How Are mpxio scsi_vhci Device Names Created from GUID?

(Doc ID 1476988.1)

Last updated on JANUARY 17, 2018

Applies to:

Solaris Operating System - Version 8 4/01 U4 and later
Solaris x64/x86 Operating System - Version 8 2/04 U8 and later
Information in this document applies to any platform.
***Checked for relevance on 17-JAN-2018***

Goal

When Solaris I/O Multipathing is enabled for a SAN-connected FC device, the logical name, i.e. c#t#d#, uses different values for each of the c-t-d- numbers than devices without multipathing enabled.

Example of format disk selection menu without Solaris I/O Multipathing:

 

This document explains how each of the c-t-d- numbers are generated.

Solution

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