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ES3000 V3 NVMe PCIe SSD User Guide 20

This document provides the product information about the Huawei ES3000 V3 PCIe SSD (ES3000 V3 for short) and describes how to install, configure, operate, and maintain the ES3000 V3.
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Uninstalling the Driver in Linux

Uninstalling the Driver in Linux

Operation Scenario

If you want to stop using or replace the ES3000 V3, uninstall the driver first.

Procedure

  1. Log in to the OS as an administrator.
  2. Stop or exit the programs or files that are accessing the ES3000 V3.
  3. Run the uninstallation command based on the OS type.

    • For RHEL, CentOS, or OEL, run the rpm -e kmod-hiodriver command.
    • For SLES or UVP, run the rpm -e hiodriver-kmp-kernel feature command. Example: rpm -e hiodriver-kmp-default
    • For Ubuntu or Debian, run the dpkg -r hiodriver command.

  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.
    • If yes, go to 7.
    • If no, go to 5.

  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.
    • If yes, go to 6.
    • If no, go to 10.

  6. Check whether restarting the OS will affect services.

    • If yes, go to 9.
    • If no, restart the OS and go to 10.

  7. Check whether restarting the OS will affect services.

    • If yes, go to 8.
    • If no, restart the OS and go to 10.

  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.

    • If yes, restart the OS and go to 10.
    • If no, go to 9.

  9. Run the modprobe nvme command to install the open-source driver. Check whether a warning or error is displayed during the installation.

    • If yes, restart the OS and go to 10.
    • If no, go to 10.

  10. Run the modinfo nvme command to check the driver author information to determine whether the driver is successfully installed.

    The following command output indicates that the driver is successfully uninstalled.

    modinfo: could not find module nvme

    The following author in the command output also indicates that the driver is successfully uninstalled.

    author:         Matthew Wilcox <willy@linux.intel.com>
    • If yes, no further action is required.
    • If no, go to 11.

  11. Contact Huawei technical support for help.
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Updated: 2019-03-12

Document ID: EDOC1000101091

Views: 64490

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