[CentOS] Strange issue with system time being off

Thu Aug 9 20:22:35 UTC 2012
Craig White <craig.white at ttiltd.com>

until you set your clock so that 'date' gives the right time, don't bother doing anything else. Once you get it set, then execute the hwclock --systohc

Craig

On Aug 9, 2012, at 1:08 PM, Russell Jones wrote:

> Thanks, I tried again, rebooted, still 5 hours off slow. The second I
> do "hwclock --hctosys" the time is fine. That's silly to have to do
> that though, I feel like I am missing a configuration parameter
> somewhere.
> 
> 
> 
> [root at nod705 ~]# date
> Thu Aug  9 10:06:36 CDT 2012
> 
> [root at nod705 ~]# hwclock
> Thu 09 Aug 2012 03:06:39 PM CDT  -0.437183 seconds
> 
> 
> [root at nod705 ~]# cat /etc/sysconfig/clock
> # The ZONE parameter is only evaluated by system-config-date.
> # The timezone of the system is defined by the contents of /etc/localtime.
> ZONE="America/Chicago"
> UTC=false
> ARC=false
> 
> 
> 
> [root at nod705 ~]# cat /etc/adjtime
> 0.0     0       0.0
> 0
> LOCAL
> 
> 
> 
> 
> 
> On Thu, Aug 9, 2012 at 2:56 PM, Craig White <craig.white at ttiltd.com> wrote:
>> 
>> On Aug 9, 2012, at 12:33 PM, Russell Jones wrote:
>> 
>>> Hi all,
>>> 
>>> I am having an issue with some older CentOS 5.3 servers. Every time
>>> the server boots, it gives the error "Cannot access the hardware clock
>>> by any known method", and then promptly sets the time 5 hours behind
>>> the hardware clock, down to the second.
>>> 
>>> After the system is up. "hwclock" works fine. hwclock --debug does not
>>> show any error at all.
>>> 
>>> The hardware clock is configured in local time. /etc/sysconfig/clock
>>> is set to UTC=false and ZONE="America/Chicago". /etc/localtime is a
>>> copy of Chicago's zone file. /etc/adjtime is configured with "LOCAL"
>>> as the third row. I am at a loss as to what is causing this.
>>> 
>>> Any assistance is appreciated! Thanks!
>> ----
>> Chicago is GMT +5 if I recall correctly so it would seem that perhaps a previous install used UTC=true to set the hwclock
>> 
>> after you get the time set (date -s "08/09/2012 14:54:00" or whatever) then set the hwclock to system time
>> 
>> hwclock --systohc
>> 
>> Craig
>> 
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-- 
Craig White ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ craig.white at ttiltd.com
1.800.869.6908 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ www.ttiassessments.com 

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