On 2010-10-22, Florin Andrei <[email protected]> wrote: > I've 3 machines that would not synchronize to NTP servers no matter > what. They always end up stratum 10. They are regular Dell servers, > kernel 2.6.18-128.7.1.0.1.el5, ntp 4.2.2p1-7.el5 > > I tried to sync up to local NTP servers, I tried the US pool, I cleaned > up the drift file, nothing works, even though the initial offset is > really small (ntpdate seems to work). > > > Config file: > > server 10.10.16.65 iburst > server 10.10.16.64 iburst > server 127.127.1.0 # local clock > fudge 127.127.1.0 stratum 10 > driftfile /etc/ntp/drift > restrict 127.0.0.0 mask 255.0.0.0 > restrict 192.168.3.0 mask 255.255.255.0 nomodify notrap > restrict default ignore
get rid of the restric lines. GEt rid of the local clock line, and then try again. Get rid of the fudge line > > > Command line: > > ntpd -d -s /var/lib/ntp/stats -x -u ntp:ntp -p /var/run/ntpd.pid > > > This is the state they end up in: > > # ntpq -p > remote refid st t when poll reach delay offset > jitter >============================================================================== > ut12 .INIT. 16 u - 64 0 0.000 0.000 > 0.000 > ut11 .INIT. 16 u - 64 0 0.000 0.000 > 0.000 > *LOCAL(0) .LOCL. 10 l 2 64 77 0.000 0.000 > 0.001 > > > This is the status of one of the servers they are querying: > > remote refid st t when poll reach delay offset > jitter >============================================================================== > +ns1.tic.com 128.9.176.30 2 u 74 1024 377 54.117 -3.711 > 42.480 > +you.dontlike.us 128.4.40.12 3 u 30 1024 377 76.102 -1.723 > 0.183 > *clock.team-cymr 172.16.65.22 2 u 100 1024 377 67.046 3.628 > 0.130 > LOCAL(0) .LOCL. 10 l 31 64 377 0.000 0.000 > 0.001 > > > This is syslog: > > Oct 22 11:06:41 db23 ntpdate[30868]: step time server 10.10.16.64 offset > 0.056358 sec > Oct 22 11:06:41 db23 ntpd[30870]: ntpd [email protected] Tue Aug 21 > 17:51:27 UTC 2007 (1) > Oct 22 11:06:41 db23 ntpd[30870]: precision = 1.000 usec > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface wildcard, > 0.0.0.0#123 Disabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface wildcard, >::#123 Disabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface lo, ::1#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface bond1, > fe80::21e:c9ff:feb0:d128#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface bond0, > fe80::215:17ff:fe7d:2a90#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface lo, > 127.0.0.1#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface bond0, > 10.10.16.101#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: Listening on interface bond1, > 10.10.20.101#123 Enabled > Oct 22 11:06:41 db23 ntpd[30870]: kernel time sync status 0040 > Oct 22 11:06:41 db23 ntpd[30870]: frequency initialized 0.000 PPM from > /etc/ntp/drift > Oct 22 11:09:59 db23 ntpd[30870]: synchronized to LOCAL(0), stratum 10 > Oct 22 11:09:59 db23 ntpd[30870]: kernel time sync enabled 0001 > > > These are debug messages: > > Starting ntpd: ntpd [email protected] Tue Aug 21 17:51:27 UTC 2007 (1) > addto_syslog: precision = 1.000 usec > create_sockets(123) > addto_syslog: ntp_io: estimated max descriptors: 1024, initial socket > boundary: 16 > bind() fd 16, family 2, port 123, addr 0.0.0.0, flags=9 > Added addr 0.0.0.0 to list of addresses > addto_syslog: Listening on interface wildcard, 0.0.0.0#123 Disabled > bind() fd 17, family 10, port 123, addr ::, flags=1 > Added addr :: to list of addresses > addto_syslog: Listening on interface wildcard, ::#123 Disabled > bind() fd 18, family 10, port 123, addr ::1, flags=1 > Added addr ::1 to list of addresses > addto_syslog: Listening on interface lo, ::1#123 Enabled > bind() fd 19, family 10, port 123, addr fe80::21e:c9ff:feb0:d128, flags=1 > Added addr fe80::21e:c9ff:feb0:d128 to list of addresses > addto_syslog: Listening on interface bond1, fe80::21e:c9ff:feb0:d128#123 > Enabled > bind() fd 20, family 10, port 123, addr fe80::215:17ff:fe7d:2a90, flags=1 > Added addr fe80::215:17ff:fe7d:2a90 to list of addresses > addto_syslog: Listening on interface bond0, fe80::215:17ff:fe7d:2a90#123 > Enabled > bind() fd 21, family 2, port 123, addr 127.0.0.1, flags=5 > Added addr 127.0.0.1 to list of addresses > addto_syslog: Listening on interface lo, 127.0.0.1#123 Enabled > bind() fd 22, family 2, port 123, addr 10.10.16.101, flags=25 > Added addr 10.10.16.101 to list of addresses > addto_syslog: Listening on interface bond0, 10.10.16.101#123 Enabled > bind() fd 23, family 2, port 123, addr 10.10.20.101, flags=25 > Added addr 10.10.20.101 to list of addresses > addto_syslog: Listening on interface bond1, 10.10.20.101#123 Enabled > init_io: maxactivefd 23 > local_clock: time 0 base 0.000000 offset 0.000000 freq 0.000 state 0 > key_expire: at 0 > peer_clear: at 0 next 1 assoc ID 5730 refid INIT > newpeer: 10.10.16.101->10.10.16.65 mode 3 vers 4 poll 6 10 flags 0x201 > 0x1 ttl 0 key 00000000 > key_expire: at 0 > peer_clear: at 0 next 2 assoc ID 5731 refid INIT > newpeer: 10.10.16.101->10.10.16.64 mode 3 vers 4 poll 6 10 flags 0x201 > 0x1 ttl 0 key 00000000 > key_expire: at 0 > peer_clear: at 0 next 3 assoc ID 5732 refid INIT > newpeer: 127.0.0.1->127.127.1.0 mode 3 vers 4 poll 6 10 flags 0x1021 0x1 > ttl 0 key 00000000 > addto_syslog: frequency initialized 0.000 PPM from /etc/ntp/drift > local_clock: time 0 base 0.000000 offset 0.000000 freq 0.000 state 1 > report_event: system event 'event_restart' (0x01) status 'sync_alarm, > sync_unspec, 1 event, event_unspec' (0xc010) > transmit: at 1 10.10.16.101->10.10.16.65 mode 3 > auth_agekeys: at 1 keys 1 expired 0 > timer: refresh ts 0 > transmit: at 2 10.10.16.101->10.10.16.64 mode 3 > refclock_transmit: at 3 127.127.1.0 > refclock_receive: at 3 127.127.1.0 > peer LOCAL(0) event 'event_reach' (0x84) status 'unreach, conf, 1 event, > event_reach' (0x8014) > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 1 off 0.000000 del 0.000000 dsp 7.937500 jit 0.000001, age 0 > transmit: at 3 10.10.16.101->10.10.16.65 mode 3 > transmit: at 4 10.10.16.101->10.10.16.64 mode 3 > transmit: at 5 10.10.16.101->10.10.16.65 mode 3 > transmit: at 6 10.10.16.101->10.10.16.64 mode 3 > transmit: at 7 10.10.16.101->10.10.16.65 mode 3 > transmit: at 8 10.10.16.101->10.10.16.64 mode 3 > transmit: at 9 10.10.16.101->10.10.16.65 mode 3 > transmit: at 10 10.10.16.101->10.10.16.64 mode 3 > transmit: at 11 10.10.16.101->10.10.16.65 mode 3 > transmit: at 12 10.10.16.101->10.10.16.64 mode 3 > transmit: at 13 10.10.16.101->10.10.16.65 mode 3 > transmit: at 14 10.10.16.101->10.10.16.64 mode 3 > transmit: at 15 10.10.16.101->10.10.16.65 mode 3 > transmit: at 16 10.10.16.101->10.10.16.64 mode 3 > transmit: at 17 10.10.16.101->10.10.16.65 mode 3 > transmit: at 18 10.10.16.101->10.10.16.64 mode 3 > auth_agekeys: at 60 keys 1 expired 0 > transmit: at 65 10.10.16.101->10.10.16.64 mode 3 > transmit: at 67 10.10.16.101->10.10.16.65 mode 3 > refclock_transmit: at 68 127.127.1.0 > refclock_receive: at 68 127.127.1.0 > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 2 off 0.000000 del 0.000000 dsp 3.937744 jit 0.000001, age 0 > auth_agekeys: at 120 keys 1 expired 0 > transmit: at 131 10.10.16.101->10.10.16.64 mode 3 > refclock_transmit: at 133 127.127.1.0 > refclock_receive: at 133 127.127.1.0 > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 3 off 0.000000 del 0.000000 dsp 1.937988 jit 0.000001, age 0 > transmit: at 133 10.10.16.101->10.10.16.65 mode 3 > auth_agekeys: at 180 keys 1 expired 0 > transmit: at 195 10.10.16.101->10.10.16.64 mode 3 > transmit: at 197 10.10.16.101->10.10.16.65 mode 3 > refclock_transmit: at 198 127.127.1.0 > refclock_receive: at 198 127.127.1.0 > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 4 off 0.000000 del 0.000000 dsp 0.938171 jit 0.000001, age 0 > report_event: system event 'event_peer/strat_chg' (0x04) status > 'sync_alarm, sync_local_proto, 2 events, event_restart' (0xc521) > addto_syslog: synchronized to LOCAL(0), stratum 10 > clock_update: at 198 assoc 3 > local_clock: assocID 5732 offset 0.000000000 freq 0.000 state 1 > local_clock: time 198 base 0.000000 offset 0.000000 freq 0.000 state 4 > addto_syslog: kernel time sync enabled 0001 > local_clock: mu 198 jitr 0.000001 freq 0.000 stab 0.000000 poll 6 count 6 > report_event: system event 'event_sync_chg' (0x03) status 'leap_none, > sync_local_proto, 3 events, event_peer/strat_chg' (0x534) > crypto_update: update ts 3496759799 > report_event: system event 'event_peer/strat_chg' (0x04) status > 'leap_none, sync_local_proto, 4 events, event_sync_chg' (0x543) > auth_agekeys: at 240 keys 1 expired 0 > transmit: at 258 10.10.16.101->10.10.16.64 mode 3 > refclock_transmit: at 261 127.127.1.0 > refclock_receive: at 261 127.127.1.0 > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 5 off 0.000000 del 0.000000 dsp 0.438279 jit 0.000001, age 0 > clock_update: at 261 assoc 3 > local_clock: assocID 5732 offset 0.000000000 freq 0.000 state 4 > local_clock: time 261 base 0.000000 offset 0.000000 freq 0.000 state 4 > local_clock: mu 63 jitr 0.000001 freq 0.000 stab 0.000000 poll 6 count 12 > transmit: at 262 10.10.16.101->10.10.16.65 mode 3 > auth_agekeys: at 300 keys 1 expired 0 > transmit: at 323 10.10.16.101->10.10.16.64 mode 3 > refclock_transmit: at 326 127.127.1.0 > refclock_receive: at 326 127.127.1.0 > refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000001 > clock_filter: n 6 off 0.000000 del 0.000000 dsp 0.188362 jit 0.000001, age 0 > clock_update: at 326 assoc 3 > local_clock: assocID 5732 offset 0.000000000 freq 0.000 state 4 > local_clock: time 326 base 0.000000 offset 0.000000 freq 0.000 state 4 > local_clock: mu 65 jitr 0.000001 freq 0.000 stab 0.000000 poll 6 count 18 > transmit: at 327 10.10.16.101->10.10.16.65 mode 3 > > _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
