NVME-LIST-SUBSYS

NAME

nvme-list-subsys - List all NVMe subsystems

SYNOPSIS

nvme list-subsys [-o <fmt> | --output-format=<fmt>] <device>

DESCRIPTION

Scan the sysfs tree for NVM Express subsystems and return the controllers for those subsystems as well as some pertinent information about them. If a device is given, print out only the values for the controllers and subsystems leading to the device.

OPTIONS

-o <format>, --output-format=<format>

Set the reporting format to normal or json. Only one output format can be used at a time.

EXAMPLES

root@host [1] # nvme list-subsys
nvme-subsys0 - NQN=nvmf-test
\
+- nvme0 rdma traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.1
+- nvme1 rdma traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.2
nvme-subsys1 - NQN=nvmf-test2
\
+- nvme2 rdma traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.2
+- nvme3 rdma traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.1

root@host [1] # nvme list-subsys -o json
{
"Subsystems" : [
{
"Name" : "nvme-subsys0",
"NQN" : "nvmf-test"
},
{
"Paths" : [
{
"Name" : "nvme0",
"Transport" : "rdma",
"Address" : "traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.1"
},
{
"Name" : "nvme1",
"Transport" : "rdma",
"Address" : "traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.2"
}
]
},
{
"Name" : "nvme-subsys1",
"NQN" : "nvmf-test2"
},
{
"Paths" : [
{
"Name" : "nvme2",
"Transport" : "rdma",
"Address" : "traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.2"
},
{
"Name" : "nvme3",
"Transport" : "rdma",
"Address" : "traddr=1.1.1.3,trsvcid=4420,host_traddr=1.1.1.1"
}
]
}
]
}

NVME

Part of the nvme-user suite

NOTES

1.

root@host

mailto:root@host