Linux磁盘分区实战案例(必看篇)
<p><span><strong>一.查看新添加磁盘</strong></span></p><div class="jb51code">
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<div class="line number1 index0 alt2"><code class="xhtml plain"># fdisk -l</code></div>
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<div class="line number3 index2 alt2"><code class="xhtml plain">磁盘 /dev/sda：53.7 GB, 53687091200 字节，104857600 个扇区</code></div>
<div class="line number4 index3 alt1"><code class="xhtml plain">Units = 扇区 of 1 * 512 = 512 bytes</code></div>
<div class="line number5 index4 alt2"><code class="xhtml plain">扇区大小(逻辑/物理)：512 字节 / 512 字节</code></div>
<div class="line number6 index5 alt1"><code class="xhtml plain">I/O 大小(最小/最佳)：512 字节 / 512 字节</code></div>
<div class="line number7 index6 alt2"><code class="xhtml plain">磁盘标签类型：dos</code></div>
<div class="line number8 index7 alt1"><code class="xhtml plain">磁盘标识符：0x0009f1d1</code></div>
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<div class="line number11 index10 alt2"><code class="xhtml plain">/dev/sda1 * 2048 1026047 512000 83 Linux</code></div>
<div class="line number12 index11 alt1"><code class="xhtml plain">/dev/sda2 1026048 5253119 2113536 82 Linux swap / Solaris</code></div>
<div class="line number13 index12 alt2"><code class="xhtml plain">/dev/sda3 5253120 104857599 49802240 83 Linux</code></div>
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<code class="xhtml spaces"> </code> </div>
<div class="line number15 index14 alt2"><code class="xhtml plain">磁盘 /dev/sdb：21.5 GB, 21474836480 字节，41943040 个扇区</code></div>
<div class="line number16 index15 alt1"><code class="xhtml plain">Units = 扇区 of 1 * 512 = 512 bytes</code></div>
<div class="line number17 index16 alt2"><code class="xhtml plain">扇区大小(逻辑/物理)：512 字节 / 512 字节</code></div>
<div class="line number18 index17 alt1"><code class="xhtml plain">I/O 大小(最小/最佳)：512 字节 / 512 字节</code></div>
<div class="line number19 index18 alt2"><code class="xhtml plain">磁盘标签类型：dos</code></div>
<div class="line number20 index19 alt1"><code class="xhtml plain">磁盘标识符：0x12f9141b</code></div>
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<code class="xhtml spaces"> </code> </div>
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<code class="xhtml spaces"> </code><code class="xhtml plain">设备 Boot Start End Blocks Id System</code>
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<div class="line number23 index22 alt2"><code class="xhtml plain">/dev/sdb1 2048 10487807 5242880 83 Linux</code></div>
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<p> <span><strong>二.磁盘分区</strong></span></p>
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<div class="line number1 index0 alt2"><code class="xhtml plain"># fdisk /dev/sdb</code></div>
<div class="line number2 index1 alt1"><code class="xhtml plain">欢迎使用 fdisk (util-linux 2.23.2)。</code></div>
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<code class="xhtml spaces"> </code> </div>
<div class="line number4 index3 alt1"><code class="xhtml plain">更改将停留在内存中，直到您决定将更改写入磁盘。</code></div>
<div class="line number5 index4 alt2"><code class="xhtml plain">使用写入命令前请三思。</code></div>
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<div class="line number8 index7 alt1"><code class="xhtml plain">命令(输入 m 获取帮助)：n （n为创建分区）</code></div>
<div class="line number9 index8 alt2"><code class="xhtml plain">Partition type:</code></div>
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<code class="xhtml spaces"> </code><code class="xhtml plain">p primary (1 primary, 0 extended, 3 free) （p为主分区）</code>
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<code class="xhtml spaces"> </code><code class="xhtml plain">e extended （e为扩展分区）</code>
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<div class="line number12 index11 alt1"><code class="xhtml plain">Select (default p): p</code></div>
<div class="line number13 index12 alt2"><code class="xhtml plain">分区号 (2-4，默认 2)：2</code></div>
<div class="line number14 index13 alt1"><code class="xhtml plain">起始 扇区 (10487808-41943039，默认为 10487808)：</code></div>
<div class="line number15 index14 alt2"><code class="xhtml plain">将使用默认值 10487808</code></div>
<div class="line number16 index15 alt1"><code class="xhtml plain">Last 扇区, +扇区 or +size{K,M,G} (10487808-41943039，默认为 41943039)：+5G （分区的大小）</code></div>
<div class="line number17 index16 alt2"><code class="xhtml plain">分区 2 已设置为 Linux 类型，大小设为 5 GiB</code></div>
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<div class="line number19 index18 alt2"><code class="xhtml plain">命令(输入 m 获取帮助)：w （w保存设置）</code></div>
<div class="line number20 index19 alt1"><code class="xhtml plain">The partition table has been altered!</code></div>
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<div class="line number22 index21 alt1"><code class="xhtml plain">Calling ioctl() to re-read partition table.</code></div>
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<div class="line number24 index23 alt1"><code class="xhtml plain">WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.</code></div>
<div class="line number25 index24 alt2"><code class="xhtml plain">The kernel still uses the old table. The new table will be used at</code></div>
<div class="line number26 index25 alt1"><code class="xhtml plain">the next reboot or after you run partprobe(8) or kpartx(8)</code></div>
<div class="line number27 index26 alt2"><code class="xhtml plain">正在同步磁盘。</code></div>
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<p><span><strong>三.磁盘格式化</strong></span></p>
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<div class="line number1 index0 alt2"><code class="xhtml plain"># partprobe /dev/sdb2 （刷新分区表）</code></div>
<div class="line number2 index1 alt1"><code class="xhtml plain"># mke2fs /dev/sdb2</code></div>
<div class="line number3 index2 alt2"><code class="xhtml plain">mke2fs 1.42.9 (28-Dec-2013)</code></div>
<div class="line number4 index3 alt1"><code class="xhtml plain">文件系统标签=</code></div>
<div class="line number5 index4 alt2"><code class="xhtml plain">OS type: Linux</code></div>
<div class="line number6 index5 alt1"><code class="xhtml plain">块大小=4096 (log=2)</code></div>
<div class="line number7 index6 alt2"><code class="xhtml plain">分块大小=4096 (log=2)</code></div>
<div class="line number8 index7 alt1"><code class="xhtml plain">Stride=0 blocks, Stripe width=0 blocks</code></div>
<div class="line number9 index8 alt2"><code class="xhtml plain">327680 inodes, 1310720 blocks</code></div>
<div class="line number10 index9 alt1"><code class="xhtml plain">65536 blocks (5.00%) reserved for the super user</code></div>
<div class="line number11 index10 alt2"><code class="xhtml plain">第一个数据块=0</code></div>
<div class="line number12 index11 alt1"><code class="xhtml plain">Maximum filesystem blocks=1342177280</code></div>
<div class="line number13 index12 alt2"><code class="xhtml plain">40 block groups</code></div>
<div class="line number14 index13 alt1"><code class="xhtml plain">32768 blocks per group, 32768 fragments per group</code></div>
<div class="line number15 index14 alt2"><code class="xhtml plain">8192 inodes per group</code></div>
<div class="line number16 index15 alt1"><code class="xhtml plain">Superblock backups stored on blocks:</code></div>
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<code class="xhtml spaces"> </code><code class="xhtml plain">32768, 98304, 163840, 229376, 294912, 819200, 884736</code>
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<code class="xhtml spaces"> </code> </div>
<div class="line number19 index18 alt2"><code class="xhtml plain">Allocating group tables: 完成 </code></div>
<div class="line number20 index19 alt1"><code class="xhtml plain">正在写入inode表: 完成 </code></div>
<div class="line number21 index20 alt2"><code class="xhtml plain">Writing superblocks and filesystem accounting information: 完成</code></div>
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<p><span><strong>四.创建目录并挂载分区</strong></span><br></p>
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<div class="line number1 index0 alt2"><code class="xhtml plain"># mkdir /soft</code></div>
<div class="line number2 index1 alt1"><code class="xhtml plain"># mount /dev/sdb2 /soft</code></div>
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<p><span><strong>五.设置开机自挂载</strong></span><br></p>
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<div class="line number1 index0 alt2"><code class="xhtml plain"># vim /etc/fstab </code></div>
<div class="line number2 index1 alt1"><code class="xhtml plain">/dev/sdb2 /soft xfs defaults 0 0</code></div>
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<p><span><strong>六.查看挂载</strong></span></p>
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<div class="line number1 index0 alt2"><code class="xhtml plain"># df -hT</code></div>
<div class="line number2 index1 alt1"><code class="xhtml plain">文件系统 类型 容量 已用 可用 已用% 挂载点</code></div>
<div class="line number3 index2 alt2"><code class="xhtml plain">/dev/sda3 xfs 48G 3.7G 44G 8% /</code></div>
<div class="line number4 index3 alt1"><code class="xhtml plain">devtmpfs devtmpfs 906M 0 906M 0% /dev</code></div>
<div class="line number5 index4 alt2"><code class="xhtml plain">tmpfs tmpfs 914M 80K 914M 1% /dev/shm</code></div>
<div class="line number6 index5 alt1"><code class="xhtml plain">tmpfs tmpfs 914M 8.9M 905M 1% /run</code></div>
<div class="line number7 index6 alt2"><code class="xhtml plain">tmpfs tmpfs 914M 0 914M 0% /sys/fs/cgroup</code></div>
<div class="line number8 index7 alt1"><code class="xhtml plain">/dev/sda1 xfs 497M 116M 382M 24% /boot</code></div>
<div class="line number9 index8 alt2"><code class="xhtml plain">/dev/sdb1 ext2 5.0G 11M 4.7G 1% /dvd</code></div>
<div class="line number10 index9 alt1"><code class="xhtml plain">/dev/sdb2 ext2 5.0G 10M 4.7G 1% /soft</code></div>
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<p>以上就是小编为大家带来的Linux磁盘分区实战案例(必看篇)全部内容了，希望大家多多支持~</p>
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