请教个VCP-DCV 试题

anuran · 发表于 2019-12-16 09:59:48

Which vSphere feature is designed to distribute space usage and I/O load across multiple datastores?
A. Storage Policies
B. vStorage API for Array Integration
C. Storage I/O Control
D. vSphere Storage DRS

请问各位大神这题选啥？有人说C,有人说D.

vaio · 发表于 2019-12-16 10:39:50

这题肯定选d啊。

Storage I/O Control
When you enable Storage I/O Control, ESXi monitors datastore latency and throttles the I/O load if the datastore average latency exceeds the threshold.
https://docs.vmware.com/en/VMwar ... A-54634CD8AD51.html

Storage DRS
Storage DRS allows you to manage the aggregated resources of a datastore cluster. When Storage DRS is enabled, it provides recommendations for virtual machine disk placement and migration to balance space and I/O resources across the datastores in the datastore cluster.
https://docs.vmware.com/en/VMwar ... 4-9E126671457F.html

看题目自然选择vSphere Storage DRS

WesleyMesschen · 发表于 2019-12-16 15:43:02

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zhaoxq · 发表于 2019-12-18 18:32:57

D Storage I/O Control只简单的限制IO，vSphere Storage DRS实现Datastore间的IO和使用空间的负载均衡

tangjsc · 发表于 2020-1-20 11:40:36

D是正解

hingar · 发表于 2020-1-23 16:47:56

肯定人是D 不用懷疑

Storage I/O Control 不做 distribute space usage

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