/* */ ~]# fdisk /dev/sdb 開始分區 Device contains neither a valid DOSpartition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with diskidentifier 0x6811b6b9. Changes will remain in memory only, untilyou decide to write them. After that, of course, the previous contentwon‘t be recoverable. Warning: invalid flag 0x0000 of partitiontable 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 #查看幫助 Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibilityflag d delete a partition l list known partition types m print this menu n add a new partition #添加一個新分區 o create a new empty DOSpartition table p print the partition table #查看當前分區情況 q quit without saving changes s create a new empty Sundisklabel 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 (expertsonly) Command (m for help): n #添加一個新分區 Command action e extended p primary partition (1-4) p #主分區 Partition number (1-4): 1 #分區號 First cylinder (1-2610, default 1): 1 #柱面 Last cylinder, +cylinders or +size{K,M,G} (1-2610, default 2610): +4G #分配大小（不以柱面方式） Command (m for help): p #查看一下 Disk /dev/sdb: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280bytes Sector size (logical/physical): 512 bytes /512 bytes I/O size (minimum/optimal): 512 bytes / 512bytes Disk identifier: 0x6811b6b9 Device Boot Start End Blocks Id System /dev/sdb1 1 523 4200966 83 Linux成功！ Command (m for help): n #繼續添加分區 Command action e extended p primary partition (1-4) e #擴展分區 Partition number (1-4): 2 #分區號 First cylinder (524-2610, default 524): #默認起始柱面-回車 Using default value 524 Last cylinder, +cylinders or +size{K,M,G}(524-2610, default 2610): #默認結束柱面-回車 Using default value 2610 Command (m for help): p #查看一下 Disk /dev/sdb: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280bytes Sector size (logical/physical): 512 bytes /512 bytes I/O size (minimum/optimal): 512 bytes / 512bytes Disk identifier: 0x6811b6b9 Device Boot Start End Blocks Id System /dev/sdb1 1 523 4200966 83 Linux /dev/sdb2 524 2610 16763827+ 5 Extended #擴展分區成功！ Command (m for help): n #繼續分邏輯分區 Command action l logical (5 or over) p primary partition (1-4) l #選邏輯分區 First cylinder (524-2610, default 524): #默認起始柱面-回車 Using default value 524 Last cylinder, +cylinders or +size{K,M,G}(524-2610, default 2610): #默認結束柱面-回車 Using default value 2610 Command (m for help): p #查看一下 Disk /dev/sdb: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280bytes Sector size (logical/physical): 512 bytes /512 bytes I/O size (minimum/optimal): 512 bytes / 512bytes Disk identifier: 0x6811b6b9 Device Boot Start End Blocks Id System /dev/sdb1 1 523 4200966 83 Linux /dev/sdb2 524 2610 16763827+ 5 Extended /dev/sdb5 524 2610 16763796 83 Linux #成功！ Command (m for help): w #保存 The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [[email protected]

[[email protected] ~]# dumpe2fs /dev/sdb1 #查看分區UUID
dumpe2fs 1.41.12 (17-May-2010)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          968fc705-506d-4977-a469-32be93467a97
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