-> We have 2 servers server1 and server2 server.
->server1 is master application and server2 is slave application server. ->output of server1 hardware and slave timing:
-> We know how to change the system and hardware timing.
-> Need advice if we want to change the hardware and system timing then what is the procedure and impact on server appllicationa.
->Kindliy assist.
Last edited by Scott; 06-05-2014 at 08:10 AM..
Reason: Please use code tags
1)for hardware clock, I will use cmd :
2) Setting System timing to according to Hardware timing:
or
Please advice either hardwae to system timing copy will be ok or system to hardware timing ok?
3) We have already set the time zone so I will not change it.
4) We have some application running over these system where server1 is master and server2 as slave. kindly also advice that we need to stop out application or without stopping, we can proceed for time change?
5)I checked on the internet and mentiond like hardware clock always keep running even after the server is in shutdown status while system clock depends on kernal. once linux OS is shutdwon then system clock stop running.
Kindly Advice...
Last edited by Franklin52; 06-05-2014 at 11:10 AM..
Reason: Please use code tags
Yes, you are correct. Instead of manually changing or updating time, I restarted the ntp serices. I found the reason of this time difference that last week this server rebooted and ntp services was not running. After restarting ntp services, automatically system timing synced with ntp server. Application was not depend on this timing so without stopping application, I am able to do this.
After this, using below command I synced hardware timing to system timing:
hwclick --systohc
To ensure that ntpd is started at system boot, ensure the following:
1.
says ntpd ... 3:on 4:on 5:on ...
(and your current runlevel, who -r, is 3 or 4 or 5.
2.
ntpd runs with -g option.
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