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From "Anthony Xu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CLOUDSTACK-6177) CS does XS master switch, which may cause weid XS behavior
Date Tue, 22 Apr 2014 17:34:17 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-6177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anthony Xu reassigned CLOUDSTACK-6177:
--------------------------------------

    Assignee: Anthony Xu  (was: Koushik Das)

> CS does XS master switch, which may cause weid XS behavior
> ----------------------------------------------------------
>
>                 Key: CLOUDSTACK-6177
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6177
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Hypervisor Controller
>    Affects Versions: 4.3.0
>         Environment: XS 6.2 with CS 4.3.0
>            Reporter: Anthony Xu
>            Assignee: Anthony Xu
>            Priority: Critical
>             Fix For: 4.4.0
>
>
> When XS master is down, CS uses pool-emergency-transition-to-master and pool-recover-slaves
API to choose a new master, this API is not safe, and should be only used in emergent situation,
this API may cause XS use a little bit old(5 minutes old) version of XS DB, some of object
may be missing in the old XS DB, which may cause weird behavior, you may not be able to start
VM.



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