diff --git a/src/fs/btrfs.cpp b/src/fs/btrfs.cpp
index 051b142..a5370d7 100644
--- a/src/fs/btrfs.cpp
+++ b/src/fs/btrfs.cpp
@@ -97,7 +97,7 @@ namespace FS
 
 	qint64 btrfs::maxCapacity() const
 	{
-		 return 16 * Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
+		 return Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
 	}
 
 	qint64 btrfs::readUsedCapacity(const QString& deviceNode) const
diff --git a/src/fs/exfat.cpp b/src/fs/exfat.cpp
index fe272a9..f111444 100644
--- a/src/fs/exfat.cpp
+++ b/src/fs/exfat.cpp
@@ -86,7 +86,7 @@ namespace FS
 
 	qint64 exfat::maxCapacity() const
 	{
-		 return 64 * Capacity::unitFactor(Capacity::Byte, Capacity::ZiB);
+		 return Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
 	}
 
 	bool exfat::check(Report& report, const QString& deviceNode) const
diff --git a/src/fs/lvm2_pv.cpp b/src/fs/lvm2_pv.cpp
index 9261e15..c87c9f1 100644
--- a/src/fs/lvm2_pv.cpp
+++ b/src/fs/lvm2_pv.cpp
@@ -82,7 +82,7 @@ namespace FS
 		return SupportTool("lvm2", KUrl("http://sourceware.org/lvm2/"));
 	}
 
-	qint64 lvm2_pv::minCapacity() const
+	qint64 lvm2_pv::maxCapacity() const
 	{
 		 return 5 * Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
 	}
diff --git a/src/fs/lvm2_pv.h b/src/fs/lvm2_pv.h
index 61ea8d3..f3ae3ff 100644
--- a/src/fs/lvm2_pv.h
+++ b/src/fs/lvm2_pv.h
@@ -65,7 +65,7 @@ namespace FS
 			virtual CommandSupportType supportUpdateUUID() const { return m_UpdateUUID; }
 			virtual CommandSupportType supportGetUUID() const { return m_GetUUID; }
 
-			virtual qint64 minCapacity() const;
+			virtual qint64 maxCapacity() const;
 			virtual SupportTool supportToolName() const;
 			virtual bool supportToolFound() const;
 
diff --git a/src/fs/xfs.cpp b/src/fs/xfs.cpp
index 971aad3..1ae9d04 100644
--- a/src/fs/xfs.cpp
+++ b/src/fs/xfs.cpp
@@ -92,7 +92,7 @@ namespace FS
 
 	qint64 xfs::maxCapacity() const
 	{
-		return 8 * Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
+		return Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
 	}
 
 	qint64 xfs::readUsedCapacity(const QString& deviceNode) const