Linux command
blkpr 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Register
blkpr -c register -k reservation_key /dev/sda
Reserve
blkpr -c reserve -k key -t exclusive-access /dev/sda
Preempt
blkpr -c preempt -K old_key -k new_key -t write-exclusive /dev/sda
Release
blkpr -c release -k key -t type /dev/sda
Clear
blkpr -c clear -k key /dev/sda
说明
blkpr manages persistent reservations on block devices that support SCSI Persistent Reservations. It allows registering, reserving, releasing, preempting, and clearing reservations for shared storage access control.
参数
- -c, --command _cmd_
- Command: register, reserve, release, preempt, clear
- -k, --key _key_
- Reservation key
- -K, --oldkey _key_
- Old key for preempt operations
- -t, --type _type_
- Reservation type (exclusive-access, write-exclusive, etc.)
FAQ
What is the blkpr command used for?
blkpr manages persistent reservations on block devices that support SCSI Persistent Reservations. It allows registering, reserving, releasing, preempting, and clearing reservations for shared storage access control.
How do I run a basic blkpr example?
Run `blkpr -c register -k reservation_key /dev/sda` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -c, --command _cmd_ do in blkpr?
Command: register, reserve, release, preempt, clear