Package org.apache.hadoop.ozone.container.common.utils

Class DiskCheckUtil

java.lang.Object

org.apache.hadoop.ozone.container.common.utils.DiskCheckUtil

public final class DiskCheckUtil
extends Object

Utility class that supports checking disk health when provided a directory where the disk is mounted.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	DiskCheckUtil.DiskChecks	Defines operations that must be implemented by a class injecting failures into this class.

Method Summary

Modifier and Type	Method	Description
static boolean	checkExistence(File storageDir)
static boolean	checkPermissions(File storageDir)
static boolean	checkReadWrite(File storageDir, File testFileDir, int numBytesToWrite)
static void	clearTestImpl()
static void	setTestImpl(DiskCheckUtil.DiskChecks diskChecks)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

setTestImpl

public static void setTestImpl(DiskCheckUtil.DiskChecks diskChecks)

clearTestImpl

public static void clearTestImpl()

checkExistence

public static boolean checkExistence(File storageDir)

checkPermissions

public static boolean checkPermissions(File storageDir)

checkReadWrite

public static boolean checkReadWrite(File storageDir,
 File testFileDir,
 int numBytesToWrite)