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тАО03-27-2011 08:14 PM
тАО03-27-2011 08:14 PM
DL360 G7 - disable auto power on after power cut?
Unfortunately when I tested the above scenario (by pulling the mains out) the server (DL360 G7)did power on automatically. The BIOS and ILO power settings make no difference. I suspect they are only for situations when the server is shutdown gracefully.
A quick google says that HP designed it this way, as they are meant to be highly available.
My problem is that I need to power servers up in a certain order (domain controllers, databases then app servers) when power returns after a power cut. I can't do that if all the servers start automatically at the same time.
Is there any way to achieve this?
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тАО03-27-2011 08:49 PM
тАО03-27-2011 08:49 PM
Re: DL360 G7 - disable auto power on after power cut?
Do you have a UPS?
Some of them have this functionality.
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тАО03-27-2011 09:09 PM
тАО03-27-2011 09:09 PM
Re: DL360 G7 - disable auto power on after power cut?
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тАО03-27-2011 09:15 PM
тАО03-27-2011 09:15 PM
Re: DL360 G7 - disable auto power on after power cut?
But if that don't fall out, would it be possible to write some kind of script that checks the other services/servers? Or maybe a script with a 'sleep' of various amounts before the services start? I have no idea how this would be done in Windows.
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тАО03-27-2011 10:23 PM
тАО03-27-2011 10:23 PM
Re: DL360 G7 - disable auto power on after power cut?
MK
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тАО03-27-2011 10:41 PM
тАО03-27-2011 10:41 PM
Re: DL360 G7 - disable auto power on after power cut?
Neither choices have the functionality.
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тАО03-28-2011 04:45 PM
тАО03-28-2011 04:45 PM
Re: DL360 G7 - disable auto power on after power cut?
As far as i am concern about "Auto power on" option in BIOS and ILo,it should work as expected.
if that is not working (after disabling) then you may be pulling the power from the unit, when servers are in running mode.
To work that option as expected, a graceful shutdown must be initiated from OS or from UPS and when power is back and that option is if disabled, unit won't power back.
Some UPS do cause this feature to not work correctly. To test that isolate the server from UPS and connect PSU directly from wall source, Take out the PSU #2 from unit during the test, and then initiate a greaceful shutdown and pull out the power cord and put it back. The unit should not power on.
If at all, unit is powering on, this indicates a hardware issue and you should contact your hardware vendor.
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тАО03-28-2011 04:51 PM
тАО03-28-2011 04:51 PM
Re: DL360 G7 - disable auto power on after power cut?
Taken from RBSU user guide:
Power-On Delay (under server availability)
When multiple servers power up after a power loss, the Power-On Delay feature delays the server from powering on for a specified time to prevent power usage spikes.
Wake-on LAN, RTC wake-up, and iLO Virtual Power Button events override the delay and immediately power on the server.
The following Power-On Delay options are available:
├в ┬в No delay (default)
and Random Delay
So i believe you have an option to set the delay period here.