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An administrator has created a Virtual Flash Read Cache and needs to add a total 2TB of capacity to the cache. The administrator has a total of six SSD disks to add, but is unable to add one of the disks.
What is a likely cause of the problem?
A. The SSD device size is less than 256GB.
B. The SSD device size is greater than 4TB.
C. The SSD device is a local disk.
D. The SSD device contains existing data.
Correct Answer: B
Explanation/Reference:
Explanation:
A Virtual Flash Read Cache lets you accelerate virtual machine performance through the use of host resident flash devices as a cache.
A virtual flash read cache can consist of up to 8 local SSDs each with a maximum capacity of 4 TB thus creating a maximum cache size of up to 32 TB.
In this question, the most likely cause of the problem is that the SSD disk size is greater than 4TB.
Incorrect Answers:
A: There is no minimum SSD device size. Therefore, this answer is incorrect.
C: The SSDs must be local disks. Therefore, this answer is incorrect.
D: An SSD device that contains existing data would not prevent the device from being added to the cache. Therefore, this answer is incorrect.
References:
https://pubs.vmware.com/vsphere-55/index.jsp#com.vmware.vsphere.storage.doc/GUID-261F4FF3-B200-45AD-B8ED-F2CFB1E3D6DD.html