CX400 M4
Upgrade and Maintenance Manual
91
Hard disk drives (HDD), solid state drives (SSD) and 2.5-inch PCIe-SSD
– When installing HDDs with different bus technologies (SAS or SATA), first
install SAS drives and then SATA drives.
– Please refer to section
"HDD/SSD install order" on page 91
for a complete
overview of the mounting sequence.
– Install dummy modules into unused HDD/SSD bays.
7.1.2
HDD/SSD install order
HDD/SSD bays assignment
Up to six HDDs/SSDs are installed in a cage. The cages are assigned to the
server nodes as follows.
CX400 M4 equipped with CX2550 M4 server nodes
PSU 2
Node 4
Node 2
PSU 1
Node 3
Node 1
Server nodes and PSUs (rear view)
0
1
0
1
0
1
0
1
Node 1
Node 2
Node 3
Node 4
HDD/SSD cages and front panel (front view)
CX400 M4 equipped with CX2560 M4 server nodes
PSU 2
Node 4
Node 2
PSU 1
Node 3
Node 1
Server nodes and PSUs (rear view)
0
1
2
3
4
5
0
1
2
3
4
5
0
1
2
3
4
5
0
1
2
3
4
5
Node 1
Node 2
Node 3
Node 4
HDD/SSD cages and front panel (front view)