SPARC Legacy servers (MOSC)

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Why was WWN syntax in place of local unique target ID adopted in T3, T4 Servers ?

edited Oct 4, 2012 2:48AM in SPARC Legacy servers (MOSC) 1 commentAnswered ✓
Hello
I have a question about the difference of logical device name of HDDs.

Since T3-x and T4-x was released Solaris lists c0tWWNd0 as device identifier and before that
c0txd0 was used.

Would any tell me

- why this change was needed ?
- What the merit of this change is ?

I can suppose this change was due to adopting new SAS 6G controller and newly developed driver
but I do not know what's the merit for users.

Thank you very much.

Tomonori-

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