ITPub博客

首页 > Linux操作系统 > Linux操作系统 > RAID3工作原理图解及特点分析

RAID3工作原理图解及特点分析

原创 Linux操作系统 作者:exway 时间:2007-12-30 15:45:55 0 删除 编辑

RAID 3: Parallel transfer with parity

Characteristics/Advantages

1. Very high Read data transfer rate

2. Very high Write data transfer rate

3. Disk failure has an insignificant impact on throughput

4. Low ratio of ECC (Parity) disks to data disks means high efficiency

Disadvantages

1. Transaction rate equal to that of a single disk drive at best (if spindles are synchronized)

2. Controller design is fairly complex

3. Very difficult and resource intensive to do as a “software” RAID

Recommended Applications

1. Video Production and live streaming

2. Image Editing

3. Video Editing

4. Prepress Applications

5. Any application requiring high throughput

The data block is subdivided (”striped”) and written on the data disks. Stripe parity is generated on Writes, recorded on the parity disk and checked on Reads.

RAID Level 3 requires a minimum of 3 drives to implement

RAID3.gif

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/12557315/viewspace-63487/,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论

注册时间:2007-12-29

  • 博文量
    21
  • 访问量
    26518