微网站建设收费,珠海网站建设小程序,福建宏盛建设集团有限公司网站,苏州论坛型网站建设一、fdisk命令中参数介绍#xff1a;1.查看硬盘使用情形#fdisk -l 观察硬盘之实体使用情形2.fdisk /dev/sda#xff0c;进入硬盘分割模式1. 输入 m 显示所有命令列示。2. 输入 p 显示硬盘分割情形。3. 输入 a 设定硬盘启动区。4. 输入 n 设定新的硬盘分割区。4.1. 输入 e 硬盘…一、fdisk命令中参数介绍1.查看硬盘使用情形#fdisk -l 观察硬盘之实体使用情形2.fdisk /dev/sda进入硬盘分割模式1. 输入 m 显示所有命令列示。2. 输入 p 显示硬盘分割情形。3. 输入 a 设定硬盘启动区。4. 输入 n 设定新的硬盘分割区。4.1. 输入 e 硬盘为[延伸]分割区(extend)。4.2. 输入 p 硬盘为[主要]分割区(primary)。5. 输入 t 改变硬盘分割区属性。6. 输入 d 删除硬盘分割区属性。7. 输入 q 结束不存入硬盘分割区属性。8. 输入 w 结束并写入硬盘分割区属性二、实战将/dev/sdd整个磁盘划成一个分区[rootdb01 ~]# fdisk/dev/sddCommand(m for help): p ###查看分区信息Disk /dev/sdd: 1073MB, 1073741824 bytes255 heads, 63sectors/track, 130 cylindersUnits cylinders of16065 * 512 8225280 bytesSector size(logical/physical): 512 bytes / 512 bytesI/O size(minimum/optimal): 512 bytes / 512 bytesDisk identifier:0x0814ae42Device Boot Start End Blocks Id SystemCommand(m for help): n ###创建分区Command actione extendedp primary partition (1-4)p ###创建主分区Partition number (1-4): 1 ###分区号为1First cylinder (1-130, default 1): ###柱面默认为1Using default value1Last cylinder, cylinders or size{K,M,G} (1-130, default 130): ###柱面默认为最大130 (即使用全部剩余空间)Using default value130Command(m for help): w ###按照以上分区信息写入磁盘The partition tablehas been altered!三、实战删除整个分区Command(m for help):p ###查看分区信息Disk /dev/sdd: 1073MB, 1073741824 bytes255 heads, 63sectors/track, 130 cylindersUnits cylinders of16065 * 512 8225280 bytesSector size(logical/physical): 512 bytes / 512 bytesI/O size(minimum/optimal): 512 bytes / 512 bytesDisk identifier:0x0814ae42Device Boot Start End Blocks Id System/dev/sdd1 1 130 1044193 83 LinuxCommand(m for help): d ###删除分区Selectedpartition1 ###只有一个分区时默认删除Command(m for help): w ###按照以上分区信息写入磁盘The partition tablehas been altered!Calling ioctl() tore-read partition table.Syncing disks.四、实战创建两个分区分区一200M分区二800M[rootdb01 ~]# fdisk/dev/sddWARNING:DOS-compatible mode is deprecated. Its strongly recommended toswitch off the mode (command c) andchange display units tosectors (command u).Command(m for help): n ###创建分区Command actione extendedp primary partition (1-4)p ###创建主分区Partition number (1-4): 1 ###分区号为1First cylinder (1-130, default 1): ###柱面默认为1Using default value1Last cylinder, cylinders or size{K,M,G} (1-130, default 130):200M ###该分区分配200M空间Command(m for help): n ###创建分区Command actione extendedp primary partition (1-4)p ###创建主分区Partition number (1-4): 2 ###分区号为2First cylinder (27-130, default 27): ###柱面默认为27Using default value27Last cylinder, cylinders or size{K,M,G} (27-130, default130): ###柱面默认为最大130(即使用全部剩余空间)Using default value130Command (m forhelp): pDisk /dev/sdd: 1073MB, 1073741824 bytes255 heads, 63sectors/track, 130 cylindersUnits cylinders of16065 * 512 8225280 bytesSector size(logical/physical): 512 bytes / 512 bytesI/O size(minimum/optimal): 512 bytes / 512 bytesDisk identifier:0x0814ae42Device Boot Start End Blocks Id System/dev/sdd1 1 26 208813 83 Linux/dev/sdd2 27 130 835380 83 LinuxCommand(m for help): w ###按照以上分区信息写入磁盘The partition tablehas been altered!五、实战创建主分区、扩展分区、逻辑分区案例[rootdb01 ~]# fdisk/dev/sddWARNING:DOS-compatible mode is deprecated. Its strongly recommended toswitch off the mode (command c) andchange display units tosectors (command u).Command(m for help): n ###创建分区Command actione extendedp primary partition (1-4)p ###创建主分区Partition number (1-4): 1 ###分区号为1First cylinder (1-130, default 1): ###柱面默认为1Using default value1Last cylinder, cylinders or size{K,M,G} (1-130, default 130):200M ###该分区分配200M空间Command(m for help): n ###创建分区Command actione extendedp primary partition (1-4)e ###创建扩展分区Partition number (1-4): 2 ###分区号为2First cylinder (27-130, default 27): ###柱面默认为27Using default value27Last cylinder, cylinders or size{K,M,G} (27-130, default130): ###柱面默认为最大130 (即使用全部剩余空间)扩展分区必须是剩余全部空间Using default value130Command(m for help): n ###创建分区Command actionl logical (5 or over)p primary partition (1-4)l ###创建逻辑分区First cylinder (27-130, default 27): ###柱面默认为27Using default value27Last cylinder, cylinders or size{K,M,G} (27-130, default 130):200M ###该分区分配200M空间Command(m for help): n ###创建分区Command actionl logical (5 or over)p primary partition (1-4)l ###创建逻辑分区First cylinder (53-130, default 53): ###柱面默认为53Using default value53Last cylinder, cylinders or size{K,M,G} (53-130, default 130):200M ###该分区分配200M空间Command(m for help): n ###创建分区Command actionl logical (5 or over)p primary partition (1-4)l ###创建逻辑分区First cylinder (79-130, default 79): ###柱面默认为79Using default value79Last cylinder, cylinders or size{K,M,G} (79-130, default130): ###柱面默认为最大130(即使用全部剩余空间)Using default value130Command (m forhelp): pDisk /dev/sdd: 1073MB, 1073741824 bytes255 heads, 63sectors/track, 130 cylindersUnits cylinders of16065 * 512 8225280 bytesSector size(logical/physical): 512 bytes / 512 bytesI/O size(minimum/optimal): 512 bytes / 512 bytesDisk identifier:0x0814ae42Device Boot Start End Blocks Id System/dev/sdd1 1 26 208813 83 Linux/dev/sdd2 27 130 835380 5 Extended/dev/sdd5 27 52 208813 83 Linux/dev/sdd6 53 78 208813 83 Linux/dev/sdd7 79 130 417658 83 LinuxCommand(m for help):w ###按照以上分区信息写入磁盘六、使用单个分区的方式进行格式化分区1.查看分区详情确认改变分区表以免重启电脑了。[rootdb01 ~]# fdisk-l /dev/sdd #查看分区详情Disk /dev/sdd: 1073MB, 1073741824 bytes255 heads, 63sectors/track, 130 cylindersUnits cylinders of16065 * 512 8225280 bytesSector size(logical/physical): 512 bytes / 512 bytesI/O size(minimum/optimal): 512 bytes / 512 bytesDisk identifier:0x0814ae42Device Boot Start End Blocks Id System/dev/sdd1 1 130 1044193 83 Linux[rootdb01~]# partprobe /dev/sdd #确认分区表的改变将分区信息写入磁盘[rootdb01 ~]# ls-lsa /dev/sdd*0 brw-rw----. 1 rootdisk 8, 48 Nov 21 11:02 /dev/sdd0 brw-rw----. 1 rootdisk 8, 49 Nov 21 11:02 /dev/sdd12.格式化分区2.1 mkfs -t ext4 /dev/sdd1 (这种方法不方便不推荐使用)2.2 mkfs.ext4 /dev/sdd1 (推荐这种)[rootdb01 ~]#mkfs.ext4 /dev/sdd1mke2fs 1.41.12(17-May-2010)Filesystem labelOS type: LinuxBlock size4096(log2)Fragment size4096(log2)Stride0 blocks,Stripe width0 blocks65280 inodes, 261048blocks13052 blocks (5.00%)reserved for the super userFirst data block0Maximum filesystemblocks2684354568 block groups32768 blocks pergroup, 32768 fragments per group8160 inodes pergroupSuperblock backupsstored on blocks:32768, 98304, 163840, 229376Writing inodetables: doneCreating journal(4096 blocks): doneWriting superblocksand filesystem accounting information: doneThis filesystem willbe automatically checked every 34 mounts or180 days, whichevercomes first. Use tune2fs -c or -i tooverride.七、挂载分区[rootdb01 ~]# mkdir/alexpeng[rootdb01 ~]# mount/dev/sdd1 /alexpeng[rootdb01 ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/sda3 45G 4.4G 39G 11% /tmpfs 1004M 0 1004M 0% /dev/shm/dev/sda1 485M 39M 421M 9% /boot/dev/sdb2 79G 184M 75G 1% /oracle/dev/sdb1 20G 172M 19G 1% /soft/dev/sdd1 1004M 18M 936M 2% /alexpeng八、配置开启自动挂载分区[rootdb01 /]# vi/etc/fstabUUID3e8b0960-23d2-48f3-8661-3f24ce85e9e6/ ext4 defaults 1 1tmpfs /dev/shm tmpfs defaults 0 0devpts /dev/pts devpts gid5,mode620 0 0sysfs /sys sysfs defaults 0 0proc /proc proc defaults 0 0/dev/sdd1 /alexpeng ext4 defaults 0 0测试配置是否正确[rootdb01 /]#umount /alexpeng/[rootdb01 /]# mount/alexpeng/如果不正确出现以下信息[rootdb01 /]# mount/alexpeng/mount: cant find/alexpeng/ in /etc/fstab or /etc/mtab
