Date: Tue, 29 Jun 2004 18:15:14 +0900 From: Rob <stopspam@users.sourceforge.net> To: freebsd-questions@freebsd.org Subject: Re: FreeBSD cluster: ntpd does not sync time properly? Message-ID: <40E13322.4070201@users.sourceforge.net> In-Reply-To: <40E0C929.4090401@users.sourceforge.net> References: <40E0C929.4090401@users.sourceforge.net>
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Rob wrote: > > Hello, > > I have a FreeBSD cluster, all PCs running FreeBSD-Stable (as of > one week ago). The cluster has a master, connected to the Internet, > and the master is also router, caching nameserver and timeserver > for the internal network. > The master has two internet cards, and there are 6 slaves > on the internal network. > > Problem is, that as time goes on, the system time on master > and slaves deviate more and more. > > Here is my configuration for the time server configuration: > > on MASTER (192.168.0.100) > rc.conf: > ntpdate_enable="YES" > ntpdate_flags="-b time.kriss.re.kr time.nuri.net" > xntpd_enable="YES" > ntp.conf: > # prohibit general access to this service > restrict default ignore > # allow hosts on the 192.168.0.0/24 subnet to query this server > restrict 192.168.0.0 mask 255.255.255.0 nomodify notrap > # localhost has full access to the server > restrict 127.0.0.1 > server time.kriss.re.kr prefer > server time.nuri.net > driftfile /etc/ntp.drift > > > on SLAVE<N> (192.168.0.<N>) > rc.conf: > ntpdate_enable="YES" > ntpdate_flags="-b 192.168.0.100" > xntpd_enable="YES" > ntp.conf: > # prohibit general access to this service > restrict default ignore > # localhost has full access to the server > restrict 127.0.0.1 > server 192.168.0.100 > driftfile /etc/ntp.drift > > > The idea is that at boot-up, time is instantly synchronized once by > unsing "ntpdate -b"; after that ntpd will control time adjustments. > > Am I making a mistake in this setup? Found the solution myself. I should use timed on the internal network, instead of ntpd deamon. That seems to work fine. R.
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