ext3

Create a standard third extended ( ext3 ) file system .

创建一个标准第三方可扩展（ext3）文件系统。

Recall that ext3 performed allocation one block at a time .

记住，ext3一次只分配一个块。

One of the primary disadvantages of ext3 was its method of allocation .

ext3分配空间的方式是其主要缺点之一。

In fact , ext3 actually has two methods to ensure data and metadata integrity .

实际上，ext3有两种确保数据和元数据完整性的方法。

Ext3 : The standard Linux file system with journaling added

ext3：带日志的标准Linux文件系统

In ext3 , the minimum resolution for timestamp was one second .

在ext3中，时间戳的最小分辨率为1秒。

We 'll also call the file system / ora01 and make it an ext3 file system .

把文件系统命名为/ora01并设置为ext3文件系统。

However , both are limited to the ext2 and ext3 file systems .

然而，两者都仅限用于ext2和ext3文件系统。

Like ext3 , ext4 is a journaling file system .

和ext3一样，ext4也是一个日志文件系统。

The read function is unaware of file system types , such as ext3 or NFS .

read函数不了解文件系统的类型，比如ext3或NFS。

In this way , you can migrate an ext3 file system online to an ext4 file system .

您可以通过这种方式在线将ext3文件系统迁移到ext4文件系统。

You can also gradually migrate a file system from ext3 to ext4 online with a mass change .

通过大规模的改变可以逐渐将文件系统从ext3迁移到ext4。

If I had to describe ext3 in one word , I 'd call it " comfortable " .

如果非要用一个词来描述ext3，我会说“舒适”。

The remaining space on the card is dedicated to a third extended file system ( ext3 ) partition .

卡上的剩余空间分配给一个thirdextendedfilesystem（ext3）分区。

Ext3 's format is very efficient for small files but horribly inefficient for large files .

ext3的格式对小文件而言是很高效的，但对于大文件则恰恰相反。

Create a small , bootable FAT partition , followed by a larger ext3 partition .

创建一个小的可引导的FAT分区，然后创建一个大的ext3分区。

One ext3 partition labeled Angstrom that takes up the rest of the card 's capacity .

一个ext3分区，标记为Angstrom，占用卡的其余容量。

In ext3 , the block allocator worked by allocating a single block at a time .

在ext3中，块分配器的工作方式是每次分配一个块。

Traditional Linux file systems such as ext2 , ext3 , and ReiserFS were significantly improved .

ext3和ReiserFS等传统Linux文件系统得到了显著的改进。

Ext4 replaces ext3 's mechanism with extents to improve allocation and support a more efficient storage structure .

ext4使用区段取代ext3的机制，从而改善了空间的分配，并且支持更加高效的存储结构。

Now that we have a good general understanding of this problem , let 's look how ext3 implements journaling .

既然我们对这个问题已经有了一个总的很好的理解，让我们来看ext3是如何实现日志记录的。

For one , ext3 's journal is stored in an inode & a file , basically .

其中之一是，ext3的日志存储在一个索引节点中―基本上是个文件。

We 've now concluded our coverage of ext3 .

现在，我们已经结束了ext3的报道。

Ext4 is forward compatible in that you can mount an ext3 file system as an ext4 file system .

ext4与ext3是向前兼容的，这样就可以将ext3文件系统挂载为ext4文件系统。

Linux also supports the new journaling file systems such as ext3 , JFS , and ReiserFS .

Linux还支持ext3、JFS和ReiserFS等新的日志型文件系统。

Yet even with this small addition , I think you 'll find that that ext3 has several surprising and intriguing capabilities .

但正是因为具有了这个小小的增加，您会发现ext3具有几种令人惊讶和富有吸引力的能力。

This , in turn , allows ext3 to write these multiple changes to disk in a single write operation , rather than many .

接下来，这种优化允许ext3将这多个更改在一次写操作中写到磁盘上，而不需要多次写操作。

The ext3 file system introduced the concept of journaling to improve the reliability of the file system when the system is abruptly halted .

ext3文件系统引入了日志概念，以在系统突然停止时提高文件系统的可靠性。

And ext3 's journaling capabilities have been specially designed to ensure the integrity of both metadata and data .

还有，ext3的日志记录能力经过特别设计，以确保元数据和数据的完整性。

Untar the root filesystem files into the root directory of the ext3 filesystem .

解压的根文件系统文件的根目录提供ext3文件系统支持。