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From Sailaja Mada <>
Subject RE: Upgrade from 2.2.14 to 4.2 fails
Date Fri, 08 Nov 2013 09:39:22 GMT

I have observed " Duplicate column name 'hypervisor_version' "  only when I tried to restart
the Management server second time which was failed to start for the first time soon after
upgrade .

Analysis : 

The first script that gets executed during 2.2.14 to 4.2 is "/usr/share/cloudstack-management/setup/db/schema-2214to30.sql"
 . In this sql script , the first sql stmt is :
ALTER TABLE `cloud`.`host` ADD COLUMN `hypervisor_version` varchar(32) COMMENT 'hypervisor
version' AFTER hypervisor_type;

There is a possibility that the schema-2214to30.sql got executed already during the first
attempt of upgrade.  This would have created "hypervisor_version" column which resulted duplicate
entry failure during second attempt. 

Can you please check for Exceptions which were logged during first attempt of upgrade. 

Thanks ,

-----Original Message-----
From: Amin Samir [] 
Sent: 08 November 2013 12:56
Subject: Upgrade from 2.2.14 to 4.2 fails

I am new to cloudstack and I have an assignment to upgrade a current production environment
from 2.2.14 to 4.2, I follow the exact 4.2 release documentation and then the upgrade fails
the output of the log file states the following:

Duplicate column name 'hypervisor_version' &  Unable to execute upgrade script: /usr/share/cloudstack-management/setup/db/schema-2214to30.sql
& System integrity check failed. Refuse to startup

Could anyone help please with the aforementioned issue?
I am also not sure how to collaborate with the team is it the right way to send an inquiry
mail to or there are other ways to ask questions?
Amin SamirSystems Administrator 		 	   		  

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