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Stop using ntpdate(1) in our startup proceedure. Replace ntpdate(1) with

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calls to ntpd -g.  ntpd is noticably slower than ntpdate, but is also more
accurate.  This removes the nasty hackery in rc.d/ntpdate that would parse
out ntp servers from /etc/ntp.conf (ntpd knows how to read its own config
file).  By default, ntpd *will* sync with its listed time servers.  To
turn this off so that ntpd does not sync, ntpd_sync_on_start="NO" can be
added to /etc/rc.conf.  If ntpd is not enabled (the default), then time is
not synced on startup.  ntpdate's use has been depreciated by the ntpd
authors for quite some time so this change shouldn't be unexpected.

Suggested by:	des
Approved by:	roberto (resident ntp guru)
This commit is contained in:
Sean Chittenden 2004-09-14 03:01:38 +00:00
parent f5ee5a8be1
commit 0050f9ec3c
5 changed files with 18 additions and 5 deletions
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10
UPDATING
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@ -23,6 +23,16 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 6.x IS SLOW:
developers choose to disable these features on build machines
to maximize performance.
20040914:
/etc/rc.d/ntpdate has been removed in favor of using the -g
flag to ntpd(1). By default, if ntpd is enabled, it will sync
with the time servers listed in /etc/ntp.conf regardless of the
time difference (slew). To prevent this, add
ntpd_sync_on_start="NO" to /etc/rc.conf.
NOTE: Doing a sync (ntpd -g) is noticably slower than ntpdate(1),
but is also more accurate (hence ntpdate(1) being depreciated).
20040914:
The format of the pflogd(8) logfile "/var/log/pflog" has changed for
architectures that have a 64 bit long type to make it compatible to

4
etc/defaults/rc.conf
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@ -219,11 +219,9 @@ keyserv_flags="" # Flags to keyserv (if enabled).
### Network Time Services options: ###
timed_enable="NO" # Run the time daemon (or NO).
timed_flags="" # Flags to timed (if enabled).
ntpdate_enable="NO" # Run ntpdate to sync time on boot (or NO).
ntpdate_program="/usr/sbin/ntpdate" # path to ntpdate, if you want a different one.
ntpdate_flags="-b" # Flags to ntpdate (if enabled).
ntpd_enable="NO" # Run ntpd Network Time Protocol (or NO).
ntpd_program="/usr/sbin/ntpd" # path to ntpd, if you want a different one.
ntpd_sync_on_start="YES" # Sync time on ntpd startup, even if offset is high
ntpd_flags="-p /var/run/ntpd.pid -f /var/db/ntpd.drift"
# Flags to ntpd (if enabled).

2
etc/rc.d/Makefile
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@ -23,7 +23,7 @@ FILES= DAEMON LOGIN NETWORKING SERVERS \
mountd moused mroute6d mrouted msgs \
named natd netif netoptions \
network_ipv6 nfsclient nfsd \
nfslocking nfsserver nisdomain nsswitch ntpd ntpdate \
nfslocking nfsserver nisdomain nsswitch ntpd \
othermta \
pccard pcvt pf pflog preseedrandom \
power_profile ppp-user pppoed pwcheck \

5
etc/rc.d/ntpd
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@ -15,10 +15,15 @@ name=ntpd
rcvar=`set_rcvar`
command="/usr/sbin/${name}"
pidfile="/var/run/${name}.pid"
start_precmd="ntpd_precmd"
required_files="/etc/ntp.conf"
ntpd_precmd()
{
if checkyesno ntpd_sync_on_start; then
rc_flags="-g ${ntpd_flags}"
fi
if [ -z "$ntpd_chrootdir" ]; then
return 0;
fi

2
etc/rc.d/rpcbind
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@ -5,7 +5,7 @@
#
# PROVIDE: rpcbind
# REQUIRE: NETWORKING ntpdate syslogd named
# REQUIRE: NETWORKING ntpd syslogd named
# KEYWORD: FreeBSD
. /etc/rc.subr