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https://issues.apache.org/jira/browse/SOLR-4830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662954#comment-13662954
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Jan Høydahl commented on SOLR-4830:
-----------------------------------

Hi Johannes.

After discussing this issue last week I asked you to report it as a bug. But 
looking more closely at the config, the behavior appears to have another reason.

The solution is simply to define {{persistent="true"}} on the {{<solr>}} tag in 
{{solr.xml}} for each of the nodes.

What happens if persistent=false, is that the node will happily host the new 
collection/core initially, but will never persist knowledge about it to 
solr.xml. So at next startup it will still only startup the "yp" core which was 
pre-defined in solr.xml.

Note that the practice of persisting the list of cores in solr.xml will 
disappear in Solr 4.4, when a new solr.xml format with auto core-discovery is 
taking over.

I will close this issue, unless you still believe there is a bug somewhere
                
> Node doesn't recover properly after fail, when running multiple collections 
> on same nodes with ZooKeeper
> --------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4830
>                 URL: https://issues.apache.org/jira/browse/SOLR-4830
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 4.3
>            Reporter: Johannes Henrysson
>         Attachments: pic1 - killed machine.png, pic2 - machine down.png, pic3 
> - end of test.png
>
>
> Created 3 collections (yp, test, hubba) with 2 shards each, on 4 nodes. So 
> all 3 collections used same nodes.
> This worked out quite nice, until I tested to kill one node. When trying to 
> recover, only first collection worked out. The node stayed as down on the 
> other to.

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