[SERVER-73277] Prevent downgrading to FCV lower than 7.0 when the catalog shard contains user data Created: 24/Jan/23  Updated: 29/Oct/23  Resolved: 16/Feb/23

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 7.0.0-rc0

Type: Task Priority: Major - P3
Reporter: Wenqin Ye Assignee: Wenqin Ye
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Problem/Incident
Backwards Compatibility: Fully Compatible
Participants:
Linked BF Score: 161

 Description   

It is expected that catalog shards will be supported in 7.0 and above. If the user downgrades to a FCV lower than 7.0, they will have no way to access the data on the config server that was previously a catalog shard. 



 Comments   
Comment by Githook User [ 16/Feb/23 ]

Author:

{'name': 'wenqinYe', 'email': 'wenqin908@gmail.com', 'username': 'wenqinYe'}

Message: SERVER-73277: Prevent downgrading to FCV lower than 7.0 when the catalog shard contains user data
Branch: master
https://github.com/mongodb/mongo/commit/c7348303489ddd5e6fbaf89fda55e33810023130

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