.
>> >
>> > Bad connectors on the backplane for power?
>> >
>> > Brad Swanson
>> >
>> >
>> > _______________________________________________
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>> > https://puck.nether.net/mailman/listinfo/cisco-nsp
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>> >
>>
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