-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Saturday, 2011-02-19 at 08:58 -0500, Anton Aylward wrote: ...
Of course its totally irrelevant to me since I use the ntp daemon. I could probably get by if my hwclock battery ran out :-)
Actually, no :-) First, because all disk writes before the ntp daemon succeeds on boot will be wrong by some years, and second, because all your bios settings would be reset to defaults: bios settings are stored into a battery backed RAM which originally was in the same hw clock chip (the cmos clock). And probably your bios start up sequence would stop with a warning, too.
Since I'm running ntp (and it doesn't matter if its daemon or "-q" from cron) the "11 minute mode" applies and I don't have to worry about syncing system to hardware "manually".
Automatic is nice.
If you have a permanent network connection and ntp running, yes :-)
But then there is one other thing that matters in all this. What are the settings in your /etc/fstab?
Many people, especially those with laptops, mount files systems with noatime,nodiratime to reduce the disk activity. If you're not updating the access times than the clock doesn't matter, does it?
It would, actually, but the error the adjtime corrects is typically rather small. Once the system boots the hwclock is not relevant. It is the system clock that is used. Even if the clock is wrong by several minutes on boot, it doesn't matter for the typical system. Only if the system thought that the clock had gone backwards, it would be a problem, it would fsck the disk.
One other factor is 'anacron'. (go google) It can be set up to ensure that cron jobs with a small periodicity are not missed on systems that are not up continuously. This is an excellent way to ensure that 'ntpd -q' is run.
You can set it to run when network goes up. IIRC, the ip-up script had it. - -- Cheers, Carlos E. R. (from 11.2 x86_64 "Emerald" at Telcontar) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (GNU/Linux) iEYEARECAAYFAk1gO1UACgkQtTMYHG2NR9VzVgCfXDU3cKOC0oJuZsEZ3iYueErW XLUAn36SukYcx4lC42iRjS5Mw5csHQp7 =l7OF -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org