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7.2
Basic information
HDDs/SSDs
Using CX2550 M6 server nodes, the server enclosure can be equipped with a
maximum of 8 x 2.5 " HDD/SSD modules.
Using CX2560 M6 server nodes, the server enclosure can be equipped with a
maximum of 24 x 2.5 " HDD/SSD modules.
Each HDD/SSD module can accommodate an SAS/SATA HDD or SSD with a
maximum height of 1 inch. The module is connected to the SAS/SATA
backplane wirelessly. This allows HDD/SSD modules to be plugged in or pulled
out easily.
Six SATA HDDs/SSDs can be controlled by the onboard SATA controller. To
control SAS HDDs/SSDs, an additional SAS / RAID controller must be
installed.
Hybrid configurations of SAS HDDs, SATA HDDs, SAS SSDs and SATA SSDs
within the same logical drive (RAID array) are not supported.
If the server node has the corresponding RAID configuration, HDD/SSD
modules can also be replaced during operation.
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 M6 equipped with CX2550 M6 server nodes
Node 4
PSU 2
Node 2
Node 3
PSU 1
Node 1
Table 5: Server nodes and PSUs (rear view)
0 1
0 1
0 1
0 1
Node 1
Node 2
Node 3
Node 4
Table 6: HDD/SSD cages and front panel (front view)
Hard disk drive (HDD) / solid state disk (SSD)
108
Upgrade and Maintenance Manual
CX400 M6