Add Hard Drive

Add Hard Drive 2014/07/13

This is an example to create a partition when you add a new Hard Drive.

[root@dlp ~]#  fdisk /dev/sdb # enter operation mode for partitions Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help):  p # show partition table Disk /dev/vdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xd97d5b18 Device Boot Start End Blocks Id System   # none Command (m for help):  n # create a partition Partition type: p primary (0 primary, 0 extended, 4 free) e extended Select (default p):  p # primary Partition number (1-4, default 1):  1 # specify partition number First sector (2048-41943039, default 2048):    # starting cylinder Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039):    # end cylinder Using default value 41943039 Partition 1 of type Linux and of size 20 GiB is set Command (m for help):  p # show partition table Disk /dev/vdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xd97d5b18 Device Boot Start End Blocks Id System /dev/vdb1 2048 41943039 20970496 83 Linux   # just created Command (m for help):  5 # change type Selected partition 1 Hex code (type L to list all codes):  L # show list 0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris 1 FAT12 27 Hidden NTFS Win 82 Linux swap / So c1 DRDOS/sec (FAT- 2 XENIX root 39 Plan 9 83 Linux c4 DRDOS/sec (FAT- 3 XENIX usr 3c PartitionMagic 84 OS/2 hidden C: c6 DRDOS/sec (FAT- 4 FAT16 <32M 40 Venix 80286 85 Linux extended c7 Syrinx 5 Extended 41 PPC PReP Boot 86 NTFS volume set da Non-FS data 6 FAT16 42 SFS 87 NTFS volume set db CP/M / CTOS / . 7 HPFS/NTFS/exFAT 4d QNX4.x 88 Linux plaintext de Dell Utility 8 AIX 4e QNX4.x 2nd part 8e Linux LVM df BootIt 9 AIX bootable 4f QNX4.x 3rd part 93 Amoeba e1 DOS access a OS/2 Boot Manag 50 OnTrack DM 94 Amoeba BBT e3 DOS R/O b W95 FAT32 51 OnTrack DM6 Aux 9f BSD/OS e4 SpeedStor c W95 FAT32 (LBA) 52 CP/M a0 IBM Thinkpad hi eb BeOS fs e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD ee GPT f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ef EFI (FAT-12/16/ 10 OPUS 55 EZ-Drive a7 NeXTSTEP f0 Linux/PA-RISC b 11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f1 SpeedStor 12 Compaq diagnost 5c Priam Edisk a9 NetBSD f4 SpeedStor 14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f2 DOS secondary 16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ fb VMware VMFS 17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fc VMware VMKCORE 18 AST SmartSleep 65 Novell Netware b8 BSDI swap fd Linux raid auto 1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fe LANstep 1c Hidden W95 FAT3 75 PC/IX be Solaris boot ff BBT 1e Hidden W95 FAT1 80 Old Minix Hex code (type L to list all codes):  8e # specify Linux LVM Changed type of partition 'Linux' to 'Linux LVM' Command (m for help):  p # show partition table Disk /dev/vdb: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xd97d5b18 Device Boot Start End Blocks Id System /dev/vdb1 2048 41943039 20970496 8e Linux LVM   # changed Command (m for help):  w # save and quit The partition table has been altered! Calling ioctl() to re-read partition table. WARNING: Re-reading the partition table failed with error 16: Device or resource busy. The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8) Syncing disks. [root@dlp ~]#  sfdisk -l /dev/sdb # show status Disk /dev/vdb: 41610 cylinders, 16 heads, 63 sectors/track sfdisk: Warning: The partition table looks like it was made for C/H/S=*/3/34 (instead of 41610/16/63). For this listing I'll assume that geometry. Units: cylinders of 52224 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/vdb1 20+ 411206- 411187- 20970496 8e Linux LVM sfdisk: start: (c,h,s) expected (20,0,9) found (2,0,33) sfdisk: end: (c,h,s) expected (1023,2,34) found (650,2,34) /dev/vdb2 0 - 0 0 0 Empty /dev/vdb3 0 - 0 0 0 Empty /dev/vdb4 0 - 0 0 0 Empty