在阿里云磁盘列表中挂载磁盘到服务器中
进入服务器
[root@iZ25o0ipjpmZ ~]# fdisk -l Disk /dev/xvda: 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: 0x00078f9c Device Boot Start End Blocks Id System /dev/xvda1 * 1 5222 41940992 83 Linux Disk /dev/xvdb: 107.4 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 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
两块磁盘,自带的40G,和后来购买的100G磁盘。
分区,命令执行后输入n p 1 wq w 保存
[root@iZ25o0ipjpmZ ~]# fdisk /dev/xvdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x786bd9b9.
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): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-13054, default 1): wq
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-13054, default 13054):
Using default value 13054
Command (m for help): w
The partition table has been altered!
Calling ioctl()格式化分区,如果是已经使用过的磁盘就不用格式化了,直接跳过这个步骤,挂载
[root@iZ25o0ipjpmZ ~]# mkfs.ext3 /dev/xvdb1 mke2fs 1.41.12 (17-May-2010) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 6553600 inodes, 26214055 blocks 1310702 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 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 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 32 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override.
将挂载写入到分区引导中,重启的时候会自动挂载不需要手动mount
[root@iZ25o0ipjpmZ ~]# echo '/dev/xvdb1 /backup ext3 defaults 0 0' >> /etc/fstab
挂载
[root@iZ25o0ipjpmZ ~]# mount /dev/xvdb1 /backup/
作为备份使用挂载到 /backup 目录。