IBM DS6000 Series manual Front panel, Expansion enclosure cabling Disk Contrl ports on loop

these cables are pictured in orange and green (which appear darker if viewed in black and white). In each case cables run from the disk contrl ports to the in ports of the SBOD card. A

second expansion enclosure has been added by running cables from the out ports on the first expansion enclosure to the in ports on the second expansion enclosure. At the bottom of the diagram, dotted lines indicate the potential cabling to add more expansion enclosures to that loop

Cables attach to server enclosure

disk contrl ports

First expansion enclosure on loop 1 (first enclosure

on loop)

Second expansion enclosure on loop 1

(second enclosure on loop)

Figure 2-15 Expansion enclosure cabling (Disk Contrl ports on loop 1)

2.7 Front panel

The DS6000 front operator panel allows you to perform a health check with a single glance. There are 7 indicators present on the panel; they are depicted in Figure 2-16.

System power

System identify

System information

System alert

Data in cache on battery

CRU fault on rear

Fault in expansion enclosure

Figure 2-16 DS6000 front panel

Chapter 2. Components 37