Oracle ZFS Storage ZS3-2 Front Panel Components
The Oracle ZFS Storage ZS3-2 controller drive slots and front panel components are shown in the following figure.

Drive slots 0 and 1 have two mirrored SAS-2 boot drives. Up to four read cache SSDs fill slots 2 through 5, in order. Slots 6 and 7 are empty and must contain drive fillers.
1 Locator LED/button (white) |
2 Service Action Required LED (amber) |
3 Power OK LED (green) |
4 Power button |
5 Service Processor OK LED (green) |
6 Fan/CPU/Memory Service Required LED |
7 USB 2.0 ports |
Note:
The LEDs below the Fan/CPU/Memory Service Required LED are not currently used.