a. Run the following command to record the original a8 register value (the PCI data in
column 9 of row a0):
lspci -xxx -s <B/D/F>
<B/D/F>: indicates the root port (B/D/F) of the NVMe drive. For details about the
B/D/F information, see Table 3-2.
For example, if the drive No. is 2, run the following command:
lspci -xxx -s 85:03.0
Figure 3-45 Querying the original register value
NOTE
If the default a8 register value is not f1, contact Huawei technical support.
b. Change the value of the a8 register to e1.
setpci -s <B/D/F> a8.B=e1
<B/D/F>: indicates the root port (B/D/F) of the NVMe drive. For details about the
B/D/F information, see Table 3-2.
c. Run the following command to check the modification result:
lspci -xxx -s <B/D/F>
<B/D/F>: indicates the root port (B/D/F) of the NVMe drive. For details about the
B/D/F information, see Table 3-2.
Figure 3-46 Querying the new register value of drive 2 (example)
FusionServer Pro CH121 V5 Compute Node
User Guide
3 Basic Operations
Issue 06 (2019-08-10) Copyright © Huawei Technologies Co., Ltd. 60
To Next Page
Loading...
