[hobbit] New Hobbit server install validation

[dOCtoR MADneSs]

Rich Smrcina a écrit :
> What's really weird is that one Xymon server that I run on VMWare Server 
> on X86 has a clock that actually gains time!  Bizarre.
> 
> Henrik Størner wrote:
>> On Fri, Feb 20, 2009 at 03:30:17PM -0600, Rafal Roginela wrote:
>>> I have a 4.2 install of Hobbit up and running and I am very happy with
>>> it. It runs on an old Gateway workstation with a Celeron and 512MB and
>>> performs stellar! CentOs 5 nothing fancy. I was going to move it to a
>>> more recent piece of hardware a Dell OptiPlex 320, which at least it is
>>> under warranty. I had the Idea of running it as a Xen VM on a Debian
>>> host. Is this a bad idea? 
>>
>> The only problem I've seen with Hobbit running in a VM is that the
>> virtual machines - at least with VMware - sometimes have problems 
>> maintaining their system clock in sync with the real world. The
>> clock tends to drift somewhat.
>>
>> Since lots of stuff in Xymon (Hobbit) is timing dependant, this
>> can be a problem. The 4.2.0 and 4.2.2 versions in particular would
>> not handle a system clock going backwards very well - 4.2.3 is
>> better, and it should be all cured with 4.3.0, at least so that
>> Xymon doesn't crash if that happens. But it will still affect the
>> timestamps that appear on all of the log entries Xymon makes.
>>
>>
>> Regards,
>> Henrik
> 
What VM software do you use ?
I often seen VMWare guests having troubles with clock management. The 
issue was solved with a kernel parameter (didn't remember wich one).