CentOS下使用parted分区工具分区大于2T硬盘
需求: 服务器上用raid做了一个10T的硬盘,现在需要挂载到CentOS6.5上,但linux上的fdisk只能分小于2T的硬盘,所需要借助parted工具来实现分区挂载
1、安装parted
yum -y install parted
2、把sdb分为一个区,安装完成后,用下面的命令
# parted /dev/sdb (用parted 分区sdb10T硬盘)
GNU Parted 2.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt (将MBR磁盘格式化为GPT)
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
是/Yes/否/No? yes (提示你所有数据将丢失,是否继续,输入Yes)
(parted) print (列出分区信息,直接用p也行)
Model: HP LOGICAL VOLUME (scsi)
Disk /dev/sdb: 10.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name 标志
(parted) mkpart primary 0 10TB (直接分一个10T的主分区)
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放弃/Cancel? Ignore
(parted) print
Model: HP LOGICAL VOLUME (scsi)
Disk /dev/sdb: 10.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name 标志
1 17.4kB 10.0TB 10.0TB primary
(parted) quit
信息: You may need to update /etc/fstab.
3、 然后把sdb1格式化成ext4
# mkfs.ext4 /dev/sdb1
# mkdir -p /data10t (建立一个挂载点)
# mount -t ext4 /dev/sdb1 /data10t (使用mount把此分区挂载上去)
4、写到fstab中,使机器开机自动挂载
vi /etc/fstab 在最后加上
/dev/sdb1 /data10t ext4 defaults 1 2
然后保存即可!
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