Fujitsu PRIMERGY BX920 S4 Operating Manual page 15

Each HDD/SSD module can accommodate an SAS/SATA hard disk drive or an
SAS/SATA SSD drive. The module is connected to the SAS/SATA backplane
wirelessly. This allows HDD/SSD modules to be plugged in or pulled out easily.
Two SAS/SATA hard disk drives or SAS/SATA SSD drives can be controlled by
the onboard SAS/SATA controller.
Mixed configurations of SAS HDDs, SATA HDDs, SAS SSDs and SATA SSDs
within the same logical drive (RAID array) are not supported.
If the server blade has a corresponding RAID configuration, HDD/SSD modules
can also be replaced during operation.
Onboard CNA controller
A CNA controller is integrated on the system board; up to 4 x 1 Gbit/s or
2x 10 Gbit/s can be selected on the CNA controller.
For more information on configuring the controller, see section
onboard CNA controller" on page
Onboard SAS/SATA controller
A SAS/SATA controller is integrated on the system board; up to two SAS/SATA
hard disk drives or SAS/SATA SSD drives can be connected to the controller.
The LSI Embedded MegaRAID software (SATA Software RAID) supports RAID
levels 0, 1 and 10. The SAS functionality needs to be enabled separately by
using an onboard SAS enabling key.
For more information on configuring the controller, see section
onboard SAS/SATA controller" on page
SAS/SATA RAID controller
The server blade is available with the following SAS/SATA RAID controllers for
operating the internal SAS/SATA hard disk drives:
– Modular RAID 5/6 controller with "MegaRAID functionality" (SAS
MegaRAID) for SAS1.0 and SAS2.0
RAID levels 0, 1, 10, 1E, 5, 50, 6 and 60 are supported for internal hard disk
drive configurations. As an option, a flash backup unit (FBU) can save the
memory content even if the power fails. Cache memory size of 512 Mbyte is
available.
BX920 S4
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Operating Manual
Functional overview
"Configuring the
"Configuring the
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