一、查看新磁盘[root@desktop61 Desktop]# fdisk -cul /dev/sdcDisk /dev/sdc: 21.5 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x00000000二添加逻辑分区[root@desktop61 Desktop]# fdisk -cu /dev/sdcDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabelBuilding a new DOS disklabel with disk identifier 0x740491c5.Changes will remain in memory only, until you decide to write them.After that, of course, the previous content won't be recoverable.Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)Command (m for help): mCommand actiona toggle a bootable flagb edit bsd disklabelc toggle the dos compatibility flagd delete a partitionl list known partition typesm print this menun add a new partitiono create a new empty DOS partition tablep print the partition tableq quit without saving changess create a new empty Sun disklabelt change a partition's system idu change display/entry unitsv verify the partition tablew write table to disk and exitx extra functionality (experts only)Command (m for help): nCommand actione extendedp primary partition (1-4)e---------------〉选择扩展分区Partition number (1-4): 2First sector (2048-41943039, default 2048):Using default value 2048Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039): 10GValue out of range.Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039): +10GCommand (m for help): NCommand actionl logical (5 or over)p primary partition (1-4)L-----------------〉选择逻辑分区First sector (4096-20973567, default 4096):Using default value 4096Last sector, +sectors or +size{K,M,G} (4096-20973567, default 20973567): +5GCommand (m for help): NCommand actionl logical (5 or over)p primary partition (1-4)L-------------------〉选择逻辑分区First sector (10491904-20973567, default 10491904):Using default value 10491904Last sector, +sectors or +size{K,M,G} (10491904-20973567, default 20973567): +5GValue out of range.Last sector, +sectors or +size{K,M,G} (10491904-20973567, default 20973567):Using default value 20973567Command (m for help): P--------------->打印分区列表Disk /dev/sdc: 21.5 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x740491c5Device Boot Start End Blocks Id System/dev/sdc2 2048 20973567 10485760 5 Extended/dev/sdc5 4096 10489855 5242880 83 Linux/dev/sdc6 10491904 20973566 5240831+ 83 Linux自动命名逻辑分区为：sdc5 sdc6Command (m for help): w------------------>保存退出The partition table has been altered!Calling ioctl() to re-read partition table.Syncing disks.[root@desktop61 Desktop]# partparted partprobe partx[root@desktop61 Desktop]# partx -a /dev/sdcBLKPG: Device or resource busyerror adding partition 2BLKPG: Device or resource busyerror adding partition 5BLKPG: Device or resource busyerror adding partition 6三、查看新分区[root@desktop61 Desktop]# fdisk -cu /dev/sdcCommand (m for help): pDisk /dev/sdc: 21.5 GB, 21474836480 bytes139 heads, 49 sectors/track, 6158 cylinders, total 41943040 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x740491c5Device Boot Start End Blocks Id System/dev/sdc2 2048 20973567 10485760 5 Extended/dev/sdc5 4096 10489855 5242880 83 Linux/dev/sdc6 10491904 20973566 5240831+ 83 LinuxCommand (m for help): q四、格式化分区1sdc5[root@desktop61 Desktop]# mkfs.ext4 /dev/sdc5mke2fs 1.41.12 (17-May-2010)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)Stride=0 blocks, Stripe width=0 blocks327680 inodes, 1310720 blocks65536 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=134217728040 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736Writing inode tables: doneCreating journal (32768 blocks): doneWriting superblocks and filesystem accounting information: doneThis filesystem will be automatically checked every 38 mounts or180 days, whichever comes first. Use tune2fs -c or -i to override.2sdc6[root@desktop61 Desktop]# mkfs.ext4 /dev/sdc6mke2fs 1.41.12 (17-May-2010)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)Stride=0 blocks, Stripe width=0 blocks327680 inodes, 1310207 blocks65510 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=134217728040 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736Writing inode tables: doneCreating journal (32768 blocks): doneWriting superblocks and filesystem accounting information: doneThis filesystem will be automatically checked every 30 mounts or180 days, whichever comes first. Use tune2fs -c or -i to override.五、新建挂载目录[root@desktop61 Desktop]# cd /mnt/[root@desktop61 mnt]# lshgfs[root@desktop61 mnt]# mkdir sdc{5,6}[root@desktop61 mnt]# lshgfs sdc5 sdc6[root@desktop61 mnt]# pwd/mnt六、分别自动挂载sdc5、sdc6到/mnt/sdc5 、 /mnt/sdc6[root@desktop61 mnt]# mount /dev/sdc5 /mnt/sdc5[root@desktop61 mnt]# mount /dev/sdc6 /mnt/sdc6七、查可挂载是否成功[root@desktop61 mnt]# mount/dev/mapper/vol0-root on / type ext4 (rw)proc on /proc type proc (rw)sysfs on /sys type sysfs (rw)devpts on /dev/pts type devpts (rw,gid=5,mode=620)tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")/dev/sda1 on /boot type ext4 (rw)/dev/mapper/vol0-home on /home type ext4 (rw)/dev/sdb5 on /tmp/sdb5 type ext4 (rw)/dev/sdb6 on /tmp/sdb6 type ext4 (rw)none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)vmware-vmblock on /var/run/vmblock-fuse type fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)gvfs-fuse-daemon on /root/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev)/dev/sdc5 on /mnt/sdc5 type ext4 (rw)/dev/sdc6 on /mnt/sdc6 type ext4 (rw)九、卸载sdc5 sdc6[root@desktop61 mnt]# umount /dev/sdc5[root@desktop61 mnt]# umount /dev/sdc6[root@desktop61 mnt]# mount/dev/mapper/vol0-root on / type ext4 (rw)proc on /proc type proc (rw)sysfs on /sys type sysfs (rw)devpts on /dev/pts type devpts (rw,gid=5,mode=620)tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")/dev/sda1 on /boot type ext4 (rw)/dev/mapper/vol0-home on /home type ext4 (rw)/dev/sdb5 on /tmp/sdb5 type ext4 (rw)/dev/sdb6 on /tmp/sdb6 type ext4 (rw)none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)vmware-vmblock on /var/run/vmblock-fuse type fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)gvfs-fuse-daemon on /root/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev)十、手工挂载1、查看sdb5的UUID[root@desktop61 mnt]#blkid /dev/sdb52、手工挂载sdb5、sdb6[root@desktop61 mnt]# cd /etc[root@desktop61 etc]# vi fstab## /etc/fstab# Created by anaconda on Fri Apr 11 00:49:26 2014## Accessible filesystems, by reference, are maintained under '/dev/disk'# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info#/dev/mapper/vol0-root / ext4 defaults 1 1UUID=9353a628-e49f-4675-abf4-b0fe76b38fbc /boot ext4 defaults 1 2/dev/mapper/vol0-home /home ext4 defaults 1 2UUID=f3d4a81c-f2d6-48d8-be1a-35647cd74615 swap swap defaults 0 0tmpfs /dev/shm tmpfs defaults 0 0devpts /dev/pts devpts gid=5,mode=620 0 0sysfs /sys sysfs defaults 0 0proc /proc proc defaults 0 0UUID=dfa6e086-e5be-4856-9e8d-9565d52b82e6 /mnt/sdc5 ext4 defaults 0 0/dev/sdc6 /mnt/sdc6 ext4 defaults 0 0方式有通过分区名和UUID十一、查看挂载结果[root@desktop61 etc]# mount -a------------------〉刷新mount[root@desktop61 etc]# mount/dev/mapper/vol0-root on / type ext4 (rw)proc on /proc type proc (rw)sysfs on /sys type sysfs (rw)devpts on /dev/pts type devpts (rw,gid=5,mode=620)tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")/dev/sda1 on /boot type ext4 (rw)/dev/mapper/vol0-home on /home type ext4 (rw)/dev/sdb5 on /tmp/sdb5 type ext4 (rw)/dev/sdb6 on /tmp/sdb6 type ext4 (rw)none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)vmware-vmblock on /var/run/vmblock-fuse type fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)gvfs-fuse-daemon on /root/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev)/dev/sdc5 on /mnt/sdc5 type ext4 (rw)/dev/sdc6 on /mnt/sdc6 type ext4 (rw)[root@desktop61 etc]#
转载于:https://www.cnblogs.com/w-wfy/p/8870755.html
