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https://issues.apache.org/jira/browse/HDFS-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ewan Higgs updated HDFS-6708:
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Attachment: HDFS-6708.0004.patch
Attaching a patch that allows the token check to pass if any of the
StorageTypes on the DN are available. This is because a Datanode with only SSD
only needs to satisfy the SSD part of the request; not SSD and DISK since the
other DNs need to handle the DISK replicas.
This will be more obviously required when we check StorageIDs in HDFS-9807.
> StorageType should be encoded in the block token
> ------------------------------------------------
>
> Key: HDFS-6708
> URL: https://issues.apache.org/jira/browse/HDFS-6708
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: 2.4.1
> Reporter: Arpit Agarwal
> Assignee: Ewan Higgs
> Fix For: 3.0.0-alpha3
>
> Attachments: HDFS-6708.0001.patch, HDFS-6708.0002.patch,
> HDFS-6708.0003.patch, HDFS-6708.0004.patch
>
>
> HDFS-6702 is adding support for file creation based on StorageType.
> The block token is used as a tamper-proof channel for communicating block
> parameters from the NN to the DN during block creation. The StorageType
> should be included in this block token.
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