Huawei ES3000 V3 - Uninstalling the Driver in Linux

5.1.1 Uninstalling the Driver in Linux
Operation Scenario
If you want to stop using or replace the ES3000 V3, uninstall the driver first.
Procedure
Step 1 Log in to the OS as an administrator.
Step 2 Stop or exit the programs or files that are accessing the ES3000 V3.
Step 3 Run the uninstallation command based on the OS type.
l For RHEL, CentOS, or OEL, run the rpm -e kmod-hiodriver command.
l For SLES or UVP, run the rpm -e hiodriver-kmp-kernel feature command. Example:
rpm -e hiodriver-kmp-default
l For Ubuntu or Debian, run the dpkg -r hiodriver command.
Step 4 Check whether the following message is displayed. The message indicates that the installed
NVMe driver fails to be uninstalled.
Warning: fail to uninstall the installed nvme kernel module. Please uninstall the
installed nvme kernel module manually or reboot the system.
l If yes, go to Step 7.
l If no, go to Step 5.
Step 5 Check whether the following message is displayed. The message indicates that the NVMe
driver built in the OS fails to be loaded.
Warning: fail to install the in-kernel nvme kernel module. Please install the in-
kernel nvme kernel module manually or reboot the system.
l If yes, go to Step 6.
l If no, go to Step 10.
Step 6 Check whether restarting the OS will affect services.
l If yes, go to Step 9.
l If no, restart the OS and go to Step 10.
Step 7 Check whether restarting the OS will affect services.
l If yes, go to Step 8.
l If no, restart the OS and go to Step 10.
Step 8 Run the modprobe -r nvme command to uninstall the driver. During the uninstallation, check
whether a message is displayed indicating that the driver is in use. If yes, the uninstallation
fails.
l If yes, restart the OS and go to Step 10.
l If no, go to Step 9.
Step 9 Run the modprobe nvme command to install the open-source driver. Check whether a
warning or error is displayed during the installation.
l If yes, restart the OS and go to Step 10.
l If no, go to Step 10.
ES3000 V3 NVMe PCIe SSD
User Guide
5 Maintenance and Upgrade
Issue 20 (2019-02-27) Copyright © Huawei Technologies Co., Ltd. 63