#格式化U盘,成fat32
fdisk -l
#获取U盘设备信息
#Disk /dev/sdc: 16.0 GB, 16025387008 bytes, 31299584 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: 0x456b933f
#Device Boot Start End Blocks Id System
#/dev/sdc1 2048 31299583 15648768 c W95 FAT32 (LBA)
fdisk /dev/sdc
>>m #命令列表
>>p #分区信息
>>d #del分区
>>n #新建分区 >>p #主分区 >>e #逻辑分区
>>l #查看分区信息
>>c #对U盘分区进行fat32格式化
>>w #保存修改
>>q #退出
调整 /home分区大小
#查看挂载在/home的分区,因为/home 是逻辑分区
[[email protected] ~]# df -h |grep home
/dev/mapper/centos-home 100G 33M 100G 1% /home
#查看有没有用户占用/home
[[email protected] ~]# fuser -m /home
#没有则,卸载/home
[[email protected] ~]#umount /home
#删除原分区
[[email protected] ~]# lvremove /dev/centos/home
#重新分区成100G
[[email protected] ~]# lvcreate -L 100G -n home centos
#格式化成xfs
[[email protected] ~]# mkfs.xfs /dev/centos/home
#重新挂载到/home
[[email protected] ~]# mount /dev/centos/home /home/