Details
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Bug
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Resolution: Fixed
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Major - P3
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None
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None
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Fully Compatible
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ALL
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v4.4
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Repl 2020-03-09
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50
Description
Shard server replica set nodes in binary version 4.4 start up in FCV 4.2 by default. If they are downgraded to a v4.2 binary, the node will crash when trying parse the config 'term' field on startup. We should not write the config 'term' field when these nodes start up in FCV 4.2.
Attachments
Issue Links
- is related to
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SERVER-47119 Config term does not get initialized until replSetReconfig is run
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- Closed
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- related to
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SERVER-31634 FeatureCompatibilityVersion::setIfCleanStartup() should store FCV=3.4 for shardsvrs
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- Closed
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SERVER-46288 Reconfig in 4.2 style with the current config on FCV downgrade
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- Closed
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