Linux下磁盘分区、挂载、卸载操作记录
Linux下磁盘分区、挂载、卸载操作记录.
操作环境：CentOS release 6.5 (Final)
Last login: Wed Oct 26 17:25:27 2016 from 118.230.194.76
[root@CentOS ~]#
[root@CentOS ~]# fdisk -l Disk /dev/sda: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 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: 0x00058962 Device Boot Start End Blocks Id System
/dev/sda1 1 63 506016 83 Linux
/dev/sda2 64 65271 523774976 8e Linux LVM Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System Disk /dev/mapper/vg_centos-lv_root: 483.2 GB, 483183820800 bytes
255 heads, 63 sectors/track, 58743 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_home: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 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: 0x00000000 [root@CentOS ~]# fdisk /dev/sdb 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): p Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-65270, default 1): 1
Last cylinder, +cylinders or +size{K,M,G} (1-65270, default 65270):
Using default value 65270 Command (m for help): p Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System
/dev/sdb1 1 65270 524281243+ 83 Linux
Partition 1 does not start on physical sector boundary. Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 2
No free sectors available Command (m for help): w
The partition table has been altered! Calling ioctl() to re-read partition table.
Syncing disks.
[root@CentOS ~]# fdisk -l Disk /dev/sda: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 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: 0x00058962 Device Boot Start End Blocks Id System
/dev/sda1 1 63 506016 83 Linux
/dev/sda2 64 65271 523774976 8e Linux LVM Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System
/dev/sdb1 1 65270 524281243+ 83 Linux
Partition 1 does not start on physical sector boundary. Disk /dev/mapper/vg_centos-lv_root: 483.2 GB, 483183820800 bytes
255 heads, 63 sectors/track, 58743 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_home: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 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: 0x00000000 [root@CentOS ~]# mkfs.ext3 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
/dev/sdb1 alignment is offset by 33280 bytes.
This may result in very poor performance, (re)-partitioning suggested.
文件系统标签=
操作系统:Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=16 blocks, Stripe width=0 blocks
32768000 inodes, 131070310 blocks
6553515 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=4294967296
4000 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 正在写入inode表: 完成
Creating journal (32768 blocks): 完成
Writing superblocks and filesystem accounting information:
完成 This filesystem will be automatically checked every 26 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@CentOS ~]#
[root@CentOS ~]# fdisk -l Disk /dev/sda: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 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: 0x00058962 Device Boot Start End Blocks Id System
/dev/sda1 1 63 506016 83 Linux
/dev/sda2 64 65271 523774976 8e Linux LVM Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System
/dev/sdb1 1 65270 524281243+ 83 Linux
Partition 1 does not start on physical sector boundary. Disk /dev/mapper/vg_centos-lv_root: 483.2 GB, 483183820800 bytes
255 heads, 63 sectors/track, 58743 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_home: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 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: 0x00000000 [root@CentOS ~]# pwd
/root
[root@CentOS ~]# cd /opt
[root@CentOS opt]# mkdir sdb1
[root@CentOS opt]# mount /dev/sdb1 /opt/sdb1
[root@CentOS opt]# mount
/dev/mapper/vg_centos-lv_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/vg_centos-lv_home on /home type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
/dev/sdb1 on /opt/sdb1 type ext3 (rw)
[root@CentOS opt]#
[root@CentOS opt]# cd sdb1/
[root@CentOS sdb1]# ls
lost+found
[root@CentOS sdb1]# ll
总用量 16
drwx------. 2 root root 16384 10月 26 17:55 lost+found
[root@CentOS sdb1]#
[root@CentOS sdb1]#
[root@CentOS sdb1]# cd ..
[root@CentOS opt]#
[root@CentOS opt]# umount /opt/sdb1/
[root@CentOS opt]#
[root@CentOS opt]# mount
/dev/mapper/vg_centos-lv_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/vg_centos-lv_home on /home type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
[root@CentOS opt]#
[root@CentOS opt]#
[root@CentOS opt]#
[root@CentOS opt]# fdisk -l Disk /dev/sda: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 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: 0x00058962 Device Boot Start End Blocks Id System
/dev/sda1 1 63 506016 83 Linux
/dev/sda2 64 65271 523774976 8e Linux LVM Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System
/dev/sdb1 1 65270 524281243+ 83 Linux
Partition 1 does not start on physical sector boundary. Disk /dev/mapper/vg_centos-lv_root: 483.2 GB, 483183820800 bytes
255 heads, 63 sectors/track, 58743 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_home: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 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: 0x00000000 [root@CentOS opt]# fdisk /dev/sdb 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): p Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System
/dev/sdb1 1 65270 524281243+ 83 Linux
Partition 1 does not start on physical sector boundary. Command (m for help): d
Selected partition 1 Command (m for help): 1
1: 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): p Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System Command (m for help): w
The partition table has been altered! Calling ioctl() to re-read partition table.
Syncing disks.
[root@CentOS opt]# fdisk -l Disk /dev/sda: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 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: 0x00058962 Device Boot Start End Blocks Id System
/dev/sda1 1 63 506016 83 Linux
/dev/sda2 64 65271 523774976 8e Linux LVM Disk /dev/sdb: 536.9 GB, 536870912000 bytes
255 heads, 63 sectors/track, 65270 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk identifier: 0x8406cab6 Device Boot Start End Blocks Id System Disk /dev/mapper/vg_centos-lv_root: 483.2 GB, 483183820800 bytes
255 heads, 63 sectors/track, 58743 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 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: 0x00000000 Disk /dev/mapper/vg_centos-lv_home: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 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: 0x00000000 [root@CentOS opt]#
Linux下磁盘分区、挂载、卸载操作记录的更多相关文章
- Linux下磁盘分区、卸载和磁盘配额
目录 一:查看磁盘信息 二:Linux磁盘分区 三:Linux分区的卸载 四:Linux磁盘配额 一:查看磁盘信息 fdisk : 这个命令是磁盘分区表操作工具,fdisk能将磁盘分区,同时也能为每个 ...
- Linux下磁盘分区挂载
一般你去买vps都会看到介绍说硬盘多少G 比如 80G 但是你进入系统df -h的时候发现怎么只有10G呢, 其实这10G是用来装系统的和一些常用服务软件的 不是给你放网站数据的 那50G硬盘在哪 ...
- linux下磁盘的挂载与卸载
Linux下每个文件系统都有独立的inode,block,super block等信息,这个文件系统要挂载到目录树才可以使用,将文件系统与目录树结合的操作称为挂载,反之则为卸载. 也就是说,挂载点一定 ...
- Linux下磁盘分区，格式化以及挂载
测试环境:VMware Workstation / centos7 1.磁盘分区 (1)易于管理和使用: 比如说我们把磁盘分了sda1.sda2.sda3.sda4盘,我们假设sda1盘为系统盘,其他 ...
- Linux下IP SAN共享存储操作记录
一.简单介绍SAN,即存储区域网络(storage area network and SAN protocols),它是一种高速网络实现计算机与存储系统之间的数据传输.常见的分类是FC-SAN和IP- ...
- Linux下修改系统编码的操作记录
Linux系统安装后,发现中文显示乱码.因为系统编码为en_US.UTF-8,应改为支持中文的编码(即zh_CN.UTF-8)操作记录如下:1)检查linux的系统编码检查linux的系统编码,确定系 ...
- linux下磁盘分区详解 图文(fdisk;mkfs)
linux分区不同于windows,linux下硬盘设备名为(IDE硬盘为hdx(x为从a-d)因为IDE硬盘最多四个,SCSI,SATA,USB硬盘为sdx(x为a-z)),硬盘主分区最多为4个,不 ...
- linux下磁盘分区详解
Centos下磁盘管理 1.磁盘分区格式说明 linux分区不同于windows,linux下硬盘设备名为(IDE硬盘为hdx(x为从a—d)因为IDE硬盘最多四个,SCSI,SATA,USB ...
- linux下磁盘分区、格式化、挂载
(1)fdisk /dev/sdb进行分区 (2)选择n表示添加一个分区,选择d表示删除一个分区.可通过m获取帮助信息 (3)选择p表示主分区,然后输入分区大小 (4)分区完成后,可通过fdisk - ...
随机推荐
- HDU 1754 I Hate It (Splay 区间操作）
题目大意 维护一个序列,支持两种操作 操作一:将第x个元素的值修改为y 操作二:询问区间[x,y]内的元素的最大值 解题分析 splay的区间操作,事先加入两个编号最小和最大的点防止操作越界. 具体的 ...
- abs 暴力
Given a number x, ask positive integer y≥2y≥2, that satisfy the following conditions: 1. The absolut ...
- ZOJ3956 ZJU2017校赛（dp）
题意:给出n对(h,c) 记 sumh为选出的h的总和 sumc为选出的c的总和 你可以从中选出任意多对(可以不选) 使得 sumh^2-sumh*sumc-sumc^2 最大 输出最大值 输入 ...
- 【转载】Spring Boot【快速入门】2019.05.19
原文出处:https://www.cnblogs.com/wmyskxz/p/9010832.html Spring Boot 概述 Build Anything with Spring Boot ...
- bootstrap 时间控件
近期使用了bootstrap的UI感觉确实非常美丽,非常值得学习和使用. 以下先简单了解下bootstrap的时间控件. 这个时间控件使用起来还是很的简单.仅仅须要引入主要的css和js就能够了 须要 ...
- javascript遍历数组的两种方法
var array=new Array(); array [0]="北京"; array [1]="天津"; ...//solution 1 for(var i ...
- 2016/1/21 练习 arraylist 1，添加 add（） 2，遍历集合
package shuzu; public class Customer { //从源码中 使用字段生成构造函数 public Customer(String good, int price) { s ...
- HDU 5475An easy problem 离线set/线段树
An easy problem Time Limit: 8000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) ...
- win32gui.EnumWindows my.os.EnumWindows.py
import win32guidef _MyCallback(hwnd, extra): windows = extra temp = [] temp.append(hex(hwnd)) temp.a ...
- ubuntu将mysql、nginx添加到环境变量中
vim /etc/profile 添加 export PATH="$PATH:/usr/local/mysql/bin" export PATH="$PATH:/usr/ ...