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parted

补充说明

parted命令 是由GNU组织开发的一款功能强大的磁盘分区和分区大小调整工具,与fdisk不同,它支持调整分区的大小。作为一种设计用于Linux的工具,它没有构建成处理与fdisk关联的多种分区类型,但是,它可以处理最常见的分区格式,包括:ext2、ext3、fat16、fat32、NTFS、ReiserFS、JFS、XFS、UFS、HFS以及Linux交换分区。

语法

parted(选项)(参数)

选项

-h:显示帮助信息;

-i:交互式模式;

-s:脚本模式,不提示用户;

-v:显示版本号。

参数

* 设备:指定要分区的硬盘所对应的设备文件;

* 命令:要执行的parted命令。

实例

从串行技术出现以来,越来越多用户选择使用大容量的SATA硬盘创建磁盘阵列;特别是MD1000/MD3000,很轻易就突破2T的LUN,故在此给大家一些指引。

红帽企业 Linux 4 Update 4供对大于 2 terabytes(TB)的磁盘设备的支持。

请参考以下操作步骤:

注:

* 绿色代表你需要使用的命令。

* 红色代表你需要注意到的输出信息,在后续需要使用。

[root@localhost ~]# fdisk -l

Disk /dev/sda: 35.8 GB, 35862976512 bytes

255 heads, 63 sectors/track, 4360 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 144 1052257+ 82 Linux swap

/dev/sda3 145 4360 33865020 83 Linux

Disk /dev/sdb: 2147 MB, 2147483648 bytes

255 heads, 63 sectors/track, 261 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/sdb doesn't contain a valid partition table

[root@localhost ~]# parted /dev/sdb

GNU Parted Copyright (C) 1998 - 2004 free Software Foundation, Inc.

This program is free software, covered by the GNU General Public License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A

PARTICULAR PURPOSE. See the GNU General Public License for more details.

使用/dev/sdb

(parted)mklabel gpt

(parted)print

/dev/sdb的磁盘几何结构:0.000-2048.000兆字节

磁盘标签类型:gpt

Minor 起始点 终止点 文件系统 名称 标志

(parted)mkpart primary 0 2048 <-----上面print显示的数字

(parted)print

/dev/sdb的磁盘几何结构:0.000-2048.000兆字节

磁盘标签类型:gpt

Minor 起始点 终止点 文件系统 名称 标志

1 0.017 2047.983

(parted)quit

如果必要,不要忘记更新/etc/fstab

[root@localhost ~]# fdisk -l

Disk /dev/sda: 35.8 GB, 35862976512 bytes

255 heads, 63 sectors/track, 4360 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 144 1052257+ 82 Linux swap

/dev/sda3 145 4360 33865020 83 Linux

WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdb: 2147 MB, 2147483648 bytes

255 heads, 63 sectors/track, 261 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sdb1 1 262 2097151+ ee EFI GPT

Partition 1 has different physical/logical beginnings (non-Linux?):

phys=(0, 0, 1) logical=(0,0, 2)

Partition 1 has different physical/logical endings:

phys=(1023, 254, 63) logical=(261, 21, 16)

[root@localhost ~]# mkfs.ext3 /dev/sdb1

mke2fs 1.35 (28-Feb-2004)

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

262144 inodes, 524279 blocks

26213 blocks (5.00%) reserved for the super user

First data block=0

Maximum filesystem blocks=536870912

16 block groups

32768 blocks per group, 32768 fragments per group

16384 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912

Writing inode tables: done

Creating journal (8192 blocks): done

Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 28 mounts or

180 days, whichever comes first. Use tune2fs -c or -i to override.

[root@localhost ~]# mount /dev/sdb1 /mnt

[root@localhost ~]# df -h

Filesystem 容量 已用 可用 已用% 挂载点

/dev/sda3 <?xml:namespace prefix = st1 />32G 2.6G 28G 9% /

/dev/sda1 99M 12M 82M 13% /boot

none 252M 0 252M 0% /dev/shm

/dev/sdb1 2.0G 36M 1.9G 2% /mnt