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106 lines
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106 lines
5.5 KiB
HTML
<h1 id="parted">parted</h1>
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<p>磁盘分区和分区大小调整工具</p>
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<h2 id="补充说明">补充说明</h2>
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<p><strong>parted命令</strong> 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。</p>
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<h3 id="语法">语法</h3>
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<pre><code class="language-bash">parted(选项)(参数)</code></pre>
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<h3 id="选项">选项</h3>
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<pre><code class="language-bash">-h：显示帮助信息；
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-i：交互式模式；
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-s：脚本模式，不提示用户；
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-v：显示版本号。</code></pre>
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<h3 id="参数">参数</h3>
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<ul>
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<li>设备：指定要分区的硬盘所对应的设备文件；</li>
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<li>命令：要执行的parted命令。</li>
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</ul>
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<h3 id="实例">实例</h3>
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<p>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。</p>
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<p>红帽企业 Linux 4 Update 4供对大于 2 terabytes（TB）的磁盘设备的支持。</p>
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<p>请参考以下操作步骤：</p>
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<p>注：</p>
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<ul>
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<li>绿色代表你需要使用的命令。</li>
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<li>红色代表你需要注意到的输出信息，在后续需要使用。</li>
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</ul>
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<pre><code class="language-bash">[root@localhost ~]# fdisk -l
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Disk /dev/sda: 35.8 GB, 35862976512 bytes
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255 heads, 63 sectors/track, 4360 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Device Boot Start End Blocks id System
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/dev/sda1 * 1 13 104391 83 Linux
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/dev/sda2 14 144 1052257+ 82 Linux swap
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/dev/sda3 145 4360 33865020 83 Linux
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Disk /dev/sdb: 2147 MB, 2147483648 bytes
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255 heads, 63 sectors/track, 261 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Disk /dev/sdb doesn't contain a valid partition table</code></pre>
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<pre><code class="language-bash">[root@localhost ~]# parted /dev/sdb
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GNU Parted Copyright (C) 1998 - 2004 free Software Foundation, Inc.
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This program is free software, covered by the GNU General Public License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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使用/dev/sdb
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(parted)mklabel gpt
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(parted)print
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/dev/sdb的磁盘几何结构：0.000-2048.000兆字节
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磁盘标签类型：gpt
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Minor 起始点 终止点 文件系统 名称 标志
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(parted)mkpart primary 0 2048 <-----上面print显示的数字
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(parted)print
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/dev/sdb的磁盘几何结构：0.000-2048.000兆字节
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磁盘标签类型：gpt
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Minor 起始点 终止点 文件系统 名称 标志
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1 0.017 2047.983
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(parted)quit
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</code></pre>
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<p>如果必要，不要忘记更新<code>/etc/fstab</code>。</p>
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<pre><code class="language-bash">[root@localhost ~]# fdisk -l
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Disk /dev/sda: 35.8 GB, 35862976512 bytes
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255 heads, 63 sectors/track, 4360 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Device Boot Start End Blocks Id System
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/dev/sda1 * 1 13 104391 83 Linux
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/dev/sda2 14 144 1052257+ 82 Linux swap
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/dev/sda3 145 4360 33865020 83 Linux
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WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
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Disk /dev/sdb: 2147 MB, 2147483648 bytes
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255 heads, 63 sectors/track, 261 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Device Boot Start End Blocks Id System
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/dev/sdb1 1 262 2097151+ ee EFI GPT
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Partition 1 has different physical/logical beginnings (non-Linux?):
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phys=(0, 0, 1) logical=(0,0, 2)
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Partition 1 has different physical/logical endings:
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phys=(1023, 254, 63) logical=(261, 21, 16)</code></pre>
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<pre><code class="language-bash">[root@localhost ~]# mkfs.ext3 /dev/sdb1
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mke2fs 1.35 (28-Feb-2004)
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Filesystem label=
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OS type: Linux
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Block size=4096 (log=2)
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Fragment size=4096 (log=2)
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262144 inodes, 524279 blocks
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26213 blocks (5.00%) reserved for the super user
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First data block=0
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Maximum filesystem blocks=536870912
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16 block groups
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32768 blocks per group, 32768 fragments per group
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16384 inodes per group
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Superblock backups stored on blocks:
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32768, 98304, 163840, 229376, 294912
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Writing inode tables: done
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Creating journal (8192 blocks): done
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Writing superblocks and filesystem accounting information: done
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This filesystem will be automatically checked every 28 mounts or
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180 days, whichever comes first. Use tune2fs -c or -i to override.</code></pre>
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<pre><code class="language-bash">[root@localhost ~]# mount /dev/sdb1 /mnt
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[root@localhost ~]# df -h
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Filesystem 容量 已用 可用 已用% 挂载点
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/dev/sda3 <?xml:namespace prefix = st1 />32G 2.6G 28G 9% /
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/dev/sda1 99M 12M 82M 13% /boot
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none 252M 0 252M 0% /dev/shm
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/dev/sdb1 2.0G 36M 1.9G 2% /mnt</code></pre>
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