Re: [ntp:questions] problem with ntpd refclock and pps via parallel port

David Lord wrote: David Lord wrote: problem with ntpd refclock and pps via parallel port Hi on system A I had type 22 pps working ok from pps at ttl level to DCD of serial port. This was a bit erratic and temperature sensitive possibly due to mismatch of ttl/rs232 levels. on system B, rathe

Re: [ntp:questions] problem with ntpd refclock and pps via parallel port

David Lord wrote: problem with ntpd refclock and pps via parallel port Hi on system A I had type 22 pps working ok from pps at ttl level to DCD of serial port. This was a bit erratic and temperature sensitive possibly due to mismatch of ttl/rs232 levels. on system B, rather than add complica

[ntp:questions] problem with ntpd refclock and pps via parallel port

problem with ntpd refclock and pps via parallel port Hi on system A I had type 22 pps working ok from pps at ttl level to DCD of serial port. This was a bit erratic and temperature sensitive possibly due to mismatch of ttl/rs232 levels. on system B, rather than add complication of ttl=>rs232

Re: [ntp:questions] Timekeeping broken on Windows XP with multimedia timer enabled (-M option)

"Terje Mathisen" <"terje.mathisen at tmsw.no"> wrote in message news:j2sg37-6ja2@ntp.tmsw.no... [] My tmsw.dyndns.org S1 server (FreeBSD 8, Garmin 18LVC on the roof) is a very old Dell Latitude laptop sitting in my (cold) attic. The hard drive doesn't need to run very often at all, except

Re: [ntp:questions] Timekeeping broken on Windows XP with multimedia timer enabled (-M option)

David J Taylor wrote: "George White" wrote in message gives the status of freeBSD on the EeePC. What I'm not sure about is the long-term supply of replacement batteries. Again, batteries wouldn't matter here. But I think it's the router-like form factor I wou

Re: [ntp:questions] Timekeeping broken on Windows XP with multimedia timer enabled (-M option)

"George White" wrote in message news:pine.gso.4.64.1001301646190.3...@halifax.chebucto.ns.ca... [] I'm not happy about leaving a laptop on 24 hours a day, in any case. We do it routinely. Laptops are very commonly used to control instruments and log data on oceanographic vessels. One benefi

Re: [ntp:questions] NTP servers redundancy

Rob wrote: Danny Mayer wrote: Ryan Malayter wrote: On Tue, Jan 19, 2010 at 3:57 PM, Rob wrote: Compare it with a RAID-1 disk system. Â When one disk has an unreadable sector, the situation is clear: use the sector from the other disk. When both disks are readable but return different data, y

Re: [ntp:questions] NTP servers redundancy

Danny Mayer wrote: > Ryan Malayter wrote: >> On Tue, Jan 19, 2010 at 3:57 PM, Rob wrote: >>> Compare it with a RAID-1 disk system. Â When one disk has an unreadable >>> sector, the situation is clear: use the sector from the other disk. >>> When both disks are readable but return different data,

Re: [ntp:questions] Client doesn't drop failed source

Danny Mayer wrote: How many connections do you think it takes to overwelm a server? Even on an idle connection TCP normally requires at least a minute of timeout If you enable keep alives, the default timeout is several hours. If you don't enable keepalives, there is no idle traffic at all.