虚拟机linux扩展五G，请问我要怎么挂载到系统中呢？

这是系统中显示详情
[root@localhost oracle]# fdisk -l

Disk /dev/sda: 26.8 GB, 26843545600 bytes
255 heads, 63 sectors/track, 3263 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: 0x0005e8fa

Device Boot Start End Blocks Id System
/dev/sda1 * 1 39 307200 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 39 549 4096000 82 Linux swap / Solaris
Partition 2 does not end on cylinder boundary.
/dev/sda3 549 2611 16567296 83 Linux
[root@localhost oracle]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 16G 15G 0 100% /
tmpfs 935M 224K 935M 1% /dev/shm
/dev/sda1 291M 37M 240M 14% /boot
/dev/sr0 48M 48M 0 100% /media/CDROM
/dev/sr1 3.5G 3.5G 0 100% /media/RHEL_6.4 x86_64 Disc 1
[root@localhost oracle]#

不是逻辑卷不能扩展，新加的5G只能变成一块新盘挂载；关闭虚拟机，添加硬盘，开机，fdisk /dev/sdb 分区 mkfs格式化，mount挂载，作为一个新的盘用

我不会~~~但还是要微笑~~~：）