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'\" t
.\"     Title: nvme-verify
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 08/02/2024
.\"    Manual: NVMe Manual
.\"    Source: NVMe
.\"  Language: English
.\"
.TH "NVME\-VERIFY" "1" "08/02/2024" "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-verify \- Send an NVMe Verify command, return results
.SH "SYNOPSIS"
.sp
.nf
\fInvme\-verify\fR <device> [\-\-namespace\-id=<nsid> | \-n <nsid>]
                        [\-\-start\-block=<slba> | \-s <slba>]
                        [\-\-block\-count=<nlb> | \-c <nlb>] [\-\-limited\-retry | \-l]
                        [\-\-force\-unit\-access | \-f]
                        [\-\-prinfo=<prinfo> | \-p <prinfo>]
                        [\-\-ref\-tag=<reftag> | \-r <reftag>]
                        [\-\-app\-tag\-mask=<appmask> | \-m <appmask>]
                        [\-\-app\-tag=<apptag> | \-a <apptag>]
                        [\-\-storage\-tag<storage\-tag> | \-S <storage\-tag>]
                        [\-\-storage\-tag\-check | \-C]
                        [\-\-output\-format=<fmt> | \-o <fmt>] [\-\-verbose | \-v]
                        [\-\-timeout=<timeout> | \-t <timeout>]
.fi
.SH "DESCRIPTION"
.sp
The Verify command verifies the integrity of the stored information by reading data and metadata\&.
.SH "OPTIONS"
.PP
\-n <nsid>, \-\-namespace\-id=<nsid>
.RS 4
Namespace ID use in the command\&.
.RE
.PP
\-s <slba>, \-\-start\-block=<slba>
.RS 4
Start block address\&.
.RE
.PP
\-c <nlb>, \-\-block\-count=<nlb>
.RS 4
Number of logical blocks to Verify\&.
.RE
.PP
\-l, \-\-limited\-retry
.RS 4
Sets the limited retry flag\&.
.RE
.PP
\-f, \-\-force\-unit\-access
.RS 4
Set the force\-unit access flag\&.
.RE
.PP
\-p <prinfo>, \-\-prinfo=<prinfo>
.RS 4
Protection Information field definition\&.
.TS
allbox tab(:);
lt lt
lt lt
lt lt
lt lt
lt lt
lt lt.
T{
Bit
T}:T{
Description
T}
T{
3
T}:T{
PRACT: Protection Information Action\&. When set to 1, PI is stripped/inserted on read/write when the block format\(cqs metadata size is 8\&. When set to 0, metadata is passes\&.
T}
T{
2:0
T}:T{
PRCHK: Protection Information Check:
T}
T{
2
T}:T{
Set to 1 enables checking the guard tag
T}
T{
1
T}:T{
Set to 1 enables checking the application tag
T}
T{
0
T}:T{
Set to 1 enables checking the reference tag
T}
.TE
.sp 1
.RE
.PP
\-r <reftag>, \-\-ref\-tag=<reftag>
.RS 4
Optional reftag when used with protection information\&.
.RE
.PP
\-m <appmask>, \-\-app\-tag\-mask=<appmask>
.RS 4
Optional application tag mask when used with protection information\&.
.RE
.PP
\-a <apptag>, \-\-app\-tag=<apptag>
.RS 4
Optional application tag when used with protection information\&.
.RE
.PP
\-S <storage\-tag>, \-\-storage\-tag=<storage\-tag>
.RS 4
Variable Sized Expected Logical Block Storage Tag(ELBST)\&.
.RE
.PP
\-C, \-\-storage\-tag\-check
.RS 4
This flag enables Storage Tag field checking as part of Verify operation\&.
.RE
.PP
\-o <fmt>, \-\-output\-format=<fmt>
.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
.PP
\-v, \-\-verbose
.RS 4
Increase the information detail in the output\&.
.RE
.PP
\-t <timeout>, \-\-timeout=<timeout>
.RS 4
Override default timeout value\&. In milliseconds\&.
.RE
.SH "EXAMPLES"
.sp
No examples yet\&.
.SH "NVME"
.sp
Part of the nvme\-user suite