Use fdisk to add hard disk partitions and fdisk to add Hard Disk Partitions

Use fdisk to add hard disk partitions and fdisk to add Hard Disk Partitions

1. use fdisk to create 6 partitions [1 P + 1E (5L)] // dev/sdb1/dev/sdb5/dev/sdb6/dev/sdb7/dev/sdb8/deb/sdb9

 1 [root@server ~]# fdisk -l 2  3 Disk /dev/sda: 8589 MB, 8589934592 bytes 4 255 heads, 63 sectors/track, 1044 cylinders 5 Units = cylinders of 16065 * 512 = 8225280 bytes 6 Sector size (logical/physical): 512 bytes / 512 bytes 7 I/O size (minimum/optimal): 512 bytes / 512 bytes 8 Disk identifier: 0x000aec72 9 10    Device Boot      Start         End      Blocks   Id  System11 /dev/sda1   *           1          26      204800   83  Linux12 Partition 1 does not end on cylinder boundary.13 /dev/sda2              26          91      524288   82  Linux swap / Solaris14 Partition 2 does not end on cylinder boundary.15 /dev/sda3              91        1045     7658496   83  Linux16 17 Disk /dev/sdb: 1073 MB, 1073741824 bytes18 255 heads, 63 sectors/track, 130 cylinders19 Units = cylinders of 16065 * 512 = 8225280 bytes20 Sector size (logical/physical): 512 bytes / 512 bytes21 I/O size (minimum/optimal): 512 bytes / 512 bytes22 Disk identifier: 0x00000000

2. fdisk-cu/dev/sdb start partitioning

1 [root @ server ~] # Fdisk-cu/dev/sdb //-c: indicates to discard the DOS compatibility mode and switch to the mode.-u: change from cylindrical partition to Sector partition 2 Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel3 Building a new DOS disklabel with disk identifier 0x94c5ab35. 4 Changes will remain in memory only, until you decide to write them.5 After that, of course, the previous content won't be recoverable.6 7 Warning: invalid flag 0x0000 of partition table 4 will be corrected by w (rite) 8 9 Command (m for help ):

3. Enter m to view help

1 Command (m for help ): m 2 Command action 3 a toggle a bootable flag 4 B edit bsd disklabel 5 c toggle the dos compatibility flag 6 d delete a partition // delete the created partition 7 l list known partition types/ /list partition types 8 m print this menu // view help 9 n add a new partition // create a new partition 10 o create a new empty DOS partition table11 p print the partition table // print partition table 12 q quit without saving changes13 s create a new empty Sun disklabel14 t change a partition's system id15 u change display/entry units16 v verify the partition table17 w write table to disk and exit // write to the partition table to save 18 x extra functionality (experts only) 19 20 Command (m for help ):

4. Split a 10 m primary Partition

1 Command (m for help): n 2 Command action 3 e extended // represents the extended partition 4 p primary partition (1-4) // indicates the primary Partition 5 p // select p primary Partition 6 Partition number (1-4): 1 7 First sector (2048-2097151, default 2048 ): // default 2048 start 8 Using default value 2048 9 Last sector, + sectors or + size {K, M, G} (2048-2097151, default 2097151 ): + 10M10 11 Command (m for help): p12 13 Disk/dev/sdb: 1073 MB, 1073741824 bytes14 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors15 Units = sectors of 1*512 = 512 bytes16 Sector size (logical/physical): 512 bytes/512 bytes17 I/O size (minimum/optimal ): 512 bytes/512 bytes18 Disk identifier: 0x94c5ab3519 20 Device Boot Start End Blocks Id System21/dev/sdb1 2048 22527 83 Linux

5. allocate all the remaining space to the extended partition.

1 Command (m for help): n 2 Command action 3 e extended 4 p primary partition (1-4) 5 e 6 Partition number (1-4 ): 2 // select the Partition Number as 2 7 First sector (22528-2097151, default 22528): // default size: 8 Using default value 22528 9 Last sector, + sectors or + size {K, M, G} (22528-2097151, default 2097151): // default size: 10 Using default value 209715111 12 Command (m for help ): p // print 13 14 Disk/dev/sdb: 1073 MB, 1073741824 bytes15 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors16 Units = sectors of 1*512 = 512 bytes17 Sector size (logical/physical): 512 bytes/512 bytes18 I/O size (minimum/optimal ): 512 bytes/512 bytes19 Disk identifier: 0x94c5ab3520 21 Device Boot Start End Blocks Id System22/dev/sdb1 2048 22527 10240 83 Linux23/dev/sdb2 22528 2097151 1037312 5 Extended24 25 Command (m for help): n

6. Divide the extended partition into five logical partitions. First, create 1st logical partitions with a size of 10 MB.

1 Command (m for help): n 2 Command action 3 l logical (5 or over) 4 p primary partition (1-4) 5 l // select create logical partition 6 First sector (24576-2097151, default 24576): // start by default and press enter 7 Using default value 24576 8 Last sector, + sectors or + size {K, M, G} (24576-2097151, default 2097151): + 10 M // input partition size 10 M 9 10 Command (m for help ): p // print partition 11 12 Disk/dev/sdb: 1073 MB, 1073741824 bytes13 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors14 Units = sectors of 1*512 = 512 bytes15 Sector size (logical/physical): 512 bytes/512 bytes16 I/O size (minimum/optimal ): 512 bytes/512 bytes17 Disk identifier: 0x94c5ab3518 19 Device Boot Start End Blocks Id System20/dev/sdb1 2048 22527 10240 83 Linux21/dev/sdb2 22528 2097151 1037312 24576 5 Extended22/dev/sdb5 45055 10240 83 Linux // Partition Table from starting from 5, logical Partition

7. Create 2nd 10 m logical partitions in the extended partition.

 1 Command (m for help): n 2 Command action 3    l   logical (5 or over) 4    p   primary partition (1-4) 5 l 6 First sector (47104-2097151, default 47104):  7 Using default value 47104 8 Last sector, +sectors or +size{K,M,G} (47104-2097151, default 2097151): +10M 9 10 Command (m for help): p11 12 Disk /dev/sdb: 1073 MB, 1073741824 bytes13 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors14 Units = sectors of 1 * 512 = 512 bytes15 Sector size (logical/physical): 512 bytes / 512 bytes16 I/O size (minimum/optimal): 512 bytes / 512 bytes17 Disk identifier: 0x94c5ab3518 19    Device Boot      Start         End      Blocks   Id  System20 /dev/sdb1            2048       22527       10240   83  Linux21 /dev/sdb2           22528     2097151     1037312    5  Extended22 /dev/sdb5           24576       45055       10240   83  Linux23 /dev/sdb6           47104       67583       10240   83  Linux

8. Create 3rd 10 m logical partitions in the extended partition.

 1 Command (m for help): n 2 Command action 3    l   logical (5 or over) 4    p   primary partition (1-4) 5 l 6 First sector (69632-2097151, default 69632):  7 Using default value 69632 8 Supported: 10^N: KB (KiloByte), MB (MegaByte), GB (GigaByte) 9             2^N: K  (KibiByte), M  (MebiByte), G  (GibiByte)10 Last sector, +sectors or +size{K,M,G} (69632-2097151, default 2097151): =11 Last sector, +sectors or +size{K,M,G} (69632-2097151, default 2097151): +10M12 13 Command (m for help): p14 15 Disk /dev/sdb: 1073 MB, 1073741824 bytes16 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors17 Units = sectors of 1 * 512 = 512 bytes18 Sector size (logical/physical): 512 bytes / 512 bytes19 I/O size (minimum/optimal): 512 bytes / 512 bytes20 Disk identifier: 0x94c5ab3521 22    Device Boot      Start         End      Blocks   Id  System23 /dev/sdb1            2048       22527       10240   83  Linux24 /dev/sdb2           22528     2097151     1037312    5  Extended25 /dev/sdb5           24576       45055       10240   83  Linux26 /dev/sdb6           47104       67583       10240   83  Linux27 /dev/sdb7           69632       90111       10240   83  Linux

9. Create 4th logical partitions of 10 m in the extended partition.

 1 Command (m for help): n 2 Command action 3    l   logical (5 or over) 4    p   primary partition (1-4) 5 l 6 First sector (92160-2097151, default 92160):  7 Using default value 92160 8 Last sector, +sectors or +size{K,M,G} (92160-2097151, default 2097151): +10M 9 10 Command (m for help): p11 12 Disk /dev/sdb: 1073 MB, 1073741824 bytes13 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors14 Units = sectors of 1 * 512 = 512 bytes15 Sector size (logical/physical): 512 bytes / 512 bytes16 I/O size (minimum/optimal): 512 bytes / 512 bytes17 Disk identifier: 0x94c5ab3518 19    Device Boot      Start         End      Blocks   Id  System20 /dev/sdb1            2048       22527       10240   83  Linux21 /dev/sdb2           22528     2097151     1037312    5  Extended22 /dev/sdb5           24576       45055       10240   83  Linux23 /dev/sdb6           47104       67583       10240   83  Linux24 /dev/sdb7           69632       90111       10240   83  Linux25 /dev/sdb8           92160      112639       10240   83  Linux

10. Create 5th logical partitions in the extended partitions and allocate the remaining space.

 1 Command (m for help): n 2 Command action 3    l   logical (5 or over) 4    p   primary partition (1-4) 5 l 6 First sector (114688-2097151, default 114688):  7 Using default value 114688 8 Last sector, +sectors or +size{K,M,G} (114688-2097151, default 2097151):  9 Using default value 209715110 11 Command (m for help): p12 13 Disk /dev/sdb: 1073 MB, 1073741824 bytes14 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors15 Units = sectors of 1 * 512 = 512 bytes16 Sector size (logical/physical): 512 bytes / 512 bytes17 I/O size (minimum/optimal): 512 bytes / 512 bytes18 Disk identifier: 0x94c5ab3519 20    Device Boot      Start         End      Blocks   Id  System21 /dev/sdb1            2048       22527       10240   83  Linux22 /dev/sdb2           22528     2097151     1037312    5  Extended23 /dev/sdb5           24576       45055       10240   83  Linux24 /dev/sdb6           47104       67583       10240   83  Linux25 /dev/sdb7           69632       90111       10240   83  Linux26 /dev/sdb8           92160      112639       10240   83  Linux27 /dev/sdb9          114688     2097151      991232   83  Linux

11. Change/dev/sdb9 to LVM partition (that is, dynamic adjustment)

1 Command (m for help): t 2 Partition number (1-9): 9 // ID of the Partition to be modified 3 Hex code (type L to list codes ): 8e // represents the LVM, And the Id 4 Changed system type of partition 9 to 8e (Linux LVM) 5 6 Command (m for help) can be queried by l ): p 7 8 Disk/dev/sdb: 1073 MB, 1073741824 bytes 9 255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors10 Units = sectors of 1*512 = 512 bytes11 Sector size (logical/physical): 512 bytes/512 bytes12 I/O size (minimum/optimal ): 512 bytes/512 bytes13 Disk identifier: 0x94c5ab3514 15 Device Boot Start End Blocks Id System16/dev/sdb1 2048 22527 10240 83 Linux17/dev/sdb2 22528 2097151 1037312 24576 5 Extended18/dev/sdb5 45055 10240 83 Linux19/dev/sdb6 47104 67583 10240 83 Linux20/dev/sdb7 69632 90111 10240 83 Linux21/dev/sdb8 92160 112639 10240 83 Linux22/dev/sdb9 114688 2097151 991232 8e Linux LVM

12. Partition end work

1 Command (m for help): w // write partition table 2 The partition table has been altered! 3 4 Calling ioctl () to re-read partition table.5 Syncing disks.6 [root @ server ~] # Partprobe/dev/sdb // notify the kernel of the Partition Table Modification result, so that the system can be restarted without being restarted.

Now the partitioning is finished !!