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Functional overview
RAID levels 0, 1, 10, 1E, 5, 50, 6 and 60 are supported for internal hard disk
drive configurations. As an option, a battery backup unit (BBU) can save the
memory content even if the power fails. Cache memory size of 512 Mbyte or
1 Gbyte is available.
I
For more information on configuring the controller, see section
"Configuring the SAS/SATA RAID controller" on page
Further information on SAS/SATA RAID controllers is provided in the
"Modular RAID Controller Installation Guide" (on the Fujitsu manuals
server under Industry Standard Servers - Expansion Cards - Storage Adapters
- LSI SAS / SCSI RAID Controllers).
Further information on other SAS/SATA RAID controllers (e.g. for
operating external SAS/SATA hard disk drives or tape drives) is available
on the Fujitsu manuals server under Industry Standard Servers - Expansion
Cards - Storage Adapters - LSI SAS / SCSI RAID Controllers.
USB connectors
The two USB connectors of the server node support activities carried out by the
service technician. The maximum length of the external cable are three meters.
High level of availability and data security
When memory data is accessed, 1-bit errors are identified in the main memory
and automatically corrected with the error correcting code (ECC) method.
A RAID controller supports different RAID levels and increase the availability
and data security of the system.
The hot-plug HDD modules provide additional availability.
BMC (Baseboard Management Controller)
In a server system, BMC is an independent system of host server system. This
independent system has its own processor and memory; the host system can
be managed by this BMC system even if host hardware or OS hang or went
down.
Major functions supported by the BMC include the following:
Browser access via BMC-s own Web server
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Support of IPMI v1.5 and v2.0
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Out-of-band monitoring and control for sever management over LAN
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Operating Manual
48.
CX270 S2
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