Notifying the OS
Step 1 Log in to the OS as the root user.
Step 2 Stop all services accessing the ES3000 V3 disk.
Step 3 If you have used the mount command to attach the disk partitions to certain paths, use the
umount command to detach the partitions.
Step 4 Run the following command to notify the OS to take power off the device.
$slot in the commands indicates the actual number of the slot where the device is attached.
echo 0 > /sys/bus/pci/slots/$slot/power
Step 5 if the OS uses the irqbalance service to balance CPU interrupts, restart the service by using
one of the following commands after performing a hot plug:
l For Red Hat 6 or CentOs 6, run service irqbalance restart.
l For SLES 11, run service irq_balancer restart.
l For SLES 12 or Red Hat 7, run systemctl restart irqbalance.service.
NOTE
l For Red Hat 6, CentOs 6, or SLES 12, you can add IRQBALANCE_ARGS="--hintpolicy=exact" to the
end of the /etc/sysconfig/irqbalance file content to better balance interrupts.
l To configure the irqbalance service in other OSs, refer to documents related to the OSs.
----End
4.2.2 Orderly Hot Plug of a Disk in Windows
Operation Scenario
Notify the Windows OS before hot removing the ES3000 V3 disk.
Preparations
l You have correctly installed the ES3000 V3 disk on the server.
l You have installed the Windows tool package. For details, see 3.7.2 Installing the Tool
Package (Windows).
Procedure
Step 1 Log in to the OS as an administrator or administrator group member.
Step 2 Stop all services accessing the ES3000 V3 disk.
Step 3 Double-click the HioadmGUI_DotNet_x.0.exe file in the tool installation directory to
display the Windows GUI window, as shown in Figure 4-1.
l If the .NET Framework version is 2.0 or 3.5, double-click the
HioadmGUI_DotNet_2.0.exe file in the tool installation directory.
l If the .NET Framework version is 4.0 or 4.5, double-click the
HioadmGUI_DotNet_4.0.exe file in the tool installation directory.
ES3000 V3 NVMe PCIe SSD
User Guide
4 Hot Plug
Issue 20 (2019-02-27) Copyright © Huawei Technologies Co., Ltd. 60