'\" t
.\"     Title: blkpr
.\"    Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.17
.\"      Date: 2023-03-23
.\"    Manual: System Administration
.\"    Source: util-linux 2.39
.\"  Language: English
.\"
.TH "BLKPR" "8" "2023-03-23" "util\-linux 2.39" "System Administration"
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.SH "NAME"
blkpr \- run persistent reservations command on a device
.SH "SYNOPSIS"
.sp
\fBblkpr\fP [options] \fIdevice\fP
.SH "DESCRIPTION"
.sp
\fBblkpr\fP is used to run persistent reservations command on device that supports Persistent Reservations feature.
.sp
The \fIdevice\fP argument is the pathname of the block device.
.SH "OPTIONS"
.sp
\fB\-c\fP, \fB\-\-command\fP \fIcommand\fP
.RS 4
The command of persistent reservations, supported commands are \fBregister\fP, \fBreserve\fP, \fBrelease\fP, \fBpreempt\fP,
\fBpreempt\-abort\fP, and \fBclear\fP.
.RE
.sp
\fB\-k\fP, \fB\-\-key\fP \fIkey\fP
.RS 4
The key the command should operate on.
.RE
.sp
\fB\-K\fP, \fB\-\-oldkey\fP \fIoldkey\fP
.RS 4
The old key the command should operate on.
.RE
.sp
\fB\-f\fP, \fB\-\-flag\fP \fIflag\fP
.RS 4
Supported flag is \fBignore\-key\fP.
.RE
.sp
\fB\-t\fP, \fB\-\-type\fP \fItype\fP
.RS 4
Supported types are \fBwrite\-exclusive\fP, \fBexclusive\-access\fP, \fBwrite\-exclusive\-reg\-only\fP,
\fBexclusive\-access\-reg\-only\fP, \fBwrite\-exclusive\-all\-regs\fP, and \fBexclusive\-access\-all\-regs\fP.
.RE
.sp
\fB\-V\fP, \fB\-\-version\fP
.RS 4
Display version information and exit.
.RE
.sp
\fB\-h\fP, \fB\-\-help\fP
.RS 4
Display help text and exit.
.RE
.SH "AUTHORS"
.sp
.MTO "pizhenwei\(atbytedance.com" "zhenwei pi" ""
.SH "SEE ALSO"
.sp
\fBsg_persist\fP(8)
.sp
Linux documentation at: \c
.URL "https://docs.kernel.org/block/pr.html" ""
iSCSI specification at: \c
.URL "https://datatracker.ietf.org/doc/html/rfc3720" ""
NVMe\-oF specification at: \c
.URL "https://nvmexpress.org/nvme\-over\-fabrics\-part\-two/" "" ""
.SH "REPORTING BUGS"
.sp
For bug reports, use the issue tracker at \c
.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
.SH "AVAILABILITY"
.sp
The \fBblkpr\fP command is part of the util\-linux package which can be downloaded from \c
.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."