阿里云CentOS 7系统挂载SSD云盘的教程

  sudo fdisk -l      Disk /dev/vda: 42.9 GB, 42949672960 bytes, 83886080 sectors   Units = sectors of 1 * 512 = 512 bytes   Sector size (logical/physical): 512 bytes / 512 bytes   I/O size (minimum/optimal): 512 bytes / 512 bytes   Disk label type: dos   Disk identifier: 0x635e6c7d       Device Boot  Start   End  Blocks Id System   /dev/vda1   2048 83886079 41942016 83 Linux      Disk /dev/vdb: 107.4 GB, 107374182400 bytes, 209715200 sectors   Units = sectors of 1 * 512 = 512 bytes   Sector size (logical/physical): 512 bytes / 512 bytes   I/O size (minimum/optimal): 512 bytes / 512 bytes 

  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   First data block=0   Maximum filesystem blocks=2174746624   800 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: done          Writing inode tables: done          Creating journal (32768 blocks): done   Writing superblocks and filesystem accounting information: done  

  sudo mount /dev/vdb /opt 

  /dev/vdb /opt ext4 defaults 0 0 

  init 6 

  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   1.9G  0 1.9G 0% /sys/fs/cgroup   /dev/vdb   99G 61M 94G 1% /opt   tmpfs   380M  0 380M 0% /run/user/1000