D-UN-OE-23 · Question #41
Which Dell Unity XT storage resource allows the modification of its block size during creation?
The correct answer is B. VMFS. VMFS (Virtual Machine File System) datastores on Dell Unity XT allow you to configure the block size at creation time-typically choosing between 512-byte or 4K block sizes-which directly impacts performance and compatibility with the virtual machines that will use the…
Question
Which Dell Unity XT storage resource allows the modification of its block size during creation?
Options
- AvVoI
- BVMFS
- CNFS
How the community answered
(48 responses)- A2% (1)
- B94% (45)
- C4% (2)
Explanation
VMFS (Virtual Machine File System) datastores on Dell Unity XT allow you to configure the block size at creation time-typically choosing between 512-byte or 4K block sizes-which directly impacts performance and compatibility with the virtual machines that will use the datastore.
Why the distractors are wrong:
- A. vVol (likely a typo for "vVol"): Virtual Volumes use a policy-based, object-level storage model where the array manages individual VM components; there is no traditional block size parameter exposed during creation.
- C. NFS: NFS is a file-level protocol, not block storage. It has no configurable block size setting during datastore creation on Unity XT.
Memory tip: Think "Block size = BMFS"-VMFS is the only block-based VMware storage resource in this list, so it's the only one where selecting a block size even makes sense. If the question mentions "block size," look for the block-level protocol (VMFS), not file-level (NFS) or policy-based (vVol).
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