'\" 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" .ie \n(.g .ds Aq \(aq .el .ds Aq ' .ss \n[.ss] 0 .nh .ad l .de URL \fI\\$2\fP <\\$1>\\$3 .. .als MTO URL .if \n[.g] \{\ . mso www.tmac . am URL . ad l . . . am MTO . ad l . . . LINKSTYLE blue R < > .\} .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" "."