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https://issues.apache.org/jira/browse/HDFS-12812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451162#comment-16451162
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Hudson commented on HDFS-12812:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
HDFS-12812. Ozone: dozone: initialize scm and ksm directory on cluster (xyao: 
rev 47149e7de86bf6545523e56da7bef015060f710a)
* (edit) dev-support/compose/ozone/docker-compose.yaml


> Ozone: dozone: initialize scm and ksm directory on cluster startup
> ------------------------------------------------------------------
>
>                 Key: HDFS-12812
>                 URL: https://issues.apache.org/jira/browse/HDFS-12812
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>             Fix For: HDFS-7240
>
>         Attachments: HADOOP-12812-HDFS-7240.001.patch, 
> HDFS-12812-HDFS-7240.002.patch
>
>
> HDFS-12739 fixed the scm, but after the patch it couldn't be started without 
> a separated `hdfs scm -init` any more. Unfortunatelly it breaks the 
> docker-compose functionality.
> This is handled int the starter script of the base runner docker image for 
> namenode. I also fixed this in the runner docker image 
> (https://github.com/elek/hadoop/commit/b347eb4bfca37d84dbcdd8c4bf353219d876a9b7)
>  will upload the improved patch to the HADOOP-14898.
> In this patch I just add a new environment variable to init the scm if the 
> version file doesn't exist.
> UPDATE: the patch also contains envrionment variable to initialize the ksm.
> To test:
> Do a full build and go to the dev-support/compose/ozone:
> ```
> docker-compose pull
> docker-compose up -d
> ```
> Note: the pull is important as the new docker image -- which could handle the 
> new environment variable -- should be used



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