IBM 5887, Manual

Page: 45 / 92

Figure 28. Mode 2 connection of one 5887 disk drive enclosure by using X cables to two SAS adapter
pairs
20. Complete a mode 4 connection of one enclosure (A) by using X cables (B) to four independent SAS
adapters (C, D, E, and F) as shown in Figure 29 on page 32, and then continue with “Connecting
cables, power cords, and installing covers” on page 33.
Note: Refer to Figure 30 on page 33 for examples of the P1 and P2 identifiers.
• The cable that plugs into independent SAS adapter 1 (C) contains a label with the P1 identifier (G).
This adapter does not have access to any other independent adapter and has access only to drive
bays D1 - D6.
• The cable that plugs into independent SAS adapter 2 (D) contains a label with the P2 identifier (G).
This adapter does not have access to any other independent adapter and has access only to drive
bays D7 - D12.
• The cable that plugs into independent SAS adapter 3 (E) contains a label with the P1 identifier (G).
This adapter does not have access to any other independent adapter and has access only to drive
bays D13 - D18.
• The cable that plugs into independent SAS adapter 4 (F) contains a label with the P2 identifier (G).
This adapter does not have access to any other independent adapter and has access only to drive
bays D19 - D24.
Installing the 5887 disk drive enclosure or setting up a preinstalled 5887 disk drive enclosure 31