My Oracle Support Banner

How Are mpxio scsi_vhci Device Names Created from GUID? (Doc ID 1476988.1)

Last updated on JANUARY 30, 2022

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.


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.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.