Tutorial on Aliyun CentOS 7 system mounted SSD cloud disk _linux

Source: Internet
Author: User
Tags aliyun

First, view the SSD cloud disk

sudo fdisk-l 
 
disk/dev/vda:42.9 GB, 42949672960 bytes, 83886080 sectors Units 
= sectors of 1 * the bytes
   sector size (logical/physical): bytes/512 bytes 
I/o size (minimum/optimal): bytes/512 bytes 
Disk LA Bel type:dos 
Disk identifier:0x635e6c7d 
 
 Device Boot  Start   end  Blocks Id System 
/dev/  VDA1   2048 83886079 41942016 disk/dev/vdb:107.4 
 
GB, 107374182400 bytes, 209715200 sectors 
= Sectors of 1 * bytes = 
sector size (logical/physical): bytes/512 bytes 

You can see that the SSD system has been identified as/dev/vdb

Second, format the cloud disk

sudo mkfs.ext4/dev/vdb 
mke2fs 1.42.9 (28-dec-2013) 
filesystem label= 
OS type:linux block 
size=4096 ( log=2) 
Fragment size=4096 (log=2) stride=0 blocks, stripe width=0 blocks 6553600 inodes 
, 26214400 blocks 
1310720 Blocks (5.00%) reserved for the super user--- 
c11/>800 block groups 
32768 blocks/group, 32768 fragments per group 
8192 inodes per group 
superblock BA Ckups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
  4096000, 7962624 , 11239424, 20480000, 23887872 
 
allocating group Tables:done        
writing inode tables:done        
Creating Journal ( 32768 blocks): Done 
writing superblocks and filesystem accounting Information:done  

Third, Mount

 
 

Mount the cloud disk to the/OPT directory.

Four, configure the boot automatic mount

Modify/etc/fstab file, add at end of file

 
 

Five, restart check

Use

 
 

Gracefully reboot the system.

Use

sudo df-h 
filesystem  Size Used avail use% mounted on 
/dev/vda1  40G 3.6G 34G 10%/ 
DEVTMPFS  1. 9G  0 1.9G 0%/dev 
tmpfs   1.9G  0 1.9G 0%/dev/shm 
tmpfs 1.9G 8.4M   1.9G 1%/run 
tmpfs< c20/>1.9g  0 1.9G 0%/sys/fs/cgroup 
/dev/vdb   99G 61M 94G 1%/opt 
tmpfs   380M  

You can see that the system has mounted an SSD cloud disk.

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