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From "Dag Sonstebo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-10168) VR duplicate entries in /etc/hosts when reusing VM name
Date Thu, 30 Nov 2017 19:33:00 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-10168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag Sonstebo updated CLOUDSTACK-10168:
--------------------------------------
    Summary: VR duplicate entries in /etc/hosts when reusing VM name  (was: VR does not housekeep
DNS entries, allowing for duplicates)

> VR duplicate entries in /etc/hosts when reusing VM name
> -------------------------------------------------------
>
>                 Key: CLOUDSTACK-10168
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10168
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.9.3.0
>         Environment: * ACS4.9.3 / CentOS7
> * KVM / ACS 4.9.3 / CentOS7
> * Isolated networks
>            Reporter: Dag Sonstebo
>
> Steps to recreate:
> * Create VM on isolated network.
> * Delete the VM
> * Create a new VM with same name.
> * Repeat this multiple times.
> Result:
> * DNS entries are not housekept, allowing for multiples.
> * DNSmasq name resolution also returns multiple entries.
> * /etc/hosts:
> {code}
> root@r-15-VM:~# cat /etc/hosts
> ff02::1    ip6-allnodes
> ff02::2    ip6-allrouters
> 10.1.1.230            R4VM1
> 10.1.1.208            R4VM2
> ::1           localhost ip6-localhost ip6-loopback
> 10.1.1.166            R4VM2
> 10.1.1.1 r-15-VM data-server
> 10.1.1.24              R4VM2
> 10.1.1.221            R4VM2
> 127.0.0.1              localhost r-15-VM
> {code}
> * Name resolving the R4VM2 name:
> {code}
> [root@R4VM1 ~]# nslookup r4vm2
> Server:                   10.1.1.1
> Address:                10.1.1.1#53
>  
> Name:   r4vm2.cs2cloud.internal
> Address: 10.1.1.221
> Name:   r4vm2.cs2cloud.internal
> Address: 10.1.1.208
> Name:   r4vm2.cs2cloud.internal
> Address: 10.1.1.166
> Name:   r4vm2.cs2cloud.internal
> Address: 10.1.1.24
> {code}



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