Oracle sparc M5-32, Installation Manual

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Understanding the Server 13
A PDomain can contain one to four DCUs. Using Oracle ILOM commands, you can
combine DCUs into PDomains. Refer to the administration guide for instructions on
creating and administering PDomains.
Related Information
■
“Rear Components” on page 8
■
“SPs and SPPs” on page 10
■
“Physical Domains” on page 13
■
Server Administration , understanding configuration guidelines
■
Server Service , identifying components
Physical Domains
A physical domain (PDomain) operates like an independent server that has full
hardware isolation from other PDomains in the server. A hardware or software
failure on one PDomain does not affect the other PDomains on a server.
DCU Components
DCU 0 • Fully-populated: CMU 0, CMU 1, CMU 2, CMU3
• Half-populated: CMU 0 and CMU 3
• SPP 0
• IOU 0
DCU 1 • Fully-populated: CMU 4, CMU 5, CMU 6, CMU7
• Half-populated: CMU 4 and CMU 7
• SPP 1
• IOU 1
DCU 2 • Fully-populated: CMU 8, CMU 9, CMU 10, CMU 11
• Half-populated: CMU 8 and CMU 11
• SPP 2
• IOU 2
DCU 3 • Fully-populated: CMU 12, CMU 13, CMU 14, CMU 15
• Half-populated: CMU 12 and CMU 15
• SPP 3
• IOU 3