Huawei IN200 NIC
User Guide
Figure 3-13 Advanced screen
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3.2.2 Modifying the GRUB Configuration File
Depending on the Linux distributions, the system Grand Unified Boot Loader (GRUB)
configuration file may be grub.conf or grub.cfg.
To avoid memory mapping and performance problems on the host, add
iommu.passthrough=1 to the GRUB file when SR-IOV is enabled.
This section describes how to configure the iommu.passthrough=1 parameters in the SR-
IOV pass-through mode.
Procedure
This section uses RHEL 7.6 as an example to describe how to modify the system GRUB
configuration file.
Step 1 Run the following command to check whether SR-IOV is enabled:
l
l
Step 2 In the system, run the find command to search for the GRUB file.
Issue 06 (2019-07-27)
If yes, no further action is required.
If no, go to
Step
2.
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3 Configuring SR-IOV
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