[Samba] Time synchronization problem. Chrony, ntp
James Browning
jamesb192 at jamesb192.com
Sat Jan 18 15:26:26 UTC 2025
On Saturday, January 18, 2025 4:36:59 AM Pacific Standard Time miguel medalha
via samba wrote:
> I have the exact same problem with my Windows clients. Many of their clocks
> are drifting and I can't find a solution. I have a GPO according to the
> Samba Wiki page, but it doesn't work, apparently.
> > Running 'w32tm /query /status' still showed the 'local' clock as time
> > source, so: w32tm /resync
> > To force a sync from the pdc_emulator
>
> I am not that lucky:
>
> w32tm /resync
> Sending resync command to local computer
> The computer did not resync because no time data was available
>
> But:
>
> w32tm /query /peers /verbose
> #Peers: 1
> Peer: DC-2.mydomain.com
> State: Active
> Time Remaining: 26.6768908s
> Mode: 3 (Client)
> Stratum: 0 (unspecified)
> PeerPoll Interval: 0 (unspecified)
> HostPoll Interval: 6 (64s)
> Last Successful Sync Time: (null)
> LastSyncError: 0x800705B4 (Esta operação foi devolvida porque o tempo limite
> expirou. ) LastSyncErrorMsgId: 0x00000000 (Succeeded)
> AuthTypeMsgId: 0x0000009B (NtSignature )
> Resolve Attempts: 0
> ValidDataCounter: 1
> Reachability: 2
>
> w32tm /monitor
> DC-2.mydomain.com[xxx.xxx.xxx.8:123]:
> ICMP: 0ms delay
> NTP: +0.0003020s offset from DC-1.mydomain.com
> RefID: ntp04x.oal.ul.pt [194.117.9.136]
> Stratum: 3
> DC-1.mydomain.com *** PDC ***[ xxx.xxx.xxx.2:123]:
> ICMP: 0ms delay
> NTP: +0.0000000s offset from DC-1.mydomain.com
> RefID: ntp04x.oal.ul.pt [194.117.9.136]
> Stratum: 3
>
> w32tm /query /status
> Leap Indicator: 3(not synchronized)
> Stratum: 0 (unspecified)
> Precision: -23 (119.209ns per tick)
> Root Delay: 0.0000000s
> Root Dispersion: 0.0000000s
> ReferenceId: 0x00000000 (unspecified)
> Last Successful Sync Time: unspecified
> Source: Local CMOS Clock
> Poll Interval: 6 (64s)
>
> So, no deal.
It looks like one of five things. I would probably check the follow mostly non-
CIFSish thing on DC-1.mydomain.com and DC-2.mydomain.com
- Is the firewall not allowing NTP traffic through?
- Is the NTP server (usually chrony/NTPsec/NTPd) running?
- Is the NTP server configured correctly?
- Is there an issue with samba (signd process not running)?
- Is MS-Windows just being a pain in the butt?
-30-
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