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https://issues.apache.org/jira/browse/HDFS-11968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173700#comment-16173700
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Surendra Singh Lilhore commented on HDFS-11968:
-----------------------------------------------
Please handle some more comments
1. No need of adding new methods in {{BlockStoragePolicySpi}}. Remove these
methods.
{code}
/**
+ byte getId();
+
+ byte getRealId();
{code}
2. Please don't change any code which is not related to this patch, like
{code}
- AdminHelper.printUsage(false, "storagepolicies", COMMANDS);
+ AdminHelper
+ .printUsage(false, "storagepolicies", COMMANDS);
{code}
3. {{InodeTree.java}} changes is not required.
> ViewFS: StoragePolicies commands fail with HDFS federation
> ----------------------------------------------------------
>
> Key: HDFS-11968
> URL: https://issues.apache.org/jira/browse/HDFS-11968
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 2.7.1
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Attachments: HDFS-11968.001.patch, HDFS-11968.002.patch,
> HDFS-11968.003.patch, HDFS-11968.004.patch, HDFS-11968.005.patch,
> HDFS-11968.006.patch, HDFS-11968.007.patch
>
>
> hdfs storagepolicies command fails with HDFS federation.
> For storage policies commands, a given user path should be resolved to a HDFS
> path and
> storage policy command should be applied onto the resolved HDFS path.
> {code}
> static DistributedFileSystem getDFS(Configuration conf)
> throws IOException {
> FileSystem fs = FileSystem.get(conf);
> if (!(fs instanceof DistributedFileSystem)) {
> throw new IllegalArgumentException("FileSystem " + fs.getUri() +
> " is not an HDFS file system");
> }
> return (DistributedFileSystem)fs;
> }
> {code}
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