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From GitBox <...@apache.org>
Subject [GitHub] [cloudstack] div8cn opened a new issue #3550: VR Loses Instance IP Address
Date Mon, 12 Aug 2019 17:39:03 GMT
div8cn opened a new issue #3550: VR Loses Instance  IP Address
URL: https://github.com/apache/cloudstack/issues/3550
 
 
   <!--
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   ##### ISSUE TYPE
   <!-- Pick one below and delete the rest -->
    * Bug Report
   
   
   ##### COMPONENT NAME
   <!--
   Categorize the issue, e.g. API, VR, VPN, UI, etc.
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   ~~~
   VR
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   ##### CLOUDSTACK VERSION
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   4.11.3
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   ##### CONFIGURATION
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   Information about the configuration if relevant, e.g. basic network, advanced networking,
etc.  N/A otherwise
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   ##### OS / ENVIRONMENT
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   ##### SUMMARY
   <!-- Explain the problem/feature briefly -->
   
   After the ACS is upgraded to 4.11.3, the VM on the shared network usually loses its IP
address (it cannot obtain an IP address in the guest VM).
   
   Analysis of the cloud.log in vr, we found that sometimes restarting or deleting the A VM
will cause the B VM to disappear in /etc/dhcphosts.txt.
   Because /etc/dhcphosts.txt is inconsistent with the data in /var/lib/misc/dnsmasq.leases.
This triggers delete_leases to remove the IP address of the B VM from the DHCP server.
   
   
   This bug should come from #3351
   ##### STEPS TO REPRODUCE
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   ##### ACTUAL RESULTS
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