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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 9.0.0-rc0
Affects Version/s: None
Component/s: None
Labels:
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Assigned Teams:

Catalog and Routing
Backwards Compatibility:
Fully Compatible
Sprint:
CAR Team 2026-05-25, CAR Team 2026-06-08
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

During FCV upgrade, the uuid fields in config.shards should be set (when these do not exist yet; consider the case in which downgrade has happened and we are re-upgrading). UUID values should be then consistently applied to the shard identities on each shard.

depends on

SERVER-127336 Add an optional UUID field to the schemas of config.shards and ShardIdentity doc

Closed

related to

SERVER-127764 Implement ShardsvrOpObserver logic to react to the creation/deletion of UUID fields in shard identity documents

In Code Review

Assignee:: Paolo Polato
Reporter:: Allison Easton
Participants:: Allison Easton, Githook User, Paolo Polato
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: May 18 2026 06:49:26 AM UTC
Updated:: Jun 01 2026 10:34:57 AM UTC
Resolved:: Jun 01 2026 10:26:04 AM UTC

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