Linux磁盘分区

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年華似水 2018-05-30 16:39:35 博主文章分类：系统管理 ©著作权

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[root@bogon ~]# part parted partprobe partx
[root@bogon ~]# parted anaconda-ks.cfg .cache/ initial-setup-ks.cfg .bash_history .config/ .tcshrc .bash_logout .cshrc .Xauthority .bash_profile g3308l
.bashrc g3308l.1
[root@bogon ~]# parted /dev/sdb mklabel gpt gpt是改磁盘格式警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue? 是/Yes/否/No? yes
信息: You may need to update /etc/fstab.

[root@bogon ~]#
[root@bogon ~]# parted /dev/sdb print
Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志

[root@bogon ~]# [root@bogon ~]# [root@bogon ~]# parted /dev/sdb mkpart primary ext4 1 50G mkprat 创建信息: You may need to update /etc/fstab.

[root@bogon ~]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB primary

[root@bogon ~]# parted /dev/sdb mkpart primary ext4 50G 220G 信息: You may need to update /etc/fstab.

[root@bogon ~]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB primary 2 50.0GB 220GB 170GB primary

[root@bogon ~]# parted /dev/sdb mkpart primary ext4 220G 400G 信息: You may need to update /etc/fstab.

[root@bogon ~]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB primary 2 50.0GB 220GB 170GB primary 3 220GB 400GB 180GB primary

[root@bogon ~]# parted /dev/sdb mkpart primary ext4 400G 450G 信息: You may need to update /etc/fstab.

[root@bogon ~]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB primary 2 50.0GB 220GB 170GB primary 3 220GB 400GB 180GB primary 4 400GB 450GB 50.0GB primary

[root@bogon ~]# parted /dev/sdb mkpart primary ext4 450G 490.4G 信息: You may need to update /etc/fstab.

[root@bogon ~]# [root@bogon ~]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB primary 2 50.0GB 220GB 170GB primary 3 220GB 400GB 180GB primary 4 400GB 450GB 50.0GB primary 5 450GB 490GB 40.4GB primary [root@bogon ~]# [root@bogon ~]# mkf mkfifo mkfs mkfs.ext2 mkfs.fat mkfs.vfat
mkfontdir mkfs.btrfs mkfs.ext3 mkfs.minix mkfs.xfs
mkfontscale mkfs.cramfs mkfs.ext4 mkfs.msdos
[root@bogon ~]# mkfs.ext mkfs.ext2 mkfs.ext3 mkfs.ext4
[root@bogon ~]# mkfs.ext4 /dev/sdb1 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 3055616 inodes, 12206848 blocks 610342 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=2160066560 373 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

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成

[root@bogon ~]# mkfs.ext4 /dev/sdb2 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 10379264 inodes, 41503744 blocks 2075187 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=2189426688 1267 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

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成

[root@bogon ~]# mkfs.ext4 /dev/sdb3 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 10993664 inodes, 43945472 blocks 2197273 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=2191523840 1342 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

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成

[root@bogon ~]# mkfs.ext4 /dev/sdb4 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 3055616 inodes, 12206848 blocks 610342 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=2160066560 373 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

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成

[root@bogon ~]# mkfs.ext4 /dev/sdb5 mke2fs 1.42.9 (28-Dec-2013) 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 2469152 inodes, 9870848 blocks 493542 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=2157969408 302 block groups 32768 blocks per group, 32768 fragments per group 8176 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624

Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成
[root@bogon ~]# [root@bogon ~]# fdisk - l
用法： fdisk [选项] <磁盘> 更改分区表 fdisk [选项] -l <磁盘> 列出分区表 fdisk -s <分区> 给出分区大小(块数)

选项： -b <大小> 扇区大小(512、1024、2048或4096) -c[=<模式>] 兼容模式：“dos”或“nondos”(默认) -h 打印此帮助文本 -u[=<单位>] 显示单位：“cylinders”(柱面)或“sectors”(扇区，默认) -v 打印程序版本 -C <数字> 指定柱面数 -H <数字> 指定磁头数 -S <数字> 指定每个磁道的扇区数

[root@bogon ~]# fdisk -l

磁盘 /dev/sda：108.4 GB, 108447924224 字节，211812352 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理)：512 字节 / 512 字节 I/O 大小(最小/最佳)：512 字节 / 512 字节磁盘标签类型：dos 磁盘标识符：0x000f1e5e

设备 Boot Start End Blocks Id System /dev/sda1 * 2048 1026047 512000 83 Linux /dev/sda2 1026048 211812351 105393152 8e Linux LVM WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

磁盘 /dev/sdb：490.4 GB, 490431578112 字节，957874176 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理)：512 字节 / 512 字节 I/O 大小(最小/最佳)：512 字节 / 512 字节磁盘标签类型：gpt Disk identifier: B191B484-44AF-438D-938F-11D274A49EB4

Start End Size Type Name

1 2048 97656831 46.6G Microsoft basic primary 2 97656832 429686783 158.3G Microsoft basic primary 3 429686784 781250559 167.7G Microsoft basic primary 4 781250560 878905343 46.6G Microsoft basic primary 5 878905344 957872127 37.7G Microsoft basic primary

磁盘 /dev/mapper/centos-root：53.7 GB, 53687091200 字节，104857600 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理)：512 字节 / 512 字节 I/O 大小(最小/最佳)：512 字节 / 512 字节

磁盘 /dev/mapper/centos-swap：8321 MB, 8321499136 字节，16252928 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理)：512 字节 / 512 字节 I/O 大小(最小/最佳)：512 字节 / 512 字节

磁盘 /dev/mapper/centos-home：45.8 GB, 45843742720 字节，89538560 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理)：512 字节 / 512 字节 I/O 大小(最小/最佳)：512 字节 / 512 字节

创建多个目录挂载（同级目录）！ [root@bogon ~]#mkdir -p /{data,data_db,data_mm,data_zk,data-bak} [root@bogon /]# 挂载 [root@bogon /]# mount /dev/sdb1 /data [root@bogon /]# mount /dev/sdb2 /data_db [root@bogon /]# mount /dev/sdb3 /data_mm [root@bogon /]# mount /dev/sdb4 /data_zk [root@bogon /]# mount /dev/sdb5 /data_bak [root@bogon /]# df -h
文件系统容量已用可用已用% 挂载点 /dev/mapper/centos-root 50G 4.2G 46G 9% / devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 35M 7.6G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/mapper/centos-home 43G 38M 43G 1% /home /dev/sda1 497M 207M 290M 42% /boot tmpfs 1.6G 12K 1.6G 1% /run/user/42 tmpfs 1.6G 0 1.6G 0% /run/user/0 /dev/sdb1 46G 53M 44G 1% /data /dev/sdb2 156G 61M 148G 1% /data_db /dev/sdb3 165G 61M 157G 1% /data_mm /dev/sdb4 46G 53M 44G 1% /data_zk /dev/sdb5 37G 49M 35G 1% /data_bak [root@bogon /]# 添加开机自启 [root@bogon /]# vi /etc/fstab

/etc/fstab

Created by anaconda on Thu May 10 21:49:38 2018

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/centos-root / xfs defaults 0 0 UUID=b1d9e140-abb0-4d5c-b79e-fdd0ef5b5c3d /boot xfs defaults 0 0 /dev/mapper/centos-home /home xfs defaults 0 0 /dev/mapper/centos-swap swap swap defaults 0 0 ~ ~

/etc/fstab

Created by anaconda on Thu May 10 21:49:38 2018

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/centos-root / xfs defaults 0 0 UUID=b1d9e140-abb0-4d5c-b79e-fdd0ef5b5c3d /boot xfs defaults 0 0 /dev/mapper/centos-home /home xfs defaults 0 0 /dev/sdb3 on /data_mm type ext4 (rw,relatime,seclabel,data=ordered) "/etc/fstab" 17L, 916C written [root@bogon /]# [root@bogon /]# df -h
文件系统容量已用可用已用% 挂载点 /dev/mapper/centos-root 50G 4.2G 46G 9% / devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 35M 7.6G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/mapper/centos-home 43G 38M 43G 1% /home /dev/sda1 497M 207M 290M 42% /boot tmpfs 1.6G 12K 1.6G 1% /run/user/42 tmpfs 1.6G 0 1.6G 0% /run/user/0 /dev/sdb1 46G 53M 44G 1% /data /dev/sdb2 156G 61M 148G 1% /data_db /dev/sdb3 165G 61M 157G 1% /data_mm /dev/sdb4 46G 53M 44G 1% /data_zk /dev/sdb5 37G 49M 35G 1% /data_bak [root@bogon /]# [root@bogon /]# parted /dev/sdb print Model: DELL PERC H330 Adp (scsi) Disk /dev/sdb: 490GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags:

Number Start End Size File system Name 标志 1 1049kB 50.0GB 50.0GB ext4 primary 2 50.0GB 220GB 170GB ext4 primary 3 220GB 400GB 180GB ext4 primary 4 400GB 450GB 50.0GB ext4 primary 5 450GB 490GB 40.4GB ext4 primary