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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9730) Storage ID update does not happen when there is a layout change
Date Thu, 04 Feb 2016 19:16:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15132822#comment-15132822

Kihwal Lee commented on HDFS-9730:

No need to do manual testing anymore. HDFS-9739 fixed the bug of making {{TestDatanodeStartupFixesLegacyStorageIDs}}

The precommit says not this test case is fixed by your patch.
testUpgradeFrom22FixesStorageIDs	0.76 sec	Fixed
testUpgradeFrom22via26FixesStorageIDs	3.8 sec		Passed
testUpgradeFrom26PreservesStorageIDs	0.76 sec	Passed

+1 The patch looks good.

> Storage ID update does not happen when there is a layout change
> ---------------------------------------------------------------
>                 Key: HDFS-9730
>                 URL: https://issues.apache.org/jira/browse/HDFS-9730
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Kihwal Lee
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: h9730_20160202.patch, h9730_20160203.patch
> HDFS-9654 will cause test failures when we increment the datanode layout version next
> {noformat}
> TestDatanodeStartupFixesLegacyStorageIDs#testUpgradeFrom22via26FixesStorageIDs
> TestDatanodeStartupFixesLegacyStorageIDs#testUpgradeFrom22FixesStorageIDs
> {noformat}
> This is because createStorageID() is no longer called when it goes through the layout
upgrade path. 

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