'\" t .\" Title: nvme-self-test-log .\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author] .\" Generator: DocBook XSL Stylesheets vsnapshot .\" Date: 04/15/2023 .\" Manual: NVMe Manual .\" Source: NVMe .\" Language: English .\" .TH "NVME\-SELF\-TEST\-LO" "1" "04/15/2023" "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-self-test-log \- Retrieve the log information initiated by device\-self\-test and display it .SH "SYNOPSIS" .sp .nf \fInvme self\-test\fR\-log [\-\-log\-entries= | \-e ] [\-\-output\-format= | \-o ] .fi .SH "DESCRIPTION" .sp Retrieves the log pages from an NVMe device corresponding to the requested self\-test by the user and provides 20\-most recent result returned structure\&. .sp The parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1)\&. .sp On success, the returned log structure may be returned in one of several ways depending on the option flags; the structure may parsed by the program and printed in a readable format or the raw buffer or the json format\&. .sp By default the log is printed out in the normal readable format\&. .SH "OPTION" .PP \-e , \-\-log\-entries= .RS 4 Specifies how many DST log entries the program should request from the device\&. This must be at least one, and shouldn\(cqt exceed the 20 entries\&. Defaults to 20 DST log entries\&. .RE .PP \-o , \-\-output\-format= .RS 4 Set the reporting format to \fInormal\fR, \fIjson\fR, or \fIbinary\fR\&. Only one output format can be used at a time\&. .RE .SH "EXAMPLES" .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} Get the self\-test\-log and print it in a human readable format: .sp .if n \{\ .RS 4 .\} .nf # nvme self\-test\-log /dev/nvme0 .fi .if n \{\ .RE .\} .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} Print the raw output to a file: .sp .if n \{\ .RS 4 .\} .nf # nvme self\-test\-log /dev/nvme0 \-o "binary" .fi .if n \{\ .RE .\} .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} Get the self\-test\-log and print it in a json format: .sp .if n \{\ .RS 4 .\} .nf # nvme self\-test\-log /dev/nvme0 \-o "json" .fi .if n \{\ .RE .\} .RE .SH "NVME" .sp Part of the nvme\-user suite