CP 3600 - does a missing second PowerSupply result in blinking red system alert?

[DH]

Is it normal, that a missing second powerSupply result in a blinking red system Alert LED?
The missing 2nd PowerSupply is down/off under hardware health.

If yes, how can I disable this alert in case of missing 2nd PowerSupply?

[G_W_Albrecht]

Yes - see sk166000: On 3600, 3600T and 3800 appliances, alarm LED turns on if one of the PSUs is disconnected on how to resolve this.

[DH]

@G_W_Albrecht: Thanks for the fast answer. 

The gateway is on R81.20 JHF take 26 ... not referenced in the SK, but I tried it.

Now the Alert LED is off, but the Powersupply status LED is amber, so it is only one step in the right direction...

from https://sc1.checkpoint.com/documents/3000/GSG/EN/Content/Topics/GSG_3000/3000-Appliances-Hardware.ht...

...

Power supply status:
In 3600/3800 only -

• Off - No power/no status

• Amber - Power supply fault is detected

• Green - All power supplies are functioning

...

@@CP: It would be nice to be able to define the used PowerSupplies inside the WebUI and decide between missing and power failed by the system

[G_W_Albrecht]

I have posted the Version question and the behaviour shown to the SK team. Usually, a second PSU is installed if possible as this is a good security feature 😎

[DH]

Right, but redundancy is only as good as the monitoring to get the right failure message in time... 

Usually CP sells the gateways with only one powersupply, the second must buy in addition.

from point of fault tolerance you need 2 lines and 2 gateways, too and then sometimes you do not really need a second powersupply for each gateway...

But missing powersupply is different from missing power and different from a faulty power device, too.

In other words:
- no DC connector plupged in => no powersupply

- DC plugged in, but no power => no power/no power redundancy

- DC plugged in, but under voltage or over voltage => faulty powersupply

In the 90th of the last century Compaq was already able to decide between this three cases on their servers and throwed different SNMP traps...I learned it the hard way... 😎

[Chris_Atkinson]

Thanks for the feedback, whilst I don't know this for certain I imagine it's a little different with the external power bricks that these lower models leverage compared to others.