[root@appserver ~]# df -h /*查看现有分区情况*/ 文件系统 容量 已用 可用 已用%% 挂载点 /dev/vda1 9.9G 8.2G 1.2G 88% / tmpfs 3.9G 100K 3.9G 1% /dev/shm /dev/sr0 368K 368K 0 100% /media/CDROM [root@appserver ~]# fdisk -l /*查看现有DISK*/ Disk /dev/vda: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 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: 0x0003e85fDevice Boot Start End Blocks Id System /dev/vda1 * 1 1306 10484736 83 LinuxDisk /dev/vdb: 214.7 GB, 214748364800 bytes 16 heads, 63 sectors/track, 416101 cylinders Units = cylinders of 1008 * 512 = 516096 bytes Sector size （logical/physical）: 512 bytes / 512 bytes I/O size （minimum/optimal）: 512 bytes / 512 bytes Disk identifier: 0x00000000[root@appserver ~]# fdisk /dev/vdb /*用fdisk分区工具对磁盘分区*/ Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with disk identifier 0x264c68f0. 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）: m Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition"s system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality （experts only）Command （m for help）: n Command action e extended p primary partition （1-4） e Partition number （1-4）: 1 First cylinder （1-416101, default 1）: Using default value 1 Last cylinder, +cylinders or +size{K,M,G} （1-416101, default 416101）: Using default value 416101Command （m for help）: w The partition table has been altered！Calling ioctl（） to re-read partition table. Syncing disks. [root@appserver ~]# fdisk -lDisk /dev/vda: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 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: 0x0003e85fDevice Boot Start End Blocks Id System /dev/vda1 * 1 1306 10484736 83 LinuxDisk /dev/vdb: 214.7 GB, 214748364800 bytes 16 heads, 63 sectors/track, 416101 cylinders Units = cylinders of 1008 * 512 = 516096 bytes Sector size （logical/physical）: 512 bytes / 512 bytes I/O size （minimum/optimal）: 512 bytes / 512 bytes Disk identifier: 0x264c68f0Device Boot Start End Blocks Id System /dev/vdb1 1 416101 209714872+ 5 Extended
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