使用parted，e2label操作磁盘分区

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<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: normal; background-color: rgb(255, 255, 255); text-align: center; "><b><font size="4">使用parted，e2label操作磁盘分区</font></b></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# df</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Filesystem           1K-blocks      Used Available Use% Mounted on</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda2             17008476  15375516    768960  96% /</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">tmpfs                   603748         0    603748   0% /dev/shm</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda1               198337     24175    163922  13% /boot</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sdb5              4805162     76950   4484072   2% /work</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">在进行磁盘分区的删除，调整大小时最好是在secure mode 下进行。或者把要进行操作的设备中的所有</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">分区都umount。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# umount /dev/sdb5</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# df</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Filesystem           1K-blocks      Used Available Use% Mounted on</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda2             17008476  15375520    768956  96% /</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">tmpfs                   603748         0    603748   0% /dev/shm</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda1               198337     24175    163922  13% /boot</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">打印下设备的分区表，parted 也可以像那么那样用的，这样整个操作的界面就简介多了，不过提示</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">和帮助信息就少了。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# parted  /dev/sdb print</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Model: ATA VBOX HARDDISK (scsi)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Disk /dev/sdb: 8590MB</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Sector size (logical/physical): 512B/512B</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Partition Table: msdos</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Number  Start  End     Size    Type      File system  Flags</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 1      512B   8590MB  8590MB  extended               lba</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 5      1024B  5000MB  5000MB  logical   ext3</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">在新建一个逻辑分区。把/dev/sdb 剩余的容量都分配给他。提示你可能需要更新/etc/fstab 文件。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">如果需要把该分区设置为在启动的时候自动挂载的话才需要进行处理。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# parted /dev/sdb mkpart logical ext4 5G 8590M</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Information: You may need to update /etc/fstab.   </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">再次打印分区表，确定新增一个分区以后的情况。                     </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# parted  /dev/sdb print                       </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Model: ATA VBOX HARDDISK (scsi)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Disk /dev/sdb: 8590MB</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Sector size (logical/physical): 512B/512B</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Partition Table: msdos</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Number  Start   End     Size    Type      File system  Flags</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 1      512B    8590MB  8590MB  extended               lba</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 5      1024B   5000MB  5000MB  logical   ext3</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 6      5001MB  8590MB  3589MB  logical</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">把新建的逻辑分区删除。执行该命令的时候前往要注意 rm 那么接的number。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">这里的6 表示/dev/sdb6.</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# parted  /dev/sdb rm 6</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Information: You may need to update /etc/fstab.                           </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">如果一个分区原本是设置为开机自动挂载的，现在你把那个分区给删除了相应的</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/etc/fstab 中的条目也应该删除掉。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">来看看删除分区以后的情况。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# parted  /dev/sdb print</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Model: ATA VBOX HARDDISK (scsi)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Disk /dev/sdb: 8590MB</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Sector size (logical/physical): 512B/512B</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Partition Table: msdos</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Number  Start  End     Size    Type      File system  Flags</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 1      512B   8590MB  8590MB  extended               lba</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"> 5      1024B  5000MB  5000MB  logical   ext3</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">确定系统内核已经认到了新建的分区（/dev/sdb6）.</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# cat /proc/partitions </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">major minor  #blocks  name</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8       16    8388608 sdb</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8       17          1 sdb1</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8       21    4882812 sdb5</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8       22    2928640 sdb6</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8        0   20971520 sda</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8        1     204800 sda1</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8        2   17280000 sda2</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">   8        3    3481600 sda3</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">对新建的分区进行格式化，选择的文件系统是ext4.</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# mkfs -t ext4 /dev/sdb6 </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">mke2fs 1.41.12 (17-May-2010)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Filesystem label=</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">OS type: Linux</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Block size=4096 (log=2)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Fragment size=4096 (log=2)</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Stride=0 blocks, Stripe width=0 blocks</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">183264 inodes, 732160 blocks</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">36608 blocks (5.00%) reserved for the super user</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">First data block=0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Maximum filesystem blocks=750780416</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">23 block groups</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">32768 blocks per group, 32768 fragments per group</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">7968 inodes per group</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Superblock backups stored on blocks: </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">        32768, 98304, 163840, 229376, 294912</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Writing inode tables: done                            </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Creating journal (16384 blocks): done</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Writing superblocks and filesystem accounting information: done</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">This filesystem will be automatically checked every 27 mounts or</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">180 days, whichever comes first.  Use tune2fs -c or -i to override.</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">给新建的分区分配一个卷标。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# e2label /dev/sdb6 /back  </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">创建一个挂载点。        </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# mkdir /back </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">把开机挂载的有关信息写入/etc/fstab。</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# echo "LABEL=/back  /back  ext4 defaults 1 2" >> /etc/fstab</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# tac /etc/fstab</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">LABEL=/back  /back  ext4 defaults 1 2</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">proc                    /proc                   proc    defaults        0 0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">sysfs                   /sys                    sysfs   defaults        0 0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">devpts                  /dev/pts                devpts  gid=5,mode=620  0 0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">tmpfs                   /dev/shm                tmpfs   defaults        0 0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sdb5               /work                   ext3                      defaults        1 2</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">UUID=abeebc15-b0c1-487c-b000-c214cc79e564 swap                    swap    defaults        0 0</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">UUID=b46a645d-d6e2-44a6-9de8-38f8085d641b /boot                   ext4    defaults        1 2</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">UUID=9ffa5331-6df0-4631-a711-7f033d4a3f14 /                       ext4    defaults        1 1</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">#</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"># See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"># Accessible filesystems, by reference, are maintained under '/dev/disk'</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">#</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"># Created by anaconda on Sun Feb  5 13:39:11 2012</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体"># /etc/fstab</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">#</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# df</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Filesystem           1K-blocks      Used Available Use% Mounted on</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda2             17008476  15375524    768952  96% /</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">tmpfs                   603748         0    603748   0% /dev/shm</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda1               198337     24175    163922  13% /boot</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">使用卷标挂载分区.</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# mount /back          </font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">[root@zeng ~]# df</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">Filesystem           1K-blocks      Used Available Use% Mounted on</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda2             17008476  15375524    768952  96% /</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">tmpfs                   603748         0    603748   0% /dev/shm</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sda1               198337     24175    163922  13% /boot</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sdb5              4805162     76950   4484072   2% /work</font></div><div style="line-height: normal; background-color: rgb(255, 255, 255); "><font size="3" face="黑体">/dev/sdb6              2882592     69832   2666328   3% /back</font></div><br class="Apple-interchange-newline">

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