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RAID基本概念——定义
RAID (Redundant Array of Independent Disks)即独立磁盘冗余阵列,RAID技术将多个单独的物理硬盘以不同的方式组合成一个逻辑硬盘,从而提高了硬盘的读写性能和数据安全性。
![](https://img.haomeiwen.com/i25633953/3f9272d89986c495.png)
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RAID级别—RAID0、RAID1
![](https://img.haomeiwen.com/i25633953/7cb10215cf688cbb.png)
RAID级别 —— RAID3,RAID5
![](https://img.haomeiwen.com/i25633953/f6b9a78f5bf54ffc.png)
RAID级别 —— RAID 6原理示例
![](https://img.haomeiwen.com/i25633953/c3ebf148cd81557e.png)
RAID组合级别 —— RAID 10,RAID50
![](https://img.haomeiwen.com/i25633953/ae6518ace6449ef9.png)
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常见RAID级别的比较
![](https://img.haomeiwen.com/i25633953/5d2ddb32982e8989.png)
RAID (Redundant Array of Independent Disks)即独立磁盘冗余阵列,RAID技术将多个单独的物理硬盘以不同的方式组合成一个逻辑硬盘,从而提高了硬盘的读写性能和数据安全性。
本文标题:服务器基础知识全解(汇总)四
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