A vSphere administrator needs to upgrade a single extent VMFS3 datastore to VMFS5 and expand it to 4TB in size. The storage administrator has already expanded the underlying LUN to 4TB.
Which steps should the vSphere administrator take?
A. Expand the VMFS3 datastore to 4TB and then upgrade to VMFS5
B. Upgrade the datastore to VMFS5, manually change the partition scheme to GPT, and then expand the datastore to 4TB
C. Upgrade the datastore to VMFS5 and then expand it to 4TB
D. Change the block size of the VMFS3 datastore to 1MB, upgrade the datastore to VMFS5, and expand it to 4TB
Correct Answer: C
Explanation/Reference:
Explanation:
C: You can upgrade from VMFS3 to FMFS5 directly, thus the first step to be done is to upgrade to VMFS5 and then expand it to 4TB since the VMFS3, which is the underlying LUN has already been expanded to 4 TB.
Incorrect Answers:
A: The VMFS3 datastore is the underlying LUN which has already been expanded to 4TB. There is no need to repeat this action.
B: The GPT format enables you to create datastores larger than 2TB and up to 64TB. However, this has already been done as the underlying LUN has already been expanded to 4TB.
D: Upgraded VMFS-5 partitions will retain the partition characteristics of the original VMFS-3 datastore, including file block-size, sub-block size of 64K, etc. thus if the underlying LUN has already been expanded to 4TB ther eis no need to change the block size.
References:
Kajamoideen M.R., VMWare ESXi Cookbook, Packt Publishing, Birmingham, 2014, pp. 124-126