Shulou(Shulou.com)06/02 Report--

Purpose

Merge two empty hard drives into "one" and mount them to the specified directory to achieve the effect of using all the space of 2 hard drives in one directory.

Conditions

Hard disk 1 / dev/sdb hard disk 2 / dev/sdc

Method

Create pv

Pvcreate / dev/sdb / / hard disk 1pvcreate / dev/sdc / / hard disk 2

Create vg

/ / vgcreate [Custom LVM name] [device] / / create vg:LVMvgcreate LVM / dev/sdb using hard disk 1 first

Extended vg

/ / vgextend [Custom vg name] [device] / / extend vgvgextend LVM / dev/sdc with hard disk 2

Create lv

/ / lvcreate-L [Custom Partition size]-n [Custom Partition name] [vg name] / / * Partition size cannot exceed the sum of hard disk capacity * lvcreate-L5.0T-nDB_DATA LVM

Format Partition

/ / mkfs-t [file system] [partition location] mkfs-t ext4 / dev/LVM/DB_DATA

Mount partition

/ / mount [partition location] [directory address] mount / dev/LVM/DB_DATA / root/DB_DATA

Set boot load

Add the following line at the end of the / etc/fstab file.

/ dev/LVM/DB_DATA / root/DB_DATA ext4 defaults 1 2

The above is the whole content of this article, I hope it will be helpful to your study, and I also hope that you will support it.

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