blkpr - Man Page

• Register (command) a new reservation with a given key on a given device: blkpr [-c|--command] register [-k|--key] reservation_key path/to/device
• Set the type of an existing reservation to exclusive access: blkpr [-c|--command] reserve [-k|--key] reservation_key [-t|--type] exclusive-access path/to/device
• Preempt the existing reservation with a given key and replace it with a new reservation: blkpr [-c|--command] preempt [-K|--oldkey] old_key [-k|--key] new_key [-t|--type] write-exclusive path/to/device
• Release a reservation with a given key and type on a given device: blkpr [-c|--command] release [-k|--key] reservation_key [-t|--type] reservation_type path/to/device
• Clear all reservations from a given device: blkpr [-c|--command] clear [-k|--key] key path/to/device

tldr.sh

blkpr [options] device

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.

-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.

zhenwei pi

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/

For bug reports, use the issue tracker.

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