[SERVER-69354] Dowgrade 4.4 -> 4.2 -> 4.0 not working Created: 01/Sep/22 Updated: 27/Oct/23 Resolved: 07/Sep/22 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | 4.4.15 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Aldo Bongio | Assignee: | Yuan Fang |
| Resolution: | Works as Designed | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Operating System: | ALL | ||||||||||||
| Steps To Reproduce: | This script based on MongoDB on Docker reproduces the issue. In summary:
The script can be easily adapted to different paths, you just have to adjust versions and fcv. I successfully tried the following paths:
I've read https://jira.mongodb.org/browse/SERVER-55313 and its 2nd comment, but it doesn't seem my case (please correct me if I'm wrong): |
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| Description |
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Performing an upgrade 4.0 -> 4.2 -> 4.4 works. Trying to revert to 4.0 produces the following error when the 4.0 starts:
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| Comments |
| Comment by Yuan Fang [ 06/Sep/22 ] |
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Thanks for reporting the issue that occurred during downgrading. Please note that downgrading multiple major versions (e.g. 4.4 to 4.2 to 4.0) is not supported, thus any techniques that try to fulfill this use-case have no guarantee of working. Additionally, MongoDB version 4.0 reached the end of life in April 2022 and is no longer supported and our general guidance is to avoid downgrading to an unsupported version. Regards, Yuan |