I have two new HP ML 350 servers, one has been up a couple days, the other
has been running for a couple months. Yesterday, they both went down at 2:40
PM, within 20 seconds of each other. It looks like a power failure, but they
are in different rooms, each with it's own APC SC1500 UPS. There was no
power interruption at the time, machines not on UPS never went down. Log
files only say unexpedted shutdown possibly due to crash or power failure.

What in the world could have caused that? Do I have two defective UPS's?

"dlw" <dlw@newsgroup> screv in
news:C871D495-22FE-43E4-B57F-9A68A418F4C6@newsgroup

> I have two new HP ML 350 servers, one has been up a couple days, the other
> has been running for a couple months. Yesterday, they both went down at
> 2:40
> PM, within 20 seconds of each other. It looks like a power failure, but
> they
> are in different rooms, each with it's own APC SC1500 UPS. There was no
> power interruption at the time, machines not on UPS never went down. Log
> files only say unexpedted shutdown possibly due to crash or power failure.
>
> What in the world could have caused that? Do I have two defective UPS's?

Here are a few possible reasons:
- Human interference
- Defective UPSs. When did you last test them? I do a full endurance test
twice a year so that I can tell my clients with confidence that they have a
UPS that works.
- An Windows Automatic Update that went wrong.
- An automatic virus scanner update that went wrong.
- Virus/malware infection with a time bomb.
- Hacker attack.
- Sheer coincidence.

Could be that or problems with building/panel wiring or power supplies.


--

Regards,

Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft Certified Professional
Microsoft MVP [Windows]
http://www.microsoft.com/protect

"dlw" wrote:

>I have two new HP ML 350 servers, one has been up a couple days, the other
> has been running for a couple months. Yesterday, they both went down at
> 2:40
> PM, within 20 seconds of each other. It looks like a power failure, but
> they
> are in different rooms, each with it's own APC SC1500 UPS. There was no
> power interruption at the time, machines not on UPS never went down. Log
> files only say unexpedted shutdown possibly due to crash or power failure.
>
> What in the world could have caused that? Do I have two defective UPS's?

On Sun, 13 Dec 2009 12:54:02 -0800, dlw <dlw@newsgroup> wrote:

>I have two new HP ML 350 servers, one has been up a couple days, the other
>has been running for a couple months. Yesterday, they both went down at 2:40
>PM, within 20 seconds of each other. It looks like a power failure, but they
>are in different rooms, each with it's own APC SC1500 UPS. There was no
>power interruption at the time, machines not on UPS never went down. Log
>files only say unexpedted shutdown possibly due to crash or power failure.
>
>What in the world could have caused that? Do I have two defective UPS's?

I have had problems with our ML350 G5 for the past few months too. Kept
rebooting whenever a backup was run. I found a lot of problems on the net of a
similar type most saying to upgrade to the latest Rom Pack (8.30) and Bios
(8.6). I did that but also found that a cooling fan had failed (it was still
running but the diags reported "failed redundancy"). The fan was replaced two
days ago and it has not failed this weekend. So at lease upgrade the firmware
and the rompack then run the diags and look at the event logs for issues.

--
Dave Mills
There are 10 types of people, those that understand binary and those that don't.