I am having big headache today. My first dhcp servers with failover went into some problem. This is due to unproper shutdown last night. Tenaga Nasional Berhad (TNB) should inform us that their maintenance took lot of time yesterday. As our UPS batteries is limited to 30-45 minutes, all servers died unexpectedly.
I have two dhcp server running side by side with failover mode. Next day, when everybody just started their working hours , i realized then the dhcp service for master server was down.
Tried to troubleshoot, I got this message over and over again. Quite dissappointed because the web is not helping and Uncle G lost his touch today.
Mar 11 19:53:13 ns3 dhcpd: failover peer dhcp-failover: I move from communications-interrupted to startup
Mar 11 19:53:13 ns3 kernel: [ 45.856222] dhcpd3[3869]: segfault at 0 ip b7ea329b sp bfd155b0 error 4 in dhcpd3[b7e82000+94000]
Much has been done. I reinstalled the service, fallback to old config, use vmware to fallback to previous states, but i failed.
Until 6 hours later i found the problem. The clock differs a lot. Such a little error and it have the service mess up. The date between the two servers differs 12 hours.
A very short command recovered the date correctly.
# sudo date 03111451
After that i restart the service and everything when to normal. Such a headache solved with the simplest command.
Posted by fadli 