Azure高级磁盘-是否使用分条? [英] Azure Premium Disk - to use striping or not?

问题描述

大家好，

我需要存储附加到DS14_v2 VM的4x1800GB数据库.

I need to store 4x1800GB databases, attached to a DS14_v2 VM.

我正在使用Azure Premium磁盘(4 x P50)

I am using Azure Premium disk (4 x P50)

我的问题很简单:-

我是否应该对所有4个磁盘进行条带化以创建〜16TB的空间，然后分区为4个逻辑分区?

OR

我应该将每个P50分开吗? (已将4个驱动器连接到VM)

每个选项的利与弊?  

Pros and Cons of each option?   

我知道条带化可以提供更好的性能，但是单个磁盘的IOPS配置文件远远超出了我们的需求，因此这不是优先事项.  我也知道，MS对于每个SSD具有2或3个副本，对于0％的年故障率".所以希望RAID 不需要1/5/10等(而且我认为在Azure上甚至不可能)?

I know striping gives better performance but the IOPS profile of a single disk is way more than we need so that's not a priority.    I also know that MS have 2 or 3 copies of each SSD "for a 0% annualised failure rate" so hopefully RAID 1/5/10 etc. is not required (and not even possible I think on Azure??)

詹姆斯M

推荐答案

If you want to increase the capacity and performance of the volume, you could stripe across your disks. When a high scale VM is attached with several premium storage persistent disks, the disks can be striped together to aggregate their IOPs, bandwidth, and storage capacity.

参考: Azure高级磁盘分拆.

Reference: Azure Premium Disk Striping.

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