Re: configuration ntp on all servers



I'd check with your dbas.

Sent from my iPhone

On Nov 19, 2009, at 6:50, "Esteban Torres Rodriguez" <etorres@xxxxxx>
wrote:

My question is what happens to a server that is actually at 15:00
and is
14:00.

For example, the case with oracle when I say that has to go to the
past?

What happens to the logs if they suddenly tell you that you have to go
to the past?

That is my question.

hike wrote:
the man page for ntp is fairly description and the internet is full
of ntp
instructions, how-tos, etc.

the ntpd demon can be stopped and started by hand and does not
require a
reboot.
the applications should not notice it; they typically use whatever
time is
given when they request the time.

the issue that you may face is that your different servers have
different
times.
this may or may not be an issue. (it was a one place that i have
worked.)

the date command can be use to explicitly change the time on a
server.
the man page gives the details.

both the date command and the ntpd process don't disrupt properly
functioning servers.
both require minimal resources.



On Thu, Nov 19, 2009 at 3:08 AM, Esteban Torres Rodriguez <etorres@xxxxxx
wrote:


Hello,

I have many servers when I'm wrong and my server configured with
ntp.
These are production servers that can not stop and not what is the
best
procedure to change the time.

Those who have delayed the advance time without problems but when
I have
to give back as no how.

Servers are Oracle, MySQL, Apache, OAS, etc. ....

"As you do?
What procedure you use?

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# Empresa Pública Desarrollo Agrario y Pesquero #
# email: etorres@xxxxxx #
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