[SERVER-10999] Weird log messages " [rsGhostSync] couldn't percolate slave 4fe7016e911012a1eb33aa1f no entry" Created: 02/Oct/13  Updated: 11/Jul/16  Resolved: 04/Nov/13

Status: Closed
Project: Core Server
Component/s: Replication
Affects Version/s: 2.0.5, 2.4.6
Fix Version/s: None

Type: Question Priority: Major - P3
Reporter: Vitaly Karasik Assignee: Unassigned
Resolution: Done Votes: 0
Labels: replicaset
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

RHEL5/6


Participants:

 Description   

I have a dataset from 3 MongoDB 2.0 nodes, yesterday I added two new secondaries (Mongo 2.4.6). On one of them I see many log messages likes this:

[rsGhostSync] couldn't percolate slave 4fe7016e911012a1eb33aa1f no entry

  • Is it info or error message?
  • What does it mean?
  • Why I see this just on one server?

TIA,
Vitaly



 Comments   
Comment by Vitaly Karasik [ 02/Oct/13 ]

Scott,
Thank you for your answer.
Unfortunately, I didn't see any clear statement regarding mixing different server versions on one dataset into MongoDB docs. (I mean for non-sharded cluster)
I didn't plan to upgrade my current master mongodb server, running 2.0, I'll retire it after switchover to the new 2.4.6 master.
But I'm not ready to migrate master because weird messages into myjbosses https://jira.mongodb.org/browse/JAVA-985 .

Comment by Scott Hernandez (Inactive) [ 02/Oct/13 ]

Please finish your upgrade to 2.4.6 on all your nodes, to see if the message goes away. Running with 2.0.x nodes and 2.4.6 in the same replica set is not stable nor a supported configuration.

Please follow the upgrade process for 2.0.x -> 2.2.x -> 2.4.x as described here:
http://docs.mongodb.org/manual/release-notes/2.2/#upgrading-a-replica-set
http://docs.mongodb.org/manual/release-notes/2.4-upgrade/#upgrade-a-replica-set-from-mongodb-2-2-to-mongodb-2-4

In the future please use the mongodb-user forum (https://groups.google.com/forum/#!forum/mongodb-user) to ask questions and look for answers, which will include the community. This jira project is for filing bugs and feature requests.

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