1、创建pv

[root@autodeploy nfs]# pvcreate /dev/vdd1

WARNING: xfs signature detected on /dev/vdd1 at offset 0. Wipe it? [y/n]: y

Wiping xfs signature on /dev/vdd1.

Physical volume "/dev/vdd1" successfully created

[root@autodeploy nfs]# pvcreate /dev/vde1

Physical volume "/dev/vde1" successfully created

2、创建vg

[root@autodeploy nfs]# vgcreate nfs_vg /dev/vdd1 /dev/vde1

Volume group "nfs_vg" successfully created

3、创建lv

[root@autodeploy ~]# lvcreate -l 100%FREE -n nfs_lv nfs_vg

Logical volume "nfs_lv" created.

大小可以指定，比如：

lvcreate -l 100G -n nfs_lv nfs_vg

4、格代化lv为xfs

[root@autodeploy dev]# mkfs.xfs /dev/nfs_vg/nfs_lv

meta-data=/dev/nfs_vg/nfs_lv isize=256 agcount=4, agsize=262143488 blks

= sectsz=512 attr=2, projid32bit=1

= crc=0 finobt=0

data = bsize=4096 blocks=1048573952, imaxpct=5

= sunit=0 swidth=0 blks

naming =version 2 bsize=4096 ascii-ci=0 ftype=0

log =internal log bsize=4096 blocks=511999, version=2

= sectsz=512 sunit=0 blks, lazy-count=1

realtime =none extsz=4096 blocks=0, rtextents=0

5、新加入一块100G的盘

pvcreate /dev/vdf1

把pv加到VG中：vgextend nfs_vg /dev/vdf1

将逻辑卷分区VG(nfs_vg)增加100G：lvextend -L +100G /dev/nfs_vg/nfs_lv

调整xfs: resize2fs -p /dev/nfs_vg/nfs_lv