Hi, Ozhan. MACs are not removed upon vm removal, but they are overriden upon vm creation with same ip (or same hostname). It should work fine, 4.10, 4.11 received 2 PRs to fix several possible bugs. I tested the case when IP is reused.
22 янв. 2018 г. 16:07 пользователь "Özhan Rüzgar Karaman" < oruzgarkara...@gmail.com> написал: Hi; Today we noticed that one of our new provisioned instance did not get IP from VR. When we dig into the issue we find that one different mac is written in dnsmasq.leases file holds new instances IP address. We checked this mac address from db and we noticed that this mac is used for old expunged instance. So from this point we realised that when we destroy an instance its mac did not removed from dnsmasq.leases file so if we use this ip for a new instance then we have a problem, our instance could not get IP from VR. We have one host on our lab environment and its Ubuntu 16.04.3 KVM. Today we made a HA test and we crashed the host so VR and SystemVM's are rebooted after we boot host back. I do not think this issue is related to VR reboot but i like to give information about our environment. We need to manage dnsmasq.leases file when we expunge an instance. Thanks Özhan Logs are below: root@r-4-VM:/var/lib/misc# tail -4 /var/log/dnsmasq.log Jan 22 08:57:27 dnsmasq-dhcp[850]: not using configured address 192.168.18.186 because it is leased to 1e:00:25:00:00:b9 Jan 22 08:57:27 dnsmasq-dhcp[850]: DHCPDISCOVER(eth0) 1e:00:00:00:00:b9 no address available Jan 22 08:57:29 dnsmasq-dhcp[850]: not using configured address 192.168.18.187 because it is leased to 1e:00:80:00:00:ba Jan 22 08:57:29 dnsmasq-dhcp[850]: DHCPDISCOVER(eth0) 1e:00:9f:00:00:ba no address available root@r-4-VM:/var/lib/misc# cat /etc/dhcphosts.txt 1e:00:9f:00:00:ba,192.168.18.187,test411rc1mac,736h 1e:00:00:00:00:b9,192.168.18.186,sil3sameip,733h 1e:00:96:00:00:bf,192.168.18.192,TolgaTest02,707h 1e:00:90:00:00:bc,192.168.18.189,TolgaTest,758h 1e:00:40:00:00:bb,192.168.18.188,test411rc1,750h root@r-4-VM:/var/lib/misc# cat /var/lib/misc/dnsmasq.leases 1519339727 1e:00:25:00:00:b9 192.168.18.186 sil3sameip * 1519331409 1e:00:40:00:00:bb 192.168.18.188 test411rc1 * 1518921177 1e:00:80:00:00:ba 192.168.18.187 test411rc1mac * 1518904275 1e:00:90:00:00:bc 192.168.18.189 TolgaTest * 1519023297 1e:00:96:00:00:bf 192.168.18.192 TolgaTest02 * mysql> select name,state,private_mac_address,private_ip_address from vm_instance; +---------------+-----------+---------------------+--------------------+ | name | state | private_mac_address | private_ip_address | +---------------+-----------+---------------------+--------------------+ | s-1-VM | Running | 1e:00:34:00:01:00 | 172.16.50.143 | | v-2-VM | Running | 1e:00:81:00:01:03 | 172.16.50.146 | | Tolga | Expunging | 1e:00:50:00:00:bc | 192.168.18.189 | | r-4-VM | Running | 0e:00:a9:fe:03:0e | 169.254.3.14 | | Tolga02 | Expunging | 1e:00:b4:00:00:bf | 192.168.18.192 | | Tolga03 | Expunging | 1e:00:99:00:00:bb | 192.168.18.188 | | deneme | Expunging | 1e:00:80:00:00:ba | 192.168.18.187 | | snpvmtolga02 | Expunging | 1e:00:69:00:00:b9 | 192.168.18.186 | | TolgaTest | Stopped | 1e:00:90:00:00:bc | 192.168.18.189 | | TolgaTest02 | Stopped | 1e:00:96:00:00:bf | 192.168.18.192 | | test411rc1 | Running | 1e:00:40:00:00:bb | 192.168.18.188 | | test411rc1mac | Running | 1e:00:9f:00:00:ba | 192.168.18.187 | | sil1 | Expunging | 1e:00:25:00:00:b9 | 192.168.18.186 | | sil2sameip | Expunging | 1e:00:14:00:00:b9 | 192.168.18.186 | | sil3sameip | Running | 1e:00:00:00:00:b9 | 192.168.18.186 | +---------------+-----------+---------------------+--------------------+ 15 rows in set (0.00 sec)
