[root@localhost ~]# cat lvm.yml
---
- hosts: localhost
user: root
tasks:
- name: dbvg volume group creation
lvg:
vg: dbvg
pvs: /dev/sdb
- name: db00 lvm creation
lvol:
vg: dbvg
lv: db00
size: 2G
- name: db01 lvm creation
lvol:
vg: dbvg
lv: db01
size: 2G
- name: db02 lvm creation
lvol:
vg: dbvg
lv: db02
size: 2G
- name: db03 lvm creation
lvol:
vg: dbvg
lv: db03
size: 2G
- name: create file system for db00
filesystem:
fstype: ext4
dev: /dev/dbvg/db00
- name: create file system for db01
filesystem:
fstype: ext4
dev: /dev/dbvg/db01
- name: create file system for db02
filesystem:
fstype: ext4
dev: /dev/dbvg/db02
- name: create file system for db03
filesystem:
fstype: ext4
dev: /dev/dbvg/db03
- name: mount db00 logical volumes
mount:
name: /db00
src: /dev/dbvg/db00
fstype: ext4
state: mounted
- name: mount db01 logical volumes
mount:
name: /db01
src: /dev/dbvg/db01
fstype: ext4
state: mounted
- name: mount db02 logical volumes
mount:
name: /db02
src: /dev/dbvg/db02
fstype: ext4
state: mounted
- name: mount db03 logical volumes
mount:
name: /db03
src: /dev/dbvg/db03
fstype: ext4
state: mounted
[root@localhost ~]#
[root@localhost ~]# ansible-playbook lvm.yml
PLAY [localhost] ***************************************************************
TASK [Gathering Facts] *********************************************************
ok: [localhost]
TASK [dbvg volume group creation] **********************************************
changed: [localhost]
TASK [db00 lvm creation] *******************************************************
changed: [localhost]
TASK [db01 lvm creation] *******************************************************
changed: [localhost]
TASK [db02 lvm creation] *******************************************************
changed: [localhost]
TASK [db03 lvm creation] *******************************************************
changed: [localhost]
TASK [create file system for db00] *********************************************
changed: [localhost]
TASK [create file system for db01] *********************************************
changed: [localhost]
TASK [create file system for db02] *********************************************
changed: [localhost]
TASK [create file system for db03] *********************************************
changed: [localhost]
TASK [mount db00 logical volumes] **********************************************
changed: [localhost]
TASK [mount db01 logical volumes] **********************************************
changed: [localhost]
TASK [mount db02 logical volumes] **********************************************
changed: [localhost]
TASK [mount db03 logical volumes] **********************************************
changed: [localhost]
PLAY RECAP *********************************************************************
localhost : ok=14 changed=13 unreachable=0 failed=0
[root@localhost ~]# fdisk /dev/sdb
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x64668d33.
Command (m for help): p
Disk /dev/sdb: 10.7 GB, 10737418240 bytes, 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x64668d33
Device Boot Start End Blocks Id System
Command (m for help): q
[root@localhost ~]#
[root@localhost ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root centos -wi-ao---- <26.00g
swap centos -wi-ao---- 3.00g
db00 dbvg -wi-ao---- 2.00g
db01 dbvg -wi-ao---- 2.00g
db02 dbvg -wi-ao---- 2.00g
db03 dbvg -wi-ao---- 2.00g
[root@localhost ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos lvm2 a-- <29.00g 0
/dev/sdb dbvg lvm2 a-- <10.00g <2.00g
[root@localhost ~]# vgs
VG #PV #LV #SN Attr VSize VFree
centos 1 2 0 wz--n- <29.00g 0
dbvg 1 4 0 wz--n- <10.00g <2.00g
[root@localhost ~]# lvs /dev/sdb
Volume group "sdb" not found
Cannot process volume group sdb
[root@localhost ~]# lvs /dev/dbvg
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
db00 dbvg -wi-ao---- 2.00g
db01 dbvg -wi-ao---- 2.00g
db02 dbvg -wi-ao---- 2.00g
db03 dbvg -wi-ao---- 2.00g
[root@localhost ~]# df -Th | egrep 'dbvg|Filesystem'
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/dbvg-db00 ext4 2.0G 6.0M 1.8G 1% /db00
/dev/mapper/dbvg-db01 ext4 2.0G 6.0M 1.8G 1% /db01
/dev/mapper/dbvg-db02 ext4 2.0G 6.0M 1.8G 1% /db02
/dev/mapper/dbvg-db03 ext4 2.0G 6.0M 1.8G 1% /db03
[root@localhost ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 centos lvm2 a-- <29.00g 0
/dev/sdb dbvg lvm2 a-- <10.00g <2.00g
[root@localhost ~]# egrep dbvg /etc/fstab
/dev/dbvg/db00 /db00 ext4 defaults 0 0
/dev/dbvg/db01 /db01 ext4 defaults 0 0
/dev/dbvg/db02 /db02 ext4 defaults 0 0
/dev/dbvg/db03 /db03 ext4 defaults 0 0
[root@localhost ~]#
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