A storage administrator creates a Quality of Service (Qos) policy named pgMB300 which sets a
maximum throughput of 300 MB/s, and a second Quality of Service policy named pgIO200 which
sets the maximum throughput to 200 IOPS. The storage administrator assigns the pgMB300 QoS
policy to Vserver vs1. The storage administrator then attempts to assign the pgIO200 QoS Policy
to vol1 of vs1.
What is the outcome?
A.
The attempt will succeed. You can assign Qos policy to storage object so long as single object
does not have multiple policy groups assigned to it.
B.
The attempt will fail. You cannot have policies with differently maximum throughput units. They
all have to be MB/s or all have to be IOPS.
C.
The attempt will succeed. You can nest IOPS policy limit instead a MB/s policy limit.
D.
The attempt will fail. You cannot nest policy groups in any manner.
Explanation:
A
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https://library.netapp.com/ecmdocs/ECMP1196798/html/GUID-A307C24C-2416-4491-8510-1D1A386585EC.html
You cannot assign a storage object to a policy group if its containing object or its child objects belong to a policy group.
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I thought it was D.
A policy has been assigned to the vServer. As a result, you cannot assign a policy to its child object.
In the following illustration, the Vserver vs3 is assigned to policy group pg2. You cannot assign volumes vol4 or vol5 to a policy group because an object in the storage hierarchy (Vserver vs3) is assigned to a policy group.
https://library.netapp.com/ecmdocs/ECMP1196798/html/GUID-A307C24C-2416-4491-8510-1D1A386585EC.html
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B is correct answer as you can go with either mb or io policy not together.
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D is correct, as nesting is not supported!
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