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Add Hard Drives
2011/11/11 |
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This is an example to create a new partition when you add new Hard Drives on your Machine.
The follows shows to create a LVM partition.
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[root@dlp ~]#
WARNING: DOS-compatible mode is deprecated. It's strongly recommended tofdisk /dev/sdb # enter to the fdisk operation mode switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help):
Disk /dev/sdb: 320.1 GB, 320071851520 bytesp # show partition table 255 heads, 63 sectors/track, 38913 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: 0x000c881d
Device BootStart End Blocks Id System # none Command (m for help): n # create a partition Command action e extended p primary partition (1-4) p # primary Partition number (1-4): 1 # partition number First cylinder (1-1-38913, default 1): # starting cylinder Using default value 1 Last cylinder, +cylinders or +size{K,M,G} (1-38913, default 38913): # end cylinder Using default value 38913
Command (m for help):
Disk /dev/sdb: 320.1 GB, 320071851520 bytesp # show partition table 255 heads, 63 sectors/track, 38913 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: 0x000c881d
Device BootStart End Blocks Id System /dev/sdb1
Command (m for help): 1 38913 312568641 83 Linux # just created t # change type Selected partition 1 Hex code (type L to list codes): L # show lists
0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris
1 FAT12 39 Plan 9 82 Linux swap / So c1 DRDOS/sec (FAT-
2 XENIX root 3c PartitionMagic 83 Linux c4 DRDOS/sec (FAT-
3 XENIX usr 40 Venix 80286 84 OS/2 hidden C: c6 DRDOS/sec (FAT-
4 FAT16 <32M 41 PPC PReP Boot 85 Linux extended c7 Syrinx
5 Extended 42 SFS 86 NTFS volume set da Non-FS data
6 FAT16 4d QNX4.x 87 NTFS volume set db CP/M / CTOS / .
7 HPFS/NTFS 4e QNX4.x 2nd part 88 Linux plaintext de Dell Utility
8 AIX 4f QNX4.x 3rd part 8e Linux LVM df BootIt
9 AIX bootable 50 OnTrack DM 93 Amoeba e1 DOS access
a OS/2 Boot Manag 51 OnTrack DM6 Aux 94 Amoeba BBT e3 DOS R/O
b W95 FAT32 52 CP/M 9f BSD/OS e4 SpeedStor
c W95 FAT32 (LBA) 53 OnTrack DM6 Aux a0 IBM Thinkpad hi eb BeOS fs
e W95 FAT16 (LBA) 54 OnTrackDM6 a5 FreeBSD ee GPT
f W95 Ext'd (LBA) 55 EZ-Drive a6 OpenBSD ef EFI (FAT-12/16/
10 OPUS 56 Golden Bow a7 NeXTSTEP f0 Linux/PA-RISC b
11 Hidden FAT12 5c Priam Edisk a8 Darwin UFS f1 SpeedStor
12 Compaq diagnost 61 SpeedStor a9 NetBSD f4 SpeedStor
14 Hidden FAT16 <3 63 GNU HURD or Sys ab Darwin boot f2 DOS secondary
16 Hidden FAT16 64 Novell Netware af HFS / HFS+ fb VMware VMFS
17 Hidden HPFS/NTF 65 Novell Netware b7 BSDI fs fc VMware VMKCORE
18 AST SmartSleep 70 DiskSecure Mult b8 BSDI swap fd Linux raid auto
1b Hidden W95 FAT3 75 PC/IX bb Boot Wizard hid fe LANstep
1c Hidden W95 FAT3 80 Old Minix be Solaris boot ff BBT
1e Hidden W95 FAT1 8e # select Linux LVM number Changed system type of partition 1 to 8e (Linux LVM)
Command (m for help):
Disk /dev/sdb: 320.1 GB, 320071851520 bytesp # show partition table 255 heads, 63 sectors/track, 38913 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: 0x000c881d
Device BootStart End Blocks Id System /dev/sdb1
Command (m for help): 1 38913 312568641 8e Linux LVM # just changed w # save and quit The partition table has been altered!
Calling ioctl() to re-read partition table.Syncing disks. [root@dlp ~]#
Disk /dev/sdb: 38913 cylinders, 255 heads, 63 sectors/tracksfdisk -l /dev/sdb # show status Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
Device Boot Start End #cyls #blocks Id System /dev/sdb1 0+ 20022 38913- 312568641 8e Linux LVM # just changed /dev/sdb2 0 - 0 0 0 Empty /dev/sdb3 0 - 0 0 0 Empty /dev/sdb4 0 - 0 0 0 Empty |