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<title>Uses of Interface org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi (Apache Hadoop HDFS 3.3.1 API)</title>
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<h2 title="Uses of Interface org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi" class="title">Uses of Interface<br>org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi</h2>
</div>
<div class="classUseContainer">
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hdfs.server.datanode">org.apache.hadoop.hdfs.server.datanode</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.hdfs.server.datanode.checker">org.apache.hadoop.hdfs.server.datanode.checker</a></td>
<td class="colLast">
<div class="block">Datanode support for running disk checks.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hdfs.server.datanode.fsdataset">org.apache.hadoop.hdfs.server.datanode.fsdataset</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.hdfs.server.datanode.fsdataset.impl">org.apache.hadoop.hdfs.server.datanode.fsdataset.impl</a></td>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList">
<ul class="blockList">
<li class="blockList"><a name="org.apache.hadoop.hdfs.server.datanode">
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</a>
<h3>Uses of <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a> in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/package-summary.html">org.apache.hadoop.hdfs.server.datanode</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/package-summary.html">org.apache.hadoop.hdfs.server.datanode</a> that return <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></code></td>
<td class="colLast"><span class="typeNameLabel">DirectoryScanner.ScanInfoVolumeReport.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.ScanInfoVolumeReport.html#getVolume--">getVolume</a></span>()</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/package-summary.html">org.apache.hadoop.hdfs.server.datanode</a> with parameters of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBuilder.html" title="class in org.apache.hadoop.hdfs.server.datanode">ReplicaBuilder</a></code></td>
<td class="colLast"><span class="typeNameLabel">ReplicaBuilder.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBuilder.html#setFsVolume-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-">setFsVolume</a></span>(<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;volume)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">LocalReplica.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.html#truncateBlock-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-java.io.File-long-long-org.apache.hadoop.hdfs.server.datanode.FileIoProvider-">truncateBlock</a></span>(<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;volume,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;blockFile,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;metaFile,
long&nbsp;oldlen,
long&nbsp;newlen,
org.apache.hadoop.hdfs.server.datanode.FileIoProvider&nbsp;fileIoProvider)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/package-summary.html">org.apache.hadoop.hdfs.server.datanode</a> with parameters of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/FinalizedReplica.html#FinalizedReplica-org.apache.hadoop.hdfs.protocol.Block-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-">FinalizedReplica</a></span>(org.apache.hadoop.hdfs.protocol.Block&nbsp;block,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir)</code>
<div class="block">Constructor</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/FinalizedReplica.html#FinalizedReplica-org.apache.hadoop.hdfs.protocol.Block-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-byte:A-">FinalizedReplica</a></span>(org.apache.hadoop.hdfs.protocol.Block&nbsp;block,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
byte[]&nbsp;checksum)</code>
<div class="block">Constructor</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/FinalizedReplica.html#FinalizedReplica-long-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-">FinalizedReplica</a></span>(long&nbsp;blockId,
long&nbsp;len,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir)</code>
<div class="block">Constructor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/FinalizedReplica.html#FinalizedReplica-long-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-byte:A-">FinalizedReplica</a></span>(long&nbsp;blockId,
long&nbsp;len,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
byte[]&nbsp;checksum)</code>
<div class="block">Constructor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#LocalReplicaInPipeline-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-long-">LocalReplicaInPipeline</a></span>(long&nbsp;blockId,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
long&nbsp;bytesToReserve)</code>
<div class="block">Constructor for a zero length replica.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBeingWritten.html#ReplicaBeingWritten-org.apache.hadoop.hdfs.protocol.Block-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-java.lang.Thread-">ReplicaBeingWritten</a></span>(org.apache.hadoop.hdfs.protocol.Block&nbsp;block,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;writer)</code>
<div class="block">Constructor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBeingWritten.html#ReplicaBeingWritten-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-long-">ReplicaBeingWritten</a></span>(long&nbsp;blockId,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
long&nbsp;bytesToReserve)</code>
<div class="block">Constructor for a zero length replica.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBeingWritten.html#ReplicaBeingWritten-long-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-java.lang.Thread-long-">ReplicaBeingWritten</a></span>(long&nbsp;blockId,
long&nbsp;len,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;writer,
long&nbsp;bytesToReserve)</code>
<div class="block">Constructor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaWaitingToBeRecovered.html#ReplicaWaitingToBeRecovered-org.apache.hadoop.hdfs.protocol.Block-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-">ReplicaWaitingToBeRecovered</a></span>(org.apache.hadoop.hdfs.protocol.Block&nbsp;block,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir)</code>
<div class="block">Constructor</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaWaitingToBeRecovered.html#ReplicaWaitingToBeRecovered-long-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-">ReplicaWaitingToBeRecovered</a></span>(long&nbsp;blockId,
long&nbsp;len,
long&nbsp;genStamp,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir)</code>
<div class="block">Constructor</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.ReportCompiler.html#ReportCompiler-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-">ReportCompiler</a></span>(<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;volume)</code>
<div class="block">Create a report compiler for the given volume.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.hadoop.hdfs.server.datanode.checker">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a> in org.apache.hadoop.hdfs.server.datanode.checker</h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.hdfs.server.datanode.checker with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">DatasetVolumeChecker.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.html#checkAllVolumes-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi-">checkAllVolumes</a></span>(org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi&lt;? extends <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;dataset)</code>
<div class="block">Run checks against all volumes of a dataset.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.hdfs.server.datanode.checker with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="typeNameLabel">DatasetVolumeChecker.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.html#checkVolume-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-org.apache.hadoop.hdfs.server.datanode.checker.DatasetVolumeChecker.Callback-">checkVolume</a></span>(<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;volume,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.Callback.html" title="interface in org.apache.hadoop.hdfs.server.datanode.checker">DatasetVolumeChecker.Callback</a>&nbsp;callback)</code>
<div class="block">Check a single volume asynchronously, returning a <code>ListenableFuture</code>
that can be used to retrieve the final result.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Method parameters in org.apache.hadoop.hdfs.server.datanode.checker with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">DatasetVolumeChecker.Callback.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.Callback.html#call-java.util.Set-java.util.Set-">call</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;healthyVolumes,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;failedVolumes)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">DatasetVolumeChecker.Callback.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.Callback.html#call-java.util.Set-java.util.Set-">call</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;healthyVolumes,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;failedVolumes)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">DatasetVolumeChecker.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.html#checkAllVolumes-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi-">checkAllVolumes</a></span>(org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi&lt;? extends <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;&nbsp;dataset)</code>
<div class="block">Run checks against all volumes of a dataset.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.hadoop.hdfs.server.datanode.fsdataset">
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<h3>Uses of <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a> in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset</a> with type parameters of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/AvailableSpaceVolumeChoosingPolicy.html" title="class in org.apache.hadoop.hdfs.server.datanode.fsdataset">AvailableSpaceVolumeChoosingPolicy</a>&lt;V extends <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;</span></code>
<div class="block">A DN volume choosing policy which takes into account the amount of free
space on each of the available volumes when considering where to assign a
new replica allocation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/RoundRobinVolumeChoosingPolicy.html" title="class in org.apache.hadoop.hdfs.server.datanode.fsdataset">RoundRobinVolumeChoosingPolicy</a>&lt;V extends <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;</span></code>
<div class="block">Choose volumes with the same storage type in round-robin order.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset</a> that return <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></code></td>
<td class="colLast"><span class="typeNameLabel">FsDatasetSpi.FsVolumeReferences.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsDatasetSpi.FsVolumeReferences.html#get-int-">get</a></span>(int&nbsp;index)</code>
<div class="block">Get the volume for a given index.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></code></td>
<td class="colLast"><span class="typeNameLabel">FsVolumeReference.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeReference.html#getVolume--">getVolume</a></span>()</code>
<div class="block">Returns the underlying volume object.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></code></td>
<td class="colLast"><span class="typeNameLabel">FsVolumeSpi.ScanInfo.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.ScanInfo.html#getVolume--">getVolume</a></span>()</code>
<div class="block">Returns the volume that contains the block that this object describes.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset</a> that return types with arguments of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">FsDatasetSpi.FsVolumeReferences.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsDatasetSpi.FsVolumeReferences.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset</a> with parameters of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/ReplicaOutputStreams.html#ReplicaOutputStreams-java.io.OutputStream-java.io.OutputStream-org.apache.hadoop.util.DataChecksum-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-org.apache.hadoop.hdfs.server.datanode.FileIoProvider-">ReplicaOutputStreams</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;dataOut,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;checksumOut,
org.apache.hadoop.util.DataChecksum&nbsp;checksum,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;volume,
org.apache.hadoop.hdfs.server.datanode.FileIoProvider&nbsp;fileIoProvider)</code>
<div class="block">Create an object with a data output stream, a checksum output stream
and a checksum.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.ScanInfo.html#ScanInfo-long-java.io.File-java.lang.String-java.lang.String-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-">ScanInfo</a></span>(long&nbsp;blockId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;basePath,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;blockFile,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;metaFile,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol)</code>
<div class="block">Create a ScanInfo object for a block.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.ScanInfo.html#ScanInfo-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-org.apache.hadoop.hdfs.server.common.FileRegion-long-">ScanInfo</a></span>(long&nbsp;blockId,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="../../../../../../../../org/apache/hadoop/hdfs/server/common/FileRegion.html" title="class in org.apache.hadoop.hdfs.server.common">FileRegion</a>&nbsp;fileRegion,
long&nbsp;length)</code>
<div class="block">Create a ScanInfo object for a block.</div>
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</tr>
</tbody>
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</li>
<li class="blockList"><a name="org.apache.hadoop.hdfs.server.datanode.fsdataset.impl">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a> in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset.impl</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset.impl</a> that return types with arguments of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">AddBlockPoolException.</span><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/AddBlockPoolException.html#getFailingVolumes--">getFailingVolumes</a></span>()</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructor parameters in <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/package-summary.html">org.apache.hadoop.hdfs.server.datanode.fsdataset.impl</a> with type arguments of type <a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/AddBlockPoolException.html#AddBlockPoolException-java.util.Map-">AddBlockPoolException</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&gt;&nbsp;unhealthyDataDirs)</code>&nbsp;</td>
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