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This article mainly introduces the use of the lvcreate command in Linux, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

The Linux common command lvcreate command is used to create logical volumes for LVM. Logical volumes are created on top of volume groups.

Lvcreate is used to create logical volumes for LVM

Add that the device file corresponding to the logical volume is saved in the volume group directory. For example, if you create a logical volume "lvol0" on the volume group "vg1000", the device file corresponding to this logical volume is "/ dev/vg1000/lvol0".

Syntax lvcreate (option) (parameter) option-L: specifies the size of the logical volume in "kKmMgGtT" bytes;-l: specifies the size of the logical volume (number of LE). Parameter logical volume: specifies the name of the logical volume to create.

The instance uses the lvcreate command to create a logical volume of 200MB on the volume group "vg1000". Enter the following command on the command line:

[root@localhost ~] # lvcreate-L 200m vg1000 # creates a logical volume with a size of 200m. The output information is as follows:

Logical volume "lvol0" created description: after a successful creation, the new logical volume "lvol0" will be accessed through the device file / dev/vg1000/lvol0.

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