[SERVER-30010] propagate UUID from donor shard to recipient shard on _recvChunkStart Created: 06/Jul/17  Updated: 30/Oct/23  Resolved: 02/Aug/17

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: 3.5.9
Fix Version/s: 3.5.11

Type: Task Priority: Major - P3
Reporter: Esha Maharishi (Inactive) Assignee: Esha Maharishi (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Sprint: Sharding 2017-07-10, Sharding 2017-07-31, Sharding 2017-08-21
Participants:

 Description   

If the recipient shard is in fcv=3.6, it should fail if the donor shard's listCollections response does not contain UUIDs (i.e., ban migrations between fcv=3.4 and fcv=3.6 shards. This should be ok, since the balancer should be turned off during upgrade anyway?).

Just need to extract the UUID from the listCollections 'info' field.



 Comments   
Comment by Githook User [ 10/Aug/17 ]

Author:

{'email': 'esha.maharishi@mongodb.com', 'name': 'Esha Maharishi'}

Message: SERVER-30010 propagate UUID from donor shard to recipient shard on _recvChunkStart
Branch: master
https://github.com/mongodb/mongo/commit/c20dda66bdc9146d10eec4851a6b9314cd3eee00

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