Thank you all. I will stop the services that is more secure. It will make scheduled stops. Phebe_Mertes@xxxxxxxxxxxxxxxxx wrote: > NTDP when it uses a time server, will do small increments to slowly change > the time. > > First, an hour off suggests you are not utilizing or have the wrong tzdata > installed. > > Second, you can assign the rhel pool time servers to allow your servers to > query a time server so they all become synchronized. > > in rhel, system-config-date allows you to set time zone, daylight savings > and date. I do not recommend this if you are trying to not do a fast time > change on your database logs. If you have little activity at 0200 hrs, then > this might be a good time to use this. > > > > > From: "Stainforth, Matthew (SD/DS)" <Matthew.Stainforth@xxxxxx> > > To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx> > > Date: 11/19/2009 07:05 AM > > Subject: RE: configuration ntp on all servers > > Sent by: redhat-list-bounces@xxxxxxxxxx > > > > > > > >>> What happens to the logs if they suddenly tell you that you have to >>> >> go >> >>> to the past? >>> >>> That is my question. >>> >> An hour off is pretty serious. If it's really that bad, you have a >> problem. >> Least intrusive: jump it at 02:00, or jump it in maybe five minute >> intervals >> once or twice a day. I'd lean towards the former. >> > > That could be even worse. My biggest concern would be the effect on redo > logs. I don't know how oracle handles time jumps into the past but my fear > would be if you ever had to apply those redo logs then they could be > applied in the wrong order so recovery from backup would be impossible for > any time span that contained a backward jump. > > I agree with Rob Marti, check with the DBAs to see if the operation is safe > but my guess is they'll say no. If it were me, I would schedule an outage > to bring the time back to normal and then enable NTP. > > Matt > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > > > -- ################################################## # Esteban Torres Rodríguez # # Área de Soporte Técnico # # Subdirección de Sistemas Informáticos # # Empresa Pública Desarrollo Agrario y Pesquero # # email: etorres@xxxxxx # ################################################## -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
