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https://issues.apache.org/jira/browse/CLOUDSTACK-512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629932#comment-13629932
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Wei Zhou commented on CLOUDSTACK-512:
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The patch https://reviews.apache.org/r/9882/ resolved it.
However, I think it is better change it to:
sed -i /"$ip "/d $HOSTS
sed -i /" $host "/d $HOSTS (should add space before $host)
echo "$ip $host " >> $HOSTS
or
sed -i /"$ip "/d $HOSTS
sed -i /" $host$"/d $HOSTS (should add space before $host, change space to
$ at EOL)
echo "$ip $host" >> $HOSTS (remove space at EOL)
> remove hostname in a virtual router's DNS service, after expunging VM
> ---------------------------------------------------------------------
>
> Key: CLOUDSTACK-512
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-512
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Network Controller
> Affects Versions: pre-4.0.0
> Reporter: Choonho Son
> Assignee: Wei Zhou
>
> The domain name of guest VM is not deleted, even though the guest VM is
> expunged.
> Scenario:
> 1. Deploy VirtualMachine with hostname "head1"
> 2. Delete "head1" VirtualMachine
> 3. Deploy VirtualMachine with hostname "head1"
> 4. Delete "head1" VirtualMachine
> ...
> After repeating this process, ask ip address of "head1"
> nslookup head1
> The result looks like
> [root@repo src-conf]# nslookup head1
> Server: 172.27.0.1
> Address: 172.27.0.1#53
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.114.224
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.110.235
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.182.109
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.76.251
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.196.212
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.116.53
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.35.214
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.248.170
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.33.158
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.116.64
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.71.218
> Name: head1.cs82epc-dev.ucloud.com
> Address: 172.27.65.181
> Problem:
> - Other guest VM cannot connect "head1" VM using domain name,
> - Because only one IP address is valid.
>
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