[jira] [Created] (IGNITE-3405) IGFS: Do not allow DUAL -> PRIMARY -> DUAL modes interleaving.

[Anton Vinogradov (Jira)]

Vladimir Ozerov created IGNITE-3405:
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             Summary: 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: Ivan Veselovsky
            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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