U盘 格式化 ext3 ext4
[root@ok Desktop]# mkfs.ext3 /dev/sdc mke2fs 1.41.12 (17-May-2010) /dev/sdc is entire device, not just one partition! Proceed anyway? (y,n) y Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 61054976 inodes, 244190646 blocks 12209532 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 7453 block groups 32768 blocks per group, 32768 fragments per group 8192 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 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: #这里要卡一会,因为磁盘是1T的
Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 20 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override.
下面进行磁盘分区:
[root@ok Desktop]# fdisk /dev/sdc Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with disk identifier 0xd907b092. 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) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): m 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):
Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-121601, default 1): Using default value 1 Last cylinder, +cylinders or +size{K,M,G} (1-121601, default 121601): 30400 Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 2 First cylinder (30401-121601, default 30401): Using default value 30401 Last cylinder, +cylinders or +size{K,M,G} (30401-121601, default 121601): 60800 Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 3 First cylinder (60801-121601, default 60801): Using default value 60801 Last cylinder, +cylinders or +size{K,M,G} (60801-121601, default 121601): 91200 Command (m for help): n Command action e extended p primary partition (1-4) e Selected partition 4 First cylinder (91201-121601, default 91201): Using default value 91201 Last cylinder, +cylinders or +size{K,M,G} (91201-121601, default 121601): Using default value 121601 Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x447d7cde Device Boot Start End Blocks Id System /dev/sdc1 1 30400 244187968+ 83 Linux /dev/sdc2 30401 60800 244188000 83 Linux /dev/sdc3 60801 91200 244188000 83 Linux /dev/sdc4 91201 121601 244196032+ 5 Extended
[root@ok Desktop]# fdisk /dev/sdc WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): m 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 First cylinder (91201-121601, default 91201): Using default value 91201 Last cylinder, +cylinders or +size{K,M,G} (91201-121601, default 121601): Using default value 121601 Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@ok Desktop]# fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x000dcf9e Device Boot Start End Blocks Id System /dev/sda1 * 1 64 512000 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 64 60802 487873536 8e Linux LVM Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x447d7cde Device Boot Start End Blocks Id System /dev/sdc1 1 30400 244187968+ 83 Linux /dev/sdc2 30401 60800 244188000 83 Linux /dev/sdc3 60801 91200 244188000 83 Linux /dev/sdc4 91201 121601 244196032+ 5 Extended /dev/sdc5 91201 121601 244196001 83 Linux Disk /dev/mapper/vg_ok-lv_root: 53.7 GB, 53687091200 bytes 255 heads, 63 sectors/track, 6527 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_ok-lv_swap: 3841 MB, 3841982464 bytes 255 heads, 63 sectors/track, 467 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000
进行格式化:
[root@ok Desktop]# mkfs.ext4 /dev/sdc1 mke2fs 1.41.12 (17-May-2010) warning: 208 blocks unused. Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 15291504 inodes, 61046784 blocks 3052349 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 1863 block groups 32768 blocks per group, 32768 fragments per group 8208 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 34 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override.
同理:
mkfs.ext4 /dev/sdc2 mkfs.ext4 /dev/sdc3 mkfs.ext4 /dev/sdc5 [root@ok Desktop]# fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x000dcf9e Device Boot Start End Blocks Id System /dev/sda1 * 1 64 512000 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 64 60802 487873536 8e Linux LVM Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x447d7cde Device Boot Start End Blocks Id System /dev/sdc1 1 30400 244187968+ 83 Linux /dev/sdc2 30401 60800 244188000 83 Linux /dev/sdc3 60801 91200 244188000 83 Linux /dev/sdc4 91201 121601 244196032+ 5 Extended /dev/sdc5 91201 121601 244196001 83 Linux Disk /dev/mapper/vg_ok-lv_root: 53.7 GB, 53687091200 bytes 255 heads, 63 sectors/track, 6527 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_ok-lv_swap: 3841 MB, 3841982464 bytes 255 heads, 63 sectors/track, 467 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_ok-lv_home: 442.1 GB, 442050281472 bytes 255 heads, 63 sectors/track, 53742 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000
[root@ok Desktop]# cd /mnt/ [root@ok mnt]# ls [root@ok mnt]# mkdir dir{1,2,3,5} [root@ok mnt]# ls dir1 dir2 dir3 dir5 [root@ok mnt]# mount /dev/sdc1 /mnt/dir1 [root@ok mnt]# mount /dev/sdc2 /mnt/dir2 [root@ok mnt]# mount /dev/sdc3 /mnt/dir3 [root@ok mnt]# mount /dev/sdc5 /mnt/dir5
root@ok mnt]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_ok-lv_root 50G 11G 37G 22% / tmpfs 1.8G 328K 1.8G 1% /dev/shm /dev/sda1 477M 85M 368M 19% /boot /dev/mapper/vg_ok-lv_home 406G 110G 275G 29% /home /dev/sdc1 230G 60M 218G 1% /mnt/dir1 /dev/sdc2 230G 60M 218G 1% /mnt/dir2 /dev/sdc3 230G 60M 218G 1% /mnt/dir3 /dev/sdc5 230G 60M 218G 1% /mnt/dir5
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