Detaching A Namespace From An Nvme Controller - Huawei ES3000 V5 User Manual

ES3000 V5 NVMe PCIe SSD
User Guide
Parameter
controllerid
Usage Guidelines
If a Huawei-developed driver is installed, the setting takes effect immediately without needing
to stop I/O services. If an open-source or system-provided driver is installed, the setting takes
effect after the server is restarted.
Example
# Attach namespace 1 of the nvme0 SSD to NVMe controller 1.
[root@localhost tool]#
attaching the namespace succeeded.
Please remove and then install the NVMe driver or reboot the OS.
System Response
If "attach failed" is displayed, the operation failed. The failure causes are as follows:
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6.13.4 Detaching a Namespace from an NVMe Controller

Function
This command is used to detach a namespace from an NVMe controller.
Format
hioadm namespace -d devicename -t operationtype -i namespaceid -c controllerid1
controllerid2 ...
Parameters
Parameter
devicename
Issue 07 (2019-03-19)
Description
ID of an NVMe controller.
The ES3000 V5 SSD has
only one controller. The
value of this parameter is
1.
hioadm namespace -d nvme0 -t 2 -i 1 -c 1
The namespace is already attached to the NVMe controller.
The NVMe controller ID is invalid.
Copyright © Huawei Technologies Co., Ltd.
Value
-
Description
Name of a device.
6 Command Description
Value
Example: nvme0
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