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https://issues.apache.org/jira/browse/HDFS-15221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061820#comment-17061820
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Íñigo Goiri commented on HDFS-15221:
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Sorry for asking for so many changes but I think we are almost there.
The essence of the text is correct; a few minor grammar/text changes:
{code}
Sometimes, users can setup the DataNode data directory to point to multiple
volumes with different storage types. It is important to check if the volume is
mounted correctly before initializing the storage locations. The user has the
option to enforce the filesystem for a storage key with the following key:
{code}
Regarding the key, itself, I think is confusing to use the lower case, I think
it should be something like "dfs.datanode.storagetype.ARCHIVE.filesystem".
Otherwise it can be tough to follow.
> Add checking of effective filesystem during initializing storage locations
> --------------------------------------------------------------------------
>
> Key: HDFS-15221
> URL: https://issues.apache.org/jira/browse/HDFS-15221
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Minor
> Attachments: HDFS-15221-002.patch, HDFS-15221-003.patch,
> HDFS-15221-004.patch, HDFS-15221-005.patch, HDFS-15221-006.patch,
> HDFS-15221-007.patch, HDFS-15221-008.patch, HDFS-15221.patch
>
>
> We sometimes mount different disks for different storage types as the storage
> location. It's important to check the volume is mounted rightly before
> initializing storage locations.
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