[dba-SQLServer] A real puzzler

[John W. Colby]

The only log I have managed to find shows the system coming back up and 
logging an "unexpected reboot".

John W. Colby

On 8/7/2015 10:25 PM, Damien Solodow wrote:
> No records of BSOD in the Event Log/dumps?
> Do your baseboard controller logs (iDrac, iLO, etc) say anything about the cause of the reboot?
>
> In the Event Log anything about the reboot or around the time? Perhaps some task/process is making it think it *should* reboot?
>
> DAMIEN SOLODOW
> Senior Systems Engineer
> 317.447.6033 (office)
> 317.447.6014 (fax)
> HARRISON COLLEGE
>
> ________________________________________
> From: dba-SQLServer [dba-sqlserver-bounces at databaseadvisors.com] on behalf of John W. Colby [jwcolby at gmail.com]
> Sent: Friday, August 07, 2015 10:20 PM
> To: Discussion concerning MS SQL Server; Access Developers discussion and problem solving
> Subject: [dba-SQLServer] A real puzzler
>
> My SQL Server spontaneously reboots.  In the past it was once a month,
> then once week or two.  Now it is several times a day.
>
> UNLESS SQL Server is exercised heavily, and then it will not reboot.
>
> That is counter intuitive.
>
> If the issue were a memory issue, SQL Server using all of the memory
> (and it does) would find and trigger such errors.
> If it were a heat issue, SQL Server using all of the processors (and it
> does) would cause more heat.
>
> Etc.
>
> If I stop the service(s) it still reboots.
>
> I am at a loss, not only as to cause, but how to troubleshoot.
>
> Any words of wisdom?
>
> Dual chip mother board.
> Two AMD processors each with 8 cores (15 cores total)
> 80 gigs RAM
> Windows 2008
> SQL Server 2008
>
> --
> John W. Colby
>
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