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blkpr - Man Page

run persistent reservations command on a device

Examples (TL;DR)


blkpr [options] device


blkpr is used to run persistent reservations command on device that supports Persistent Reservations feature.

The device argument is the pathname of the block device.


-c,  --command command

The command of 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.


zhenwei pi

See Also


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 at https://github.com/util-linux/util-linux/issues.


The blkpr command is part of the util-linux package which can be downloaded from Linux Kernel Archive.


2024-04-24 util-linux 2.40.2 System Administration