Specifications
True Scale Fabric OFED+ Host Software
February 2014 RN 7.2.2.0.8
Order Number: H31512002US 15
OFED+ Host SW
• OFED SDP has not been qualified for this release. IPoIB is recommended for data
transfers.
1.12 Product Limitations
The following is a list of product limitations for this release:
• Intel products will auto-negotiate with devices that utilize IBTA-compliant
auto-negotiation. When attaching Intel products to a third-party device, the bit
error rate is optimized if the third-party device utilizes attenuation-based tuning.
1.13 Other Information
The following is a list of “need to know” information for this release:
• The Dell PowerEdge M1000e Blade System has been updated with a new backplane
(version 1.1), which requires different QME734x transmitter tuning settings. In
order to facilitate proper transmitter settings, a new module parameter
qme_bp
has been added to the QIB driver. The
qme_bp parameter should be set by the user
to one of two values for the version of the installed backplane. A value of
0 means
the backplane is version 1.0 and the default value of
1 means the backplane is
version 1.1.
The module parameter can be set by editing the
/etc/modprobe.d/ib_qib.conf file for nodes installed with RHEL operational
environment or
/etc/modprobe.conf.local file for nodes installed with SLES
operational environment The string “qme_bp=value” needs to be added to the
“options ib_qib ...” option line. The value contained in this option, in combination
with the chassis slot number, is used by the driver and support script to select the
correct settings and program the QME734x transmitter.
To determine the version of the Dell backplane use the following procedure:
1. Login to the CMC of the Dell PowerEdge M1000e Blade System
2. Type “getsysinfo”
3. Under the Chassis Information, look for Chassis Midplane Version, refer to the
following example:.
Output from getsysinfo:
Chassis Information:
System Model = PowerEdgeM1000
System AssetTag = 123abc
Service Tag =
Chassis Name = dell-cmc
Chassis Location = [UNDEFINED]
Chassis Midplane Version = 1.1
Power Status = ON
• For information on Oracle* Remote Data Service (RDS) support, refer to RAC
Technologies Matrix for Linux Platforms