BLKPR(8) System Administration BLKPR(8) NAME blkpr - run a persistent-reservations command on a device SYNOPSIS blkpr [options] device DESCRIPTION blkpr is used to run a persistent-reservations command on a device that supports the Persistent Reservations feature. The device argument is the pathname of the block device. OPTIONS -c, --command command The command for managing persistent reservations. Supported commands are: register, reserve, release, preempt, preempt-abort, and clear. -k, --key key The key the command should operate on. -K, --oldkey oldkey The old key the command should operate on. -f, --flag flag Supported flag is ignore-key. -t, --type type Supported types are write-exclusive, exclusive-access, write-exclusive-reg-only, exclusive-access-reg-only, write-exclusive-all-regs, and exclusive-access-all-regs. -V, --version Display version information and exit. -h, --help Display help text and exit. AUTHORS zhenwei pi <pizhenwei@bytedance.com> SEE ALSO sg_persist(8) Linux documentation at: <https://docs.kernel.org/block/pr.html> iSCSI specification at: <https://datatracker.ietf.org/doc/html/rfc3720> NVMe-oF specification at: <https://nvmexpress.org/nvme-over-fabrics-part-two/> REPORTING BUGS For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>. AVAILABILITY The blkpr command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>. util-linux 2.41.2 2025-09-22 BLKPR(8)
blkpr \- run a persistent\-reservations command on a device