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'\" t
.\" Title: nvme-list-subsys
.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 03/31/2023
.\" Manual: NVMe Manual
.\" Source: NVMe
.\" Language: English
.\"
.TH "NVME\-LIST\-SUBSYS" "1" "03/31/2023" "NVMe" "NVMe Manual"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
nvme-list-subsys \- List all NVMe subsystems
.SH "SYNOPSIS"
.sp
.nf
\fInvme list\-subsys\fR [\-o <fmt> | \-\-output\-format=<fmt>] <device>
.fi
.SH "DESCRIPTION"
.sp
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\&.
.SH "OPTIONS"
.PP
\-o <format>, \-\-output\-format=<format>
.RS 4
Set the reporting format to
\fInormal\fR
or
\fIjson\fR\&. Only one output format can be used at a time\&.
.RE
.SH "EXAMPLES"
.sp
.if n \{\
.RS 4
.\}
.nf
\m[blue]\fBroot@host\fR\m[]\&\s-2\u[1]\d\s+2# nvme list\-subsys
nvme\-subsys0 \- NQN=nvmf\-test
\e
+\- 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
\e
+\- 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
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
\m[blue]\fBroot@host\fR\m[]\&\s-2\u[1]\d\s+2# 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"
}
]
}
]
}
.fi
.if n \{\
.RE
.\}
.SH "NVME"
.sp
Part of the nvme\-user suite
.SH "NOTES"
.IP " 1." 4
root@host
.RS 4
\%mailto:root@host
.RE
|
