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卷组与E系列存储中的动态磁盘池有何不同?

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适用场景

E系列存储

问题解答


下表显示了E系列存储中卷组和动态磁盘池之间的差异:

 

卷组 动态磁盘池
RAID选择 仅限RAID 6
区块大小 32/64/128/25/6/512 KB 已修复128 KB
磁盘限制 30
磁盘选择
卷增长
卷缩减
精简配置
磁盘抽屉丢失保护
选择磁盘以创建卷
重建速度
修改优先级 最低<->最高 高、无法编辑
热备用磁盘
磁盘保留
适合的IO类型 顺序 随机

注意:磁盘池不需要热备用磁盘。对于磁盘池、在发生驱动器故障等紧急情况时会保留一定的容量。最大磁盘保留空间为10个磁盘(池中的每个驱动器都会预留等效容量)。

卷组创建向导:

  • 卷组可以选择手动或自动选择驱动器。

 

  • 可以选择RAID级别。

动态磁盘池创建向导:

  • 系统会自动选择这些驱动器。

  • 动态磁盘池(DDP)中的Create Volume选项可选择精简卷。

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