Serveraid-Mr10Is Sas/Sata Controller Description; Controller Limitations - IBM ServeRAID-MR10is User Manual

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ServeRAID-MR10is SAS/SATA Controller Description

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Controller Limitations

•
Serial Management Protocol (SMP), which communicates topology
management information directly with an attached SAS expander
device
•
Serial Tunneling Protocol (STP), which enables communication with
a SATA II device through an attached expander
The ServeRAID-MR10is controller offers data protection using the Data
Encryption (DE) feature. This feature protects data from theft and helps
meet regulatory compliance. The physical drives and the controller have
keys that you can enable or disable to turn the data encryption feature
on or off.
As it applies to data encryption, the DE feature satisfies the Federal
Information Processing Standard (FIPS197) requirements set forth by the
National Institute of Standards and Technology (IEEEP1619). These
standards are used by non-military government agencies and
contractors. See Section 3.4, "Data Encryption,"
about DE.
The ServeRAID-MR10is controller is available with eight PHYs. The
controller has one LSISAS1078DE processor that controls eight internal
SAS/SATA ports through two SAS x8 internal connectors.
The ServeRAID-MR10is controller has the following limitations:
•
You can connect only one device per SAS PHY unless you use an
expander
•
You can use a maximum cable length of six feet (using shorter
cables is preferred)
•
Cables have to meet the SAS specification
•
You cannot use SAS drives and SATA drives in the same virtual disk
•
You cannot mix SAS or SATA Solid State Drives (SSDs) and legacy
mechanical drives (SAS or SATA) in the same virtual disk
ServeRAID-MR10is SAS/SATA Controller Description
for more information
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