1、创建pv
[[email protected] ~]# pvcreate /dev/sdb[1-3]
[[email protected] ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 rhel lvm2 a-- 12.00g 4.00m
/dev/sdb1 lvm2 --- 100.00m 100.00m
/dev/sdb2 lvm2 --- 1.00g 1.00g
/dev/sdb3 lvm2 --- 1.00g 1.00g
2、创建VG
[[email protected] ~]# vgcreate datavg /dev/sdb[1-2]
[[email protected] ~]# vgs
VG #PV #LV #SN Attr VSize VFree
datavg 2 0 0 wz--n- 1.09g 1.09g
rhel 1 2 0 wz--n- 12.00g 4.00m
3、创建2个lv
[[email protected] ~]# lvcreate -n datalv -L 500M datavg -n指定lv名字 -L指定大小
Logical volume "datalv" created.
[[email protected] ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
datalv datavg -wi-a----- 500.00m
root rhel -wi-ao---- 10.00g
swap rhel -wi-ao---- 2.00g
[[email protected] ~]# lvcreate -n applv -L 500M datavg
[[email protected] ~]# vgs
VG #PV #LV #SN Attr VSize VFree
datavg 2 2 0 wz--n- 1.09g 116.00m
rhel 1 2 0 wz--n- 12.00g 4.00m
[[email protected] ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
applv datavg -wi-a----- 500.00m
datalv datavg -wi-a----- 500.00m
root rhel -wi-ao---- 10.00g
swap rhel -wi-ao---- 2.00g
4、格式化,挂载
[[email protected] ~]# mkfs.xfs /dev/datavg/applv
[[email protected] ~]# mkdir applv
[[email protected] ~]# mount /dev/datavg/applv /applv
[[email protected] ~]# echo "/dev/datavg/applv /root/applv xfs defaults 0 0" >>/etc/fstab