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【速搜问答】GPT磁盘是什么

问答 admin 2年前 (2020-08-26) 484次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

GPT磁盘是指GPT分区模式使用GUID分区表,是源自EFI标准的一种较新的磁盘分区表结构的标准。与普遍使用的主引导记录(MBR)分区方案相比,GPT提供了更加灵活的磁盘分区机制。

GPT disk refers to the GPT partition mode using the GUID partition table, which is a new standard of disk partition table structure derived from EFI standard. Compared with the commonly used master boot record (MBR) partition scheme, GPT provides a more flexible disk partition mechanism.

GPT 分区模式使用 GUID 分区表,是源自 EFI 标准的一种较新的磁盘分区表结构的标准。与普遍使用的主引导记录(MBR)分区方案相比,GPT 提供了更加灵活的磁盘分区机制。

GPT partition mode uses the GUI partition table, which is a new standard of disk partition table structure derived from EFI standard. Compared with the commonly used master boot record (MBR) partition scheme, GPT provides a more flexible disk partition mechanism.

特点

characteristic

GUID 分区表(简称GPT。使用 GUID 分区表的磁盘称为GPT 磁盘)是源自 EFI 标准的一种较新的磁盘分区表结构的标准。与普遍使用的主引导记录(MBR)分区方案相比,GPT 提供了更加灵活的磁盘分区机制。它具有如下优点:

The GUI partition table (GPT for short). A disk that uses a GUID partition table is called a GPT disk) is a newer standard for the partition table structure derived from the EFI standard. Compared with the commonly used master boot record (MBR) partition scheme, GPT provides a more flexible disk partition mechanism. It has the following advantages:

1、支持 2TB 以上的大硬盘。  2、每个磁盘的分区个数几乎没有限制。为什么说“几乎”呢?是因为 Windows 系统最多只允许划分 128 个分区。不过也完全够用了。  3、分区大小几乎没有限制。又是一个“几乎”。因为它用 64 位的整数表示扇区号。夸张一点说,一个 64 位整数能代表的分区大小已经是个“天文数字”了,若干年内你都无法见到这样大小的硬盘,更不用说分区了。  4、分区表自带备份。在磁盘的首尾部分分别保存了一份相同的分区表。其中一份被破坏后,可以通过另一份恢复。  5、每个分区可以有一个名称(不同于卷标)。

1. Support large hard disk of 2TB or above. 2. The number of partitions per disk is almost unlimited. Why say “almost”? This is because Windows system only allows 128 partitions at most. But it’s enough. 3. The partition size is almost unlimited. Another “almost”. Because it uses 64 bit integers to represent sector numbers. To exaggerate, the partition size represented by a 64 bit integer is already an astronomical number. You will not see such a hard disk for several years, let alone partitions. 4. The partition table has its own backup. A copy of the same partition table is kept at the beginning and end of the disk. If one of them is destroyed, it can be recovered by the other. 5. Each partition can have a name (different from the volume label).

既然 GUID 分区方案具有如此多的优点,在分区时是不是可以全部采用这种方案呢?不是的。并不是所有的 Windows 系统都支持这种分区方案。

Since the GUI partition scheme has so many advantages, can we adopt this scheme when partitioning? no, it isn’t. Not all Windows systems support this partitioning scheme.

多数的个人电脑系统还无法完美支持 GPT 磁盘。但是这并不意味着我们不需要了解 GUID 分区方案。别忘了,硬件的发展速度总是令人吃惊的。1.5TB 的硬盘早已大量上市,2TB 以上容量的硬盘也已经普及,基于 EFI 的主板也正在销售。GUID 分区方案终将成为主流 。

Most PC systems don’t support GPT disks perfectly. But that doesn’t mean we don’t need to know the GUID partition scheme. Don’t forget, the speed of hardware development is always amazing. A large number of 1.5tb hard disks have been on the market for a long time. Hard disks with a capacity of more than 2TB have also been popularized. The motherboard based on EFI is also on sale. The GUI partition scheme will eventually become the mainstream.

做为一款分区软件,DiskGenius 从 3.1 版本开始支持 GUID 分区表。这是国内第一款支持 GUID 分区表的分区软件。DiskGenius 提供了 GUID 分区的建立、删除、格式化、已丢失分区恢复、文件恢复、分区表备份、GUID 分区表格式与 MBR 分区表格式之间的相互转换(无误转换)等功能。

As a partition software, diskgenius supports the GUI partition table since version 3.1. This is the first partition software to support the GUI partition table in China. Diskgenius provides the functions of creating, deleting, formatting, recovering lost partitions, file recovery, partition table backup, and the conversion between the format of GUID partition table and MBR partition table.


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