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RAID-1

RAID-1

RAID-1

RAID-1

2

If you're have the ability to set up a RAID-1 volume on a test machine and follow along with me, I highly recommend that you do so .

读者最好能够在一台测试机器上安装一个 RAID-1 卷，并且随我一起进行模拟，我强烈建议您这样做。

3

Our RAID-1 volume would be running in degraded mode , meaning that our volume is still available but without any redundancy .

我们的 RAID-1 卷将以降级模式运行，即该卷仍然可用，但是不再有任何冗余。

4

This is because RAID 1 keeps every bit of data replicated on each of its devices in the exactly same fashion, create identical clones .

这是因为 RAID1 对每块数据复制在它的每个设备上，完全相同，创建了相同的克隆。

5

After going through the simulation , you 'll have all the experience you need to handle a RAID-1 failure in a real-world environment .

在完成此模拟过程之后，您将拥有在现实环境中处理 RAID-1 故障所需的全部经验。

6

Then , open it up and unplug one of the hard disks that make up your RAID-1 array .

然后，打开机箱，并断开组成 RAID-1 阵列的一个硬盘。

7

Our RAID-1 volume would still be running in degraded mode at this point .

此时我们的 RAID-1 卷仍将以降级模式运行。

8

In the second half of the article , Daniel walks you through the simulation of a RAID-1 failed drive replacement .

在本文的第二部分，Daniel 将带领您体验更换 RAID-1 故障驱动器的模拟过程。

9

OK , our first step is to set up a RAID-1 volume ; refer to my previous article if you need a refresher on how to do this .

好了，首先安装一个 RAID 卷；如果需要回顾一下如何实现这一点，请参阅我的前一篇文章。

10

What does the May 1 raid on the Abbottabad compound say about Pakistan's role and the future of its ties with the United States?

5月1日在 Abbottabad 混合区的空袭中巴基斯坦扮演的什么角色和与美国未来的关系？

11

RAID-1 is simple , but it's wasteful in terms of capacity utilization .

RAID-1 很简单，但是就容量利用而言太浪费。

13

For instance , RAID 0+1 is a nested set of striped devices in a mirror configuration .

比如，RAID0+1 是在条带化设备做镜像配置。

15

With RAID-1, a disk can fail , and information can still be acquired through the other copy .

对于 RAID-1 ，一个磁盘发生故障时，信息仍然可以通过其他副本获取。

16

On a side note , in mathematical terms , RAID 1 is an AND function, whereas RAID 0 is an OR.

从一个方面说明，在数学术语上，RAID1 是 “和 ”函数，而 RAID0 是 “或 ”函数。

17

RAID-1 is the most reliable of the three RAID arrays because all data is mirrored as it is written .

在三种 RAID 阵列中，RAID-1 是最可靠的，因为所有数据都在写入时被镜像。

18

Use Raid-1 for the transaction log file volumes, SMTP queues, and MTA queues .

事务日志文件卷、SMTP 队列和 MTA 队列使用 Raid-1 。

19

Although this may seem inefficient , RAID-1 is the preferred choice for data that requires the highest possible reliability .

虽然 RAID-1 似乎效率不高，但它仍然是需要最高可靠性的数据的首选解决方案。

20

RAID-1 is a mirrored disk array in which two disks are mirrored .

RAID-1 是镜像两个磁盘的镜像磁盘阵列。

21

OK, now that we know what RAID is and how it works , let's configure one - or two!

好了，现在我们知道什么是 RAID ，以及它是如何工作的。开始配置 1 或 2 ！

22

In this article , we look at what you need to know in order to use RAID-1 to increase availability in a production environment .

本文考察，为了在生产环境中利用 RAID-1 提高可用性，您需要了解哪些知识。

23

Figure 1 provides a graphical summary of these RAID-0 and RAID-1 schemes .

图 1 提供了 RAID-0 和 RAID-1 模式的一个概览图。

24

All page spaces should either be mirrored or on a raided (1 or 5 ) storage area network (SAN ).

所有分页空间应该建立镜像，或者放在 RAID （1 或 5 ）存储区域网络（SAN ）上。

25

WD RAID Manager is also the tool you 'll use to switch between RAID modes 0 and 1 (doing so erases all data on both drives , however ).

迪士尼公司的 RAID 经理，也是工具，您可以使用之间切换 RAID 模式 0 和 1 （这样做将删除所有的数据都驱动器，不过）。

26

Enhanced RAID 1 is generally recommended for data disks .

我们推荐数据磁盘使用改进的 RAID1 。

27

Table 1 compares several aspects of an HDD RAID group to an EFD RAID group.

表 1 在几个方面比较了 HDDRAID 组与 EFDRAID 组。

28

Practical example : 2 disks , each 80GB in size can be used in a 80GB RAID 1 configuration .

实例：2 块磁盘，每块容量大小 80GB ，配置成 80GB 的 RAID1 。

29

RAID 5 offers lower performance , compared to RAID 0 or RAID 1, but greater reliability and faster recovery .

与 RAID0 或 RAID1 相比，RAID5 提供的性能较差，但可以提供更好的可靠性和更快的恢复。

30

Vinum implements virtual disk drive management and can cope with RAID 0, RAID 1, and RAID 5.

Vinum 实现了虚拟磁盘驱动器管理，并且可以复制 RAID0 、RAID1 和 RAID5 。

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