[SERVER-38082] replica between different version in 3.X Created: 12/Nov/18  Updated: 16/Nov/21  Resolved: 12/Nov/18

Status: Closed
Project: Core Server
Component/s: Build
Affects Version/s: None
Fix Version/s: None

Type: Question Priority: Trivial - P5
Reporter: lee mingyu Assignee: Danny Hatcher (Inactive)
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:

 Description   

 

I try to upgrade/downgrade MongoDB version using replica set (rs.add command)
I tried many test but I am not sure if below method are correct method

I try to find official Doc but I did not find

in situation

master member : 3.4 binary (with featureCompatibilityVersion 3.4)

test 1: rs.add (with 3.6 binary (with featureCompatibilityVersion 3.4)
test 2: rs.add (with 3.2 binary )

master member : 3.2 binary (with featureCompatibilityVersion 3.2)

test 1: rs.add (with 3.4 binary (with featureCompatibilityVersion 3.2)
test 2: rs.add (with 3.6 binary (with featureCompatibilityVersion 3.2)

 



 Comments   
Comment by Danny Hatcher (Inactive) [ 12/Nov/18 ]

Hello,

Our documentation has the upgrade process for every version. For example, here is the documentation for upgrading a Replica Set to 3.6. Please note that you *must not* skip major versions while upgrading. In order to upgrade from 3.2 to 3.6, you need to first upgrade everything from 3.2 to 3.4 and then upgrade from 3.4 to 3.6.

Thank you very much,

Danny

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