[jira] [Resolved] (CLOUDSTACK-9466) Upgrading to older CloudStack 4.0.x to 4.1.x causes sql contraint errors

["John Burwell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-9466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Burwell resolved CLOUDSTACK-9466.
--------------------------------------
    Resolution: Fixed

The fix for this issue has been merged to the 4.8, 4.9, and master branches.

> Upgrading to older CloudStack 4.0.x to 4.1.x causes sql contraint errors
> ------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9466
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9466
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Rohit Yadav
>            Assignee: Rohit Yadav
>             Fix For: 4.10.0.0, 4.9.1.0, 4.8.2.0
>
>
> In one of the upgrade tests, in one of the upgrade paths a key contraint error occurs due to missing entry in the migration:
> 2016-08-22 14:42:09,060 DEBUG [c.c.u.d.Upgrade410to420] (main:null) (logid:) Migrating NFS secondary storage to Image store
> 2016-08-22 14:42:09,080 DEBUG [c.c.u.d.Upgrade410to420] (main:null) (logid:) Marking NFS secondary storage in host table as removed
> 2016-08-22 14:42:09,099 DEBUG [c.c.u.d.Upgrade410to420] (main:null) (logid:) Completed migrating secondary storage to image store
> 2016-08-22 14:42:09,099 DEBUG [c.c.u.d.Upgrade410to420] (main:null) (logid:) Updating volume_store_ref table from volume_host_ref table
> 2016-08-22 14:42:09,114 ERROR [c.c.u.d.Upgrade410to420] (main:null) (logid:) Unable to migrate volume_host_ref.Cannot add or update a child row: a foreign key constraint fails (`cloud`.`volume_store_ref`, CONSTRAINT `fk_volume_store_ref__store_id` FOREIGN KEY (`store_id`) REFERENCES `image_store` (`id`) ON DELETE CASCADE)
> com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Cannot add or update a child row: a foreign key constraint fails (`cloud`.`volume_store_ref`, CONSTRAINT `fk_volume_store_ref__store_id` FOREIGN KEY (`store_id`) REFERENCES `image_store` (`id`) ON DELETE CASCADE)
> >---at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)       
> >---at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> >---at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> >---at java.lang.reflect.Constructor.newInstance(Constructor.java:526)    
> On analysis it was found that nfs storage that were removed were not migrated causing discrepancy in migrated data. Later when volumes/templates are migrated it causes sql constraint issues as the nfs sec storage it refers does not exist.



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