A Guest VM Is Reported to Have Poor Storage Performance

question 29

Multiple Choice

A guest VM is reported to have poor storage performance. It has an I/O profile of 80% read. 20% write, and the HDDs form more than 50% of the read source. What should an administrator do to resolve this issue?

• A) Increase SSD capacity
• B) Increase the OPLOG
• C) Increase the write cache
• D) Use HDDs with higher RPM

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Definitions:

Unemployment Rate

The ratio of the complete labor pool that is jobless yet is in active pursuit of employment and prepared to work.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen over others.

Double Feature

The showing of two films for the price of one in a movie theater, traditionally a practice in the mid-20th century.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs, representing the trade-off between different choices in the allocation of resources.