[SERVER-8925] Add --downgrade option Created: 09/Mar/13  Updated: 19/Mar/13  Resolved: 09/Mar/13

Status: Closed
Project: Core Server
Component/s: Admin, Storage
Affects Version/s: 2.4.0-rc2
Fix Version/s: None

Type: Improvement Priority: Critical - P2
Reporter: Scott Hernandez (Inactive) Assignee: Unassigned
Resolution: Won't Fix Votes: 0
Labels: pdfile, version-0.2
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Participants:

 Description   

The downgrade option should reduce the pdfile version on all databases which have been upgraded and remove all updated structures, (any text/2dsphere indexes) so that the databases can be started/used with 2.2.x without error. This option will not need to do a repair for a downgrade from 2.4 for example.

The current workaround is to run repair on the downgraded binaries (so 2.2.x for a downgrade from 2.4.x) which implies that the previous version can read and do a repair on the newer file format (higher pdfile version) which is a confusing and unexpected behavior.



 Comments   
Comment by Eliot Horowitz (Inactive) [ 09/Mar/13 ]

was discussed, and don't think it makes sense

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