Details
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Bug
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Resolution: Done
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Critical - P2
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None
Description
What is the intent of the following sentence in the upgrade notes for v2.4?
If you complete the meta-data upgrade, you can have a mixed cluster that has both 2.2 and 2.4 mongod and mongos instances, if needed. However, do not create 2dsphere or text indexes in a cluster that has 2.2 components.
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It's not obviously consistent with the instructions that the cluster should be upgraded in a particular order (mongos, config servers, shard members).
If the note is only supposed to be about what's safe to downgrade (it's physically below a heading about downgrading), and is saying that the cluster may be downgraded in any order, or something to that effect, please clarify.