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Backwards Compatibility:
Fully Compatible
Sprint:
Repl 2018-02-12, Repl 2018-03-12, Repl 2018-03-26, Repl 2018-04-09, Storage NYC 2018-05-21
Case:
Confidence Status:
None
Work Order:
3

On clean shutdown when in FCV 3.6 a 4.0 binary must:

Additionally, a 4.0 binary running in FCV 3.6 should persist some state such that a 3.6 binary cannot startup on the datafiles following a crash.

depends on

WT-3906 Respect stable_timestamp in WT_CONNECTION::close

WT-4056 New API to configure a minimum compatibility version on open

has to be finished together with

WT-4029 Bump the log file version

is duplicated by

SERVER-30667 Recover to a Timestamp Up/Down Testing: Successful Upgrade/Downgrade Scenario

SERVER-30668 Recover To A Timestamp Up/Down Testing: Unclean Downgrade Attempt

is related to

SERVER-40954 Error message for UnrecoverableRollbackError in FCV 3.6 should recommend downgrading to 3.6

related to

SERVER-34630 Change WiredTiger compatibility version setting in 3.6 release

WT-3387 Add support for a stable timestamp

(1 is related to, 2 related to)