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https://issues.apache.org/jira/browse/SOLR-10878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073963#comment-16073963
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Andrzej Bialecki  commented on SOLR-10878:
------------------------------------------

[~mkhludnev]: fixed, thanks!

> MOVEREPLICA command may lose data when replicationFactor==1
> -----------------------------------------------------------
>
>                 Key: SOLR-10878
>                 URL: https://issues.apache.org/jira/browse/SOLR-10878
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 6.6, 7.0, 6.7
>            Reporter: Andrzej Bialecki 
>            Assignee: Andrzej Bialecki 
>             Fix For: 7.0, 6.7
>
>
> Follow-up to SOLR-10704, a similar scenario occurs in {{MoveReplicaCmd}} when 
> replication factor is 1 - the only copy of the source replica may be deleted 
> while the target replica is still recovering.
> Also, even when replicationFactor > 1 but the only remaining replicas are of 
> the PULL type then leader election won't be able to find any replica to 
> become a leader for this shard, which will result in effective data loss for 
> that shard.



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