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| 关键词： nbsp partition 硬盘 dev table 182401 Blocks sdc Command cylinders |
公司内网的服务器硬盘空间不足，将新买来的150G硬盘挂载并设置成samba的共享目录，下面介绍怎样将一块新硬盘分区、格式化、挂载到系统，如适合你请继续阅读。服务器上已经有两块硬盘，所以硬盘为sdc，后面就不做说明了，至于不知道sdc怎么回事的人，先去问问百度大哥再回来接着看。 1、# fdisk -l 查看当前磁盘信息，就会发现最下面显示新加入的硬盘不是有效分区，如下： Disk /dev/sdc: 1500.3 GB, 1500301910016 bytes 255 heads, 63 sectors/track, 182401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdc doesn't contain a valid partition table 2、# fdisk /dev/sdc 对新硬盘分区，并根据提示进一步操作 Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel. Changes will remain in memory only, until you decide to write them. After that, of course, the previous content won't be recoverable. The number of cylinders for this disk is set to 182401. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with: 1) software that runs at boot time (e.g., old versions of LILO) 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK) Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) Command (m for help): h 输入h可查看帮助命令 h: unknown command Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition's system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality (experts only) Command (m for help): n 输入n进行分区 Command action e extended p primary partition (1-4) p 输入p为主分区，e为逻辑分区 Partition number (1-4): 1 由于是新盘我们输入1来分第一个主分区，共可以分4个主分区 First cylinder (1-182401, default 1): 选择该分区的起始磁盘数，如无特殊需求强烈建议选择默认，也就是1来分区（直接按回车） Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-182401, default 182401): 定义该分区的大小，如果按默认（按回车）即是使用全部可用存储额，如分一个1G的空间，输入+1024m Using default value 182401 Command (m for help): w 写入分区 The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. 3、# fdisk -l 可以找到我们刚才分的一个分区，内容如下： Disk /dev/sdc: 1500.3 GB, 1500301910016 bytes 255 heads, 63 sectors/track, 182401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 182401 1465136001 83 Linux 4、# mkfs -t ext3 -c /dev/sdc1 对分区使用ext3格式化，如多个分区sdc2等以此类推，因为新硬盘加了-c参数要先检测磁盘坏道，此过程万分漫长（150G），等待。。。 mke2fs 1.39 (29-May-2006) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 183156736 inodes, 366284000 blocks 18314200 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 11179 block groups 32768 blocks per group, 32768 fragments per group 16384 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848 Checking for bad blocks (read-only test): done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 22 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. 5、# mkdir /var/samba 新建挂载目录 6、# mount /dev/sdc1 /var/samba 挂载新硬盘 7、# df -hl 查看分区大小是否和我们预定的一样： 文件系统 容量 已用 可用 已用% 挂载点 /dev/sda7 9.5G 3.2G 5.9G 35% / /dev/sda6 9.5G 151M 8.9G 2% /tmp /dev/sda5 19G 3.6G 15G 20% /usr /dev/sda3 19G 719M 18G 4% /home /dev/sda2 230G 23G 196G 11% /var /dev/sda1 99M 25M 69M 27% /boot /dev/sdb1 233G 156G 78G 67% /var/samba2 tmpfs 1008M 0 1008M 0% /dev/shm /dev/sdc1 1.4T 198M 1.3T 1% /var/samba 此行为新硬盘 8、# vi /etc/fstab 设置系统自动挂载硬盘，加入一行： /dev/sdc1 /var/samba2 ext3 defaults 0 0 9、重启服务器，用步骤7检查一下，一切正常挂载完成，祝好运~ |
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