On Tue, 2019-10-22 at 08:39 +0200, teg...@renget.se wrote: > Hi, > > have been using disk less machines extensively, and just recently > experienced a problem connected to the dhcp lease time. > > Initial contact is over dhcp (tied to mac address), but once the > machines boot over the nfs exported root file system static ip is > used (with the same address as initially used by dhcp). > > This strategy has previously worked without any issues, but recently, > when setting up a small experimental environment using older Dell > desktop machines I have noted that these machines fail when the lease > time for the dhcp server expires. > > This ONLY happens on the desktop machines - the server grade machines > I have used this far are not affected. > > By putting infinite lease time in dhcpd.conf the problem goes away - > but I still would like to understand why this happens on just some of > the machines. > > Regards, > /jon > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin > Computing > To change your subscription (digest mode or unsubscribe) visit https: > //beowulf.org/cgi-bin/mailman/listinfo/beowulf
Hejsan Tegner, It could be something as stupid as BIOS power management shutting down the NIC to save electricity. But then again, it could be a hardware profile in the OS that doesn't let you keep using the static IP from the root FS. Nothing in the logs? /tony -- Tony Albers - Systems Architect - IT Development Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark Tel: +45 2566 2383 - CVR/SE: 2898 8842 - EAN: 5798000792142 _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit https://beowulf.org/cgi-bin/mailman/listinfo/beowulf