Joseph Gwinn <[EMAIL PROTECTED]> writes:
>In article <[EMAIL PROTECTED]>,
> [EMAIL PROTECTED] (Hal Murray) wrote:
>> >I'm not a sysadmin, but am digging into service. I don't recall that
>> >the service man page was that helpful, but will look again.
>>
>> service is mostly a shortcut to save
A question has arisen in another group-- What happens if, when ntp starts
up, the remoter server is unavailable ( eg no DNS or no connection)?
This is highly likely to be the case for a laptop for example, where the
connection with the local network is only brought up by the user after a
while, or
Hello,
I am conducting research with TDMA on a wired emulated network. I
want all of the machines in the experiment to have the same time.
Ideally, the maximum offset would be on the order of 100 micro-
seconds. The machines are connected by a 1 Gbps LAN so delay is not a
problem. Additionally
On 2008-09-11, Bill Unruh <[EMAIL PROTECTED]> wrote:
> A question has arisen in another group-- What happens if, when ntp starts
> up, the remoter server is unavailable ( eg no DNS or no connection)?
> This is highly likely to be the case for a laptop for example, where the
> connection with the l
I just want to clarify something. ntpdc can be used to check on the
offset from the peer, right? What is the smallest offset in clocks
that I can expect on a 1 Gbps LAN?
Thanks
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On 2008-09-11, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> I just want to clarify something. ntpdc can be used to check on the
> offset from the peer, right?
ntpq is the recommended diagnostic tool.
'ntpq -p hostname' returns a billboard which shows that ntpd's view of
its time sources. If y
On 2008-09-11, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> I am conducting research with TDMA on a wired emulated network. I want
> all of the machines in the experiment to have the same time.
[snip]
> Additionally, I don't care about the correctness of the clock compared
> to global time.
T
[EMAIL PROTECTED] wrote:
> I just want to clarify something. ntpdc can be used to check on the
> offset from the peer, right? What is the smallest offset in clocks
You cannot find out the offset from the peer; to do that you need to
synhronise an independent clock to an order of magnitude bette
Nottorf, Stefan wrote:
> remote refid st t when poll reach delay offset jitter
>
> ==
> *10.x.y.z .PPS.1 u 338 1024 377 0.454 -1.559 0.078
> name1.name 10.x.y.z 2 u 471 1024 376 0.209 1.763 0.09
Sami al flaish wrote:
>
> I have a problem with the NTP.
> 1- I am using machine where the timezone set to (GMT) Casablanca
> mandatory.
Morocco is no longer on GMT in Summer. As well as ensuring that
the machines are configured for the correct timezone, you will need to make
sure you hav
Dave Close wrote:
>
> What I haven't found while reading is how it is possible for a server to
> be both reachable and rejected. Note that the reject condition is not
That's quite easy, but I can't see a case which applies here (using a
not recently synchronised w32time server (NAT would make n
David Woolley wrote:
> Depends on interrupt latency, network loading, the total lack of any
> Windows machines in the time synchronisation chain, etc. 100ns should
> be possible for lightly loaded machines on a lightly loaded network, at
> least 90% of the time.
Sorry. I got 100 microseconds
Thank you for the responses. I just have a few small clarification
questions.
I have used ntpdc and ntpq on the same machine that tries to synch
with an
ntp server (192.168.0.4). The ntp server uses its own system clock
which is
not disciplined (need to figure out how to do that). I am curious a
On Sep 11, 3:06 pm, David Woolley
<[EMAIL PROTECTED]> wrote:
> David Woolley wrote:
> > Depends on interrupt latency, network loading, the total lack of any
> > Windows machines in the time synchronisation chain, etc. 100ns should
> > be possible for lightly loaded machines on a lightly loaded net
[EMAIL PROTECTED] wrote:
> I have used ntpdc and ntpq on the same machine that tries to synch
> with an
> ntp server (192.168.0.4). The ntp server uses its own system clock
> which is
> not disciplined (need to figure out how to do that). I am curious as
> to why
> the reported offsets are differ
> I am interested in getting a GPS clock to synchronize our internal
>test network. I am curious to hear about relativley cheap and Linux
>friendly GPS clock. (Less than $100 would be great)
The Garmin GPS 18 LVC is popular. "Some assembly required."
(aka soldering) No big deal if somebody h
Hello,
I am interested in getting a GPS clock to synchronize our internal
test network. I am curious to hear about relativley cheap and Linux
friendly GPS clock. (Less than $100 would be great)
Thanks in advance
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[EMAIL PROTECTED] wrote:
> Hello,
>I am conducting research with TDMA on a wired emulated network. I
> want all of the machines in the experiment to have the same time.
> Ideally, the maximum offset would be on the order of 100 micro-
> seconds. The machines are connected by a 1 Gbps LAN so d
On Sep 11, 4:54 pm, [EMAIL PROTECTED] (Hal
Murray) wrote:
> > I am interested in getting a GPS clock to synchronize our internal
> >test network. I am curious to hear about relativley cheap and Linux
> >friendly GPS clock. (Less than $100 would be great)
>
> The Garmin GPS 18 LVC is popular. "S
Hal Murray wrote:
>> I am interested in getting a GPS clock to synchronize our internal
>> test network. I am curious to hear about relativley cheap and Linux
>> friendly GPS clock. (Less than $100 would be great)
>
> The Garmin GPS 18 LVC is popular. "Some assembly required."
> (aka soldering
On 2008-09-12, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> On Sep 11, 4:54 pm, (Hal Murray) wrote:
>
>> > I am interested in getting a GPS clock to synchronize our
>> >internal test network. I am curious to hear about relativley cheap
>> >and Linux friendly GPS clock. (Less than $100 would be
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