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https://issues.apache.org/jira/browse/IGNITE-3405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov closed IGNITE-3405.
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> IGFS: Do not allow DUAL -> PRIMARY -> DUAL modes interleaving.
> --------------------------------------------------------------
>
>                 Key: IGNITE-3405
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3405
>             Project: Ignite
>          Issue Type: Bug
>          Components: IGFS
>    Affects Versions: 1.6
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>            Priority: Critical
>             Fix For: 1.7
>
>
> Currently we allow almost any combinations of path modes. This appears to be 
> wrong. Consider the following scenario:
> 1) /dir1 -> PRIMARY
> 2) /dir1/dir2 -> DUAL
> It is impossible to support this scenario properly because {{dir1}} will be 
> created in both file systems anyway, but primary and secondary representation 
> will be "detached" from each other.
> Instead, we should allow only DUAL -> PRIMARY and DUAL -> PROXY transitions. 
> Any other combinations doesn't make sense.



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