Sun Disk Shelf

The Sun Disk Shelf is a 4U chassis that supports 24 3.5" SAS-2 drives. The SSDs provide accelerated write operations, and the high-capacity HDDs provide reliable storage. This disk shelf features dual, redundant SAS Interface Module (SIM) boards, and dual power supply with fan modules.

Figure 17  Sun Disk Shelf Drive Locations (Front View)

Read cache devices cannot be installed in the Sun Disk Shelf.

Figure 18  Sun Disk Shelf Status Indicators (Front View)

Figure Legend 1 Locate button and indicator 2 System fault indicator 3 System power indicator 4 Disk ready to be removed indicator 5 Disk fault indicator 6 Disk activity indicator 7 Over temperature warning indicator 8 SIM board fault indicator 9 Power supply fault indicator

Figure 19  Sun Disk Shelf Rear Panel

Figure Legend 1 Power supply modules with built-in fans. Power supply 0 is on the left and power supply 1 is on the right. 2 Removable SAS Interface Module (SIM) Boards. SIM 0 is on the left, and SIM 1 is on the right.

Figure 20  Sun Disk Shelf SIM Board Indicators

Figure Legend 1 AC power indicator 2 DC power indicator 3 Fan fault indicator 4 Power supply fault indicator 5 Universal power connector 6 Power switch 7 Port fault indicator 8 Port OK indicator 9 SIM board OK indicator (green)/SIM board fault indicator (amber) 10 SIM locator indicator

Figure 21  Sun Disk Shelf Power Supply and Fan Module Indicators

Figure Legend 1 Cooling fan status indicator 2 AC power status indicator 3 DC power status indicator 4 Power supply status indicator 5 Power on/off switch 6 Power cord tie wrap 7 Universal power input connector 8 Right ejection arm and captive screw latch