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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-8993) DHCP fails with "no address available" when an IP is reused
Date Wed, 28 Oct 2015 08:49:27 GMT


ASF GitHub Bot commented on CLOUDSTACK-8993:

Github user serbaut commented on the pull request:
    In our environment it was really easy to reproduce.
    * Deploy instance 1, got IP
    * Delete and expunge instance 1
    * Deploy instance 2, got IP
    /etc/dhcphosts.txt now looked like
    And ndsmasq failed with a warning about duplicates and "no address available".
    I am still trying to get marvin tests inside devcloud to work. Is there a way to reach
you if I need assistance. Are the tests i tried to run above ( supposed
to work or are the deprecated?

> DHCP fails with "no address available" when an IP is reused
> -----------------------------------------------------------
>                 Key: CLOUDSTACK-8993
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: SystemVM
>    Affects Versions: 4.6.0
>            Reporter: Joakim Sernbrant
> CsDhcp.process() appends new entries to /etc/dhcphosts.txt causing duplicates like:
> {code}
> 06:49:14:00:00:4d,,node1,infinite
> 06:42:b0:00:00:3a,,node2,infinite
> {code}
> This makes dnsmasq fail with "no address available".
> CsDhcp.process() should repopulate the file to remove old entries with the same IP address.

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