Checklist: How to troubleshoot your LUN

LUN issues are difficult to diagnose, because they usually arise from specific features of a specific system's hardware and software. The most common problem is that one or more LUNs aren't visible, but this can have a whole host of reasons.

Because LUNs sit at the crossroads of physical and virtual storage, they can be affected by both hardware and software. Everything from HBAs to operating system configuration to storage management software can cause

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Topics: LUN

Storage Management Survival School: Operations

Advice: What is a LUN, and why do we need one?

About the author: Rick Cook has been writing about mass storage since the days when the term meant an 80 K floppy disk. The computers he learned on used ferrite cores and magnetic drums. For the last twenty years he has been a freelance writer specializing in storage and other computer issues.

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