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

I got a centos7.5 to install 12.2rac, and there is not enough space to install database software, so I plan to expand lvm.

Operating system version:

[root@mdb1] # lsb_release-a

LSB Version:: core-4.1-amd64:core-4.1-noarch

Distributor ID: CentOS

Description: CentOS Linux release 7.5.1804 (Core)

Release: 7.5.1804

Codename: Core

Sdb disk initialization to physical volume

[root@mdb1 ~] # pvcreate / dev/sdb

Physical volume "/ dev/sdb" successfully created.

Add the physical volume to be added to the vg volume group

[root@mdb1 ~] # vgs

VG # PV # LV # SN Attr VSize VFree

Centos 1 1 0 wz--n- 21.53g 0

[root@mdb1 ~] # vgextend centos / dev/sdb

Volume group "centos" successfully extended

[root@mdb1 ~] # vgs

VG # PV # LV # SN Attr VSize VFree

Centos 2 1 0 wz--n-

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