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1parted
2===
3
4磁盘分区和分区大小调整工具
5
6## 补充说明
7
8**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。
9
10### 语法
11
12```shell
13parted(选项)(参数)
14```
15
16### 选项
17
18```shell
19-h:显示帮助信息;
20-i:交互式模式;
21-s:脚本模式,不提示用户;
22-v:显示版本号。
23```
24
25### 参数
26
27* 设备:指定要分区的硬盘所对应的设备文件;
28* 命令:要执行的parted命令。
29
30### 实例
31
32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。
33
34红帽企业 Linux 4 Update 4供对大于 2 terabytes(TB)的磁盘设备的支持。
35
36请参考以下操作步骤:
37
38注:
39
40* 绿色代表你需要使用的命令。
41* 红色代表你需要注意到的输出信息,在后续需要使用。
42
43```shell
44[root@localhost ~]# fdisk -l
45Disk /dev/sda: 35.8 GB, 35862976512 bytes
46255 heads, 63 sectors/track, 4360 cylinders
47Units = cylinders of 16065 * 512 = 8225280 bytes
48 Device Boot Start End Blocks id System
49/dev/sda1 * 1 13 104391 83 Linux
50/dev/sda2 14 144 1052257+ 82 Linux swap
51/dev/sda3 145 4360 33865020 83 Linux
52Disk /dev/sdb: 2147 MB, 2147483648 bytes
53255 heads, 63 sectors/track, 261 cylinders
54Units = cylinders of 16065 * 512 = 8225280 bytes
55Disk /dev/sdb doesn't contain a valid partition table
56```
57
58```shell
59[root@localhost ~]# parted /dev/sdb
60GNU Parted Copyright (C) 1998 - 2004 free Software Foundation, Inc.
61This program is free software, covered by the GNU General Public License.
62This program is distributed in the hope that it will be useful, but WITHOUT ANY
63WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
64PARTICULAR PURPOSE. See the GNU General Public License for more details.
65使用/dev/sdb
66(parted)mklabel gpt
67(parted)print
68/dev/sdb的磁盘几何结构:0.000-2048.000兆字节
69磁盘标签类型:gpt
70Minor 起始点 终止点 文件系统 名称 标志
71(parted)mkpart primary 0 2048 <-----上面print显示的数字
72(parted)print
73/dev/sdb的磁盘几何结构:0.000-2048.000兆字节
74磁盘标签类型:gpt
75Minor 起始点 终止点 文件系统 名称 标志
761 0.017 2047.983
77(parted)quit
78```
79
80如果必要,不要忘记更新`/etc/fstab`
81
82```shell
83[root@localhost ~]# fdisk -l
84Disk /dev/sda: 35.8 GB, 35862976512 bytes
85255 heads, 63 sectors/track, 4360 cylinders
86Units = cylinders of 16065 * 512 = 8225280 bytes
87 Device Boot Start End Blocks Id System
88/dev/sda1 * 1 13 104391 83 Linux
89/dev/sda2 14 144 1052257+ 82 Linux swap
90/dev/sda3 145 4360 33865020 83 Linux
91WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
92
93Disk /dev/sdb: 2147 MB, 2147483648 bytes
94255 heads, 63 sectors/track, 261 cylinders
95Units = cylinders of 16065 * 512 = 8225280 bytes
96 Device Boot Start End Blocks Id System
97/dev/sdb1 1 262 2097151+ ee EFI GPT
98Partition 1 has different physical/logical beginnings (non-Linux?):
99 phys=(0, 0, 1) logical=(0,0, 2)
100Partition 1 has different physical/logical endings:
101 phys=(1023, 254, 63) logical=(261, 21, 16)
102```
103
104```shell
105[root@localhost ~]# mkfs.ext3 /dev/sdb1
106mke2fs 1.35 (28-Feb-2004)
107Filesystem label=
108OS type: Linux
109Block size=4096 (log=2)
110Fragment size=4096 (log=2)
111262144 inodes, 524279 blocks
11226213 blocks (5.00%) reserved for the super user
113First data block=0
114Maximum filesystem blocks=536870912
11516 block groups
11632768 blocks per group, 32768 fragments per group
11716384 inodes per group
118Superblock backups stored on blocks:
119 32768, 98304, 163840, 229376, 294912
120Writing inode tables: done
121Creating journal (8192 blocks): done
122Writing superblocks and filesystem accounting information: done
123This filesystem will be automatically checked every 28 mounts or
124180 days, whichever comes first. Use tune2fs -c or -i to override.
125```
126
127```shell
128[root@localhost ~]# mount /dev/sdb1 /mnt
129[root@localhost ~]# df -h
130Filesystem 容量 已用 可用 已用% 挂载点
131/dev/sda3 <?xml:namespace prefix = st1 />32G 2.6G 28G 9% /
132/dev/sda1 99M 12M 82M 13% /boot
133none 252M 0 252M 0% /dev/shm
134/dev/sdb1 2.0G 36M 1.9G 2% /mnt
135```
136
137