Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?

The correct answer is B. 512. ESXi 6.5 supports a maximum of 512 LUNs (block devices) per host. This is a well-known VMware configuration maximum. Exceeding this limit is not supported and can lead to instability. The other options - 1024, 2048, and 256 - are not the documented maximum for ESXi 6.5. Administr

Section 3 – Configure and Administer vSphere 6.5 Storage

Question

Options

A1024
B512
C2048
D256

How the community answered

(39 responses)

A
5% (2)
B
90% (35)
C
3% (1)
D
3% (1)

Explanation

ESXi 6.5 supports a maximum of 512 LUNs (block devices) per host. This is a well-known VMware configuration maximum. Exceeding this limit is not supported and can lead to instability. The other options - 1024, 2048, and 256 - are not the documented maximum for ESXi 6.5. Administrators managing large SANs must account for this limit when designing storage architectures.

Topics

#LUN limits#ESXi 6.5 maximums#block devices#storage scalability

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