Verify 2.8 freelist is upgrade-downgrade safe with 2.6

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    • Type: Task
    • Resolution: Done
    • Priority: Major - P3
    • 2.6.5, 2.7.8
    • Affects Version/s: None
    • Component/s: Storage
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    • Minor Change
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    • 3
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      Know issues:

      • If compact is run on a downgraded server (ran 2.8, now running 2.6), it will attempt to orphan the deleted list, but will not orphan the 2.8-only portion. If such a server was upgraded in the future, it would try to use deleted records in freed extents.
        • Solution: have 2.6 zero-out reserved bytes in NamespaceDetails when orphaning the deleted list during a compact.

            Assignee:
            Mathias Stearn
            Reporter:
            Mathias Stearn
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              Created:
              Updated:
              Resolved: