Hello, I am trying to setup a reproducer for the mentioned issue. I have 2 machines acting as peers with the following versions:
# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal # dpkg -l |grep -i isc-dh ii isc-dhcp-client 4.4.1-2.1ubuntu5 amd64 DHCP client for automatically obtaining an IP address ii isc-dhcp-common 4.4.1-2.1ubuntu5 amd64 common manpages relevant to all of the isc-dhcp packages ii isc-dhcp-server 4.4.1-2.1ubuntu5 amd64 ISC DHCP server for automatic IP address assignment ===== Primary configuration: https://pastebin.ubuntu.com/p/XYj648MghK/ Secondary configuration: https://pastebin.ubuntu.com/p/PYkcshZCWK/ Started with: # dhcpd -f -d -4 -cf /etc/dhcp/dhcpd.conf --no-pid ens4 ---> Raised some DHCP requests to these servers. balanced pool 560b8c263f40 12 total 221 free 111 backup 110 lts 0 max-misbal 33 Sending updates to failover-partner. failover peer failover-partner: peer moves from recover-done to normal failover peer failover-partner: Both servers normal DHCPDISCOVER from 52:54:00:2d:53:93 via ens4 DHCPOFFER on 10.19.101.120 to 52:54:00:2d:53:93 (glistening-elephant) via ens4 DHCPREQUEST for 10.19.101.120 (10.19.101.236) from 52:54:00:2d:53:93 (glistening-elephant) via ens4 DHCPACK on 10.19.101.120 to 52:54:00:2d:53:93 (glistening-elephant) via ens4 DHCPREQUEST for 10.19.101.120 from 52:54:00:2d:53:93 (glistening-elephant) via ens4 DHCPACK on 10.19.101.120 to 52:54:00:2d:53:93 (glistening-elephant) via ens4 DHCPREQUEST for 10.19.101.121 from 52:54:00:53:a3:d8 (valiant-motmot) via ens4 DHCPACK on 10.19.101.121 to 52:54:00:53:a3:d8 (valiant-motmot) via ens4 --- failover peer failover-partner: Both servers normal balancing pool 5606b2c95f10 12 total 221 free 221 backup 0 lts -110 max-own (+/-)22 balanced pool 5606b2c95f10 12 total 221 free 221 backup 0 lts -110 max-misbal 33 balancing pool 5606b2c95f10 12 total 221 free 111 backup 110 lts 0 max-own (+/-)22 balanced pool 5606b2c95f10 12 total 221 free 111 backup 110 lts 0 max-misbal 33 DHCPDISCOVER from 52:54:00:2d:53:93 via ens4: load balance to peer failover-partner DHCPREQUEST for 10.19.101.120 (10.19.101.236) from 52:54:00:2d:53:93 via ens4: lease owned by peer So far (after 1.5h) no crash has been reported in any of the servers. Questions: 1) Anything missed from the provided configuration? 2) Is this load or concurrency related? meaning a specific amount of leases needs to be allocated for this crash to happen? I will take a look to an existing crash/coredump. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872118 Title: DHCP Cluster crashes after a few hours To manage notifications about this bug go to: https://bugs.launchpad.net/dhcp/+bug/1872118/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs