linuxο?[root@centos4~]#lsblk

{NAMEMAJ:MINRM?SIZERO}TYPEMOUNTPOINT

sda8:00220g?anter 0 disk

sda1?8:100000001G是什么?0part}/boot

{sda28:2019G?anter 0 part

?centos-root253:00117G?100000lvm?/

centos-swapp253:100000002G是什么?00lvm?[SWAP]

{sr0?11点0分钟0分钟11、1、1、14.2G?0rom?

。[root@centos4]#df-h]

lesystemsizeUsedAvail.Use%.Mounted.on

。/dev/mapper/centos-root17G3.6g,14g 21% /

devtmpfs 478M 0? 478M 0% /dev

tmpfs?489M,0489M0%/dev/shm

tmpfs 489M? 7.0M? 482M 2% /run

tmpfs?489M,0489M0%/sys/fs/cgroup

/dev/sda11014M?143M是什么?872M是什么?15%/boot

{bartio tmpfstion98M0stion

dev/sda:21.5GB,214746480bytestion

{videv/sdev/sdev/sda:21.5GB,21.21.2147484848484848484880bartiobartiobartiostiostestio

Start End?BlocksidSystem

{dev/sda1。 2048 2099199 1048576 83? Linux

/dev/sda2 2099200?41943039年199219208eLinu

LVM

{bytesting/dev/mapper}{bytors

{bytors=sectors1*512=512bytes

{bytorstings=sectorsting。500M ?)

partprobe /dev/vdb

pvcreate /dev/vdb1

vgcreate vg /dev/vdb1

lvcreate -L 100M -n vo vg

mkfs.ext4 /dev/vg/vo?

?

mkdir /mnt/vo

echo "/dev/vg/vo /mnt/vo ext4 defaults 0 0" >> /etc/fstab

mount -a

vo ?

lvextend -r -L 190M /dev/vg/vo