nvme-list-subsys.1

NVME−LIST−SUBSYS

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
NVME
NOTES

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NAME

nvme-list-subsys − List all NVMe subsystems

SYNOPSIS

nvme list−subsys <device> [−−output−format=<fmt> | −o <fmt>] [−−verbose | −v]

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 <fmt>, −−output−format=<fmt>

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

−v, −−verbose

Increase the information detail in the output.

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

mailto:root@host

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