Chapter 4 Rack and Optional Product Installation
4.3 Standard Installation Rules Before Shipment (Only for Regions Other than EMEA&I)
ETERNUS DX80 S2/DX90 S2 Disk storage system User’s Guide -Site Planning-
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4.3.3 Drives

This section explains the installation rules for drives.

2.5" drives

The following table shows the priority order of 2.5" drive installation.

Table 4.6 Priority order of 2.5" drive installation

Priority order Type Drive capacity/quantity RAID level
1
SSD (2.5inch)
100GB (SLC) x 2 RAID1
2 100GB (SLC) x 6 RAID1+0
3 100GB (SLC) x 4 RAID5
4 100GB (SLC) x 1 Hot spare
5 200GB (SLC) x 2 RAID1
6 200GB (SLC) x 6 RAID1+0
7 200GB (SLC) x 4 RAID5
8 200GB (SLC) x 1 Hot spare
9 400GB (SLC) x 2 RAID1
10 400GB (SLC) x 6 RAID1+0
11 400GB (SLC) x 4 RAID5
12 400GB (SLC) x 1 Hot spare
13 400GB (MLC) x 6 RAID1+0
14 400GB (MLC) x 4 RAID5
15 400GB (MLC) x 1 Hot spare
16 800GB (MLC) x 2 RAID1
17 800GB (MLC) x 6 RAID1+0
18 800GB (MLC) x 4 RAID5
19 800GB (MLC) x 1 Hot spare