Oracle ZFS ZS3 Series Customer Service Manual page 158

Servicing the 7x20 Controller
7420 System Drives
The 7420 M2 has two 900GB SAS-2 system boot drives in slots 0 and 1, configured as a
mirrored pair. Up to four 1.6TB SAS-2 Readzilla SSDs may fill slots 2 through 5, in order. In a
7420 M2 cluster, the number of solid state drives (SSDs) installed in each controller can vary.
7420 controllers have two 500GB SATA system boot drives in slots 0 and 1, configured as a
mirrored pair. Zero, two, three, or four 512GB SSDs, may optionally fill slots 2 through 5, in
order. In a 7420 cluster, the number of SSDs installed in both controllers must match.
FIGURE 37
Figure Legend
Ready to remove (blue)
1
158 Oracle ZFS Storage Appliance Customer Service Manual • February 2016
7420 Controller System Drive
Service action required (amber)
2
OK/Activity (green)
3