You are having problems accessing three recently-created LUNs. Given the output, the reason is because all of the LUNs are using the same LUN ID of 0.

You are having problems accessing three recently-created LUNs. Given the output, the reason is because all of the LUNs are using the same LUN ID of 0.

• A. True
• B. False
• C. Not enough information
• D. Unknown

Answer: (B)

LUN IDs are scoped per volume, not global. You can reuse the same LUN ID across LUNs that live in different volumes. So three newly created LUNs all with LUN ID 0 isn’t by itself a problem and wouldn’t automatically cause access issues. The real issue is likely related to how those LUNs are presented to the host (such as initiator groups, zoning, or path status) or their online/ownership state, rather than the fact that they share the same LUN ID.

LUN IDs are scoped per volume, not global. You can reuse the same LUN ID across LUNs that live in different volumes. So three newly created LUNs all with LUN ID 0 isn’t by itself a problem and wouldn’t automatically cause access issues. The real issue is likely related to how those LUNs are presented to the host (such as initiator groups, zoning, or path status) or their online/ownership state, rather than the fact that they share the same LUN ID.