1.查看分区表
- [root@server8 ~]# cat /proc/partitions
- major minor #blocks name
- 252 0 8388608 vda
- 252 1 512000 vda1
- 252 2 7875584 vda2
- 252 16 5242880 vdb
- 252 17 204800 vdb1
- 253 0 6856704 dm-0
- 253 1 1015808 dm-1
- 253 2 202752 dm-2
查看vdb
- [root@server8 ~]# fdisk -cul /dev/vdb
- Disk /dev/vdb: 5368 MB, 5368709120 bytes
- 7 heads, 6 sectors/track, 249660 cylinders, total 10485760 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 identifier: 0x748cfa01
- Device Boot Start End Blocks Id System
- /dev/vdb1 2048 411647 204800 83 Linux
- [root@server8 ~]# fdisk -cu /dev/vdb
- Command (m for help): n
- Command action
- e extended
- p primary partition (1-4)
- p
- Partition number (1-4): 2
- First sector (411648-10485759, default 411648):
- Using default value 411648
- Last sector, +sectors or +size{K,M,G} (411648-10485759, default 10485759): +200M
- Command (m for help): w
- The partition table has been altered!
- Calling ioctl() to re-read partition table.
- WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
- The kernel still uses the old table. The new table will be used at
- the next reboot or after you run partprobe(8) or kpartx(8)
- Syncing disks.
- [root@server8 ~]# init 6
- [root@server8 ~]# cat /proc/partitions
- major minor #blocks name
- 252 0 8388608 vda
- 252 1 512000 vda1
- 252 2 7875584 vda2
- 252 16 5242880 vdb
- 252 17 204800 vdb1
- 252 18 204800 vdb2
- 253 0 6856704 dm-0
- 253 1 1015808 dm-1
[root@server8 ~]# mkfs -t ext4 /dev/vdb2
- mkdir /test
- [root@server8 ~]# vi /etc/fstab
- /dev/vdb2 /test ext4 defaults 0 0
-
[root@server8 ~]# mount -a
-
OK,
本文转自 369蓝宝 51CTO博客,原文链接:http://blog.51cto.com/3739387/1128409,如需转载请自行联系原作者