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https://issues.apache.org/jira/browse/HDDS-3499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098897#comment-17098897
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Marton Elek commented on HDDS-3499:
-----------------------------------
It seems to be possible (and easy and safe) to migrate content between
different column-families of different rocksdb store with the ldb store.
Question: do we need any more sophisticated tool, or it's enough to provide
instruction to use ldb?
> Address compatibility issue by SCM DB instances change
> ------------------------------------------------------
>
> Key: HDDS-3499
> URL: https://issues.apache.org/jira/browse/HDDS-3499
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Li Cheng
> Assignee: Marton Elek
> Priority: Blocker
>
> After https://issues.apache.org/jira/browse/HDDS-3172, SCM now has one single
> rocksdb instance instead of multiple db instances.
> For running Ozone cluster, we need to address compatibility issues. One
> possible way is to have a side-way tool to migrate old metadata from multiple
> dbs to current single db.
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