将一个三T的硬盘分区并做LVM
解决方案
增加磁盘 -> 初始化物理卷 -> 扩容卷组 -> 扩容逻辑卷
因为fdisk不能创建大于2T的分区，创建大分区得用parted
parted将硬盘进行分区：
查看磁盘信息，这里将vdc进行分区
[root@ftp 05]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sr0 11:0 1 1024M 0 rom
vda 252:0 0 40G 0 disk
├─vda1 252:1 0 1G 0 part /boot
└─vda2 252:2 0 39G 0 part
├─centos-root 253:0 0 35G 0 lvm /
└─centos-swap 253:1 0 4G 0 lvm [SWAP]
vdb 252:16 0 2T 0 disk /home/dpan
vdc 252:32 0 3T 0 disk
parted /dev/vdc
[root@ftp 05]# parted /dev/vdc
GNU Parted 3.1
Using /dev/vdc
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vdc: 3299GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
(parted) mklabel
New disk label type? gpt
Warning: The existing disk label on /dev/vdc 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/vdc: 3299GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
(parted) mkpart primary 4096s 100%
(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vdc: 3299GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 2097kB 3299GB 3299GB primary
#这里已经分区完成了
(parted) toggle 1 lvm #打个标签
(parted) p
Model: Virtio Block Device (virtblk)
Disk /dev/vdc: 3299GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 2097kB 3299GB 3299GB primary lvm
(parted) quit
Information: You may need to update /etc/fstab.
#使用命令查看
#lsblk
分区完成。下面进行LVM操作，创建相应的PV VG LV
LVM相关操作，参考LVM管理进行后续操作
#完成效果如图
#df -h
