fdisk分区
[root@yonghongbi-0002 ~]# fdisk /dev/vdb
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
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.
Command (m for help): n
Partition number (1-128, default 1):
First sector (34-4294967262, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-4294967262, default 4294967262):
Created partition 1
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
parted分区(2T以上磁盘)
[root@yonghongbi-0002 ~]# parted /dev/vdb
GNU Parted 3.1
Using /dev/vdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
Warning: The existing disk label on /dev/vdb will be destroyed and all data on this disk will be lost. Do you want to continue?
Yes/No? Yes
(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vdb: 2199GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
###全部空间创建一个分区
(parted) mkpart primary 0 -1
Warning: The resulting partition is not properly aligned for best performance.
Ignore/Cancel? i
(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vdb: 2199GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 17.4kB 2199GB 2199GB primary
(parted) quit
Information: You may need to update /etc/fstab.
创建lvm(裸设备如果无其他用途,可以不分区直接创建pv ,例如pvcreate /dev/vdb)
[root@yonghongbi-0002 ~]# yum -y install lvm2
#创建物理卷
[root@yonghongbi-0002 ~]# pvcreate /dev/vdb1
Physical volume "/dev/vdb1" successfully created.
#创建卷组
[root@yonghongbi-0002 ~]# vgcreate vgdisk /dev/vdb1
Volume group "vgdisk" successfully created
# 将vgdisk所有空间创建lv,名字lvdisk
[root@yonghongbi-0002 ~]# lvcreate -l 100%FREE -n lvdisk vgdisk
Logical volume "lvdisk" created.
[root@yonghongbi-0002 ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lvdisk vgdisk -wi-a----- <2.00t
#格式化
[root@yonghongbi-0002 ~]# mkfs.xfs /dev/vgdisk/lvdisk
[root@yonghongbi-0002 ~]# mount /dev/vgdisk/lvdisk /yh
#配置开机挂载
[root@yonghongbi-0002 ~]# vim /etc/fstab
UUID=d9a55f09-b12e-41c3-8e8b-267c46b68cfb / ext4 defaults 1 1
/dev/vgdisk/lvdisk /yh xfs defaults 0 0