On 2021-06-24, Jim Pennino wrote:
> Jim Pennino wrote:
>> I was checking the stability of a new USB GPS refclock on a server which
>> is configured to use the GPS, servers from the ntp pool, and another server
>> of mine that has a PPS GPS receiver.
>>
>> I noticed that almost all the pool
On 6/23/21 10:26 AM, Jim Pennino wrote:
It seems that any server in ntp.conf that is specified as a name, as
the pool servers are, will after a sufficiently long DNS outage just
disappear and not come back after the outage without restarting ntp.
It would seem to me that ntp should only need to
Jim Pennino wrote:
Anyway, the bottom line is that if the pool is your only source of time
and if there is a DNS failure for a sufficiently long time, you will
lilely not have any source of time afterwards.
That's what the 'pool' configuration keyword is for. If one of the pool
servers that
William Unruh wrote:
> On 2021-06-23, Jim Pennino wrote:
>> William Unruh wrote:
>>> On 2021-06-23, Jim Pennino wrote:
>>> ...
As for the USB GPS I was testing, it is called a VK-162 G-Mouse
available from Amazon for $14, uses the Windows 10 native driver so it
works with
William Unruh wrote:
> Certainly if it used the usb channel at its full speed, that should be
> fine. I always thought that gps ran at serial port speeds, but clearly
> that is not true.
Well, stty -F /dev/ACM0, which is where this puck shows up as opposed to
the generic /dev/USB0, says
William Unruh wrote:
> On 2021-06-23, Jim Pennino wrote:
> ...
>>
>> As for the USB GPS I was testing, it is called a VK-162 G-Mouse
>> available from Amazon for $14, uses the Windows 10 native driver so it
>> works with Meinberg ntp, and keeps the time within single digit
>> milliseconds
I was checking the stability of a new USB GPS refclock on a server which
is configured to use the GPS, servers from the ntp pool, and another server
of mine that has a PPS GPS receiver.
I noticed that almost all the pool servers had disappeared.
I then checked other machines that use my "good"
