Linux command
pvchange 命令
安全
权限或系统影响较大，执行前请核对目标。
常用示例
Allow
sudo pvchange -x y /dev/sdXN
Disallow
sudo pvchange -x n /dev/sdXN
Ignore
sudo pvchange --metadataignore y /dev/sdXN
Stop ignoring
sudo pvchange --metadataignore n /dev/sdXN
Add tag
sudo pvchange --addtag mytag /dev/sdXN
Example
sudo pvchange --uuid /dev/sdXN
Example
sudo pvchange -a -x y
说明
pvchange changes the attributes of a physical volume in LVM. It can control allocation, metadata handling, tagging, and UUID generation for physical volumes.
参数
- -x, --allocatable {y|n}
- Allow or disallow allocation of physical extents on this volume
- --metadataignore {y|n}
- Ignore or use metadata areas on this physical volume
- --addtag TAG
- Add a tag to the physical volume
- --deltag TAG
- Remove a tag from the physical volume
- --uuid
- Generate a new UUID for the physical volume
- -a, --all
- Change all visible physical volumes
- -f, --force
- Force operation
- -v, --verbose
- Verbose mode
FAQ
What is the pvchange command used for?
pvchange changes the attributes of a physical volume in LVM. It can control allocation, metadata handling, tagging, and UUID generation for physical volumes.
How do I run a basic pvchange example?
Run `sudo pvchange -x y /dev/sdXN` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -x, --allocatable {y|n} do in pvchange?
Allow or disallow allocation of physical extents on this volume