Difference between revisions of "Fdisk"
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[[wikipedia:fdisk]] ([[1983]]) | [[wikipedia:fdisk]] ([[1983]]) | ||
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fdisk | fdisk | ||
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Try 'fdisk --help' for more information. | Try 'fdisk --help' for more information. | ||
| − | + | ||
| + | == List partitions == | ||
| + | <code>fdisk -l</code> | ||
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Device Boot Start End Sectors Size Id Type | Device Boot Start End Sectors Size Id Type | ||
/dev/sda1 8192 31116287 31108096 14.9G c W95 FAT32 (LBA) | /dev/sda1 8192 31116287 31108096 14.9G c W95 FAT32 (LBA) | ||
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| + | |||
| + | |||
| + | <pre> | ||
| + | fdisk -l | ||
| + | Disk /dev/sdb: 200 GiB, 214748364800 bytes, 419430400 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 /dev/sda: 100 GiB, 107374182400 bytes, 209715200 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 | ||
| + | Disklabel type: gpt | ||
| + | Disk identifier: 833DA06F-D948-4DD6-AB71-691BB1461297 | ||
| + | |||
| + | Device Start End Sectors Size Type | ||
| + | /dev/sda1 2048 209713151 209711104 100G Linux filesystem | ||
| + | |||
| + | |||
| + | Disk /dev/sdc: 10 GiB, 10737418240 bytes, 20971520 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 | ||
| + | Disklabel type: gpt | ||
| + | Disk identifier: 371CDE38-DCF6-4AEC-A85C-D15D28A3CB68 | ||
| + | |||
| + | Device Start End Sectors Size Type | ||
| + | /dev/sdc1 2048 4095 2048 1M BIOS boot | ||
| + | /dev/sdc2 4096 20969471 20965376 10G Linux filesystem | ||
| + | </pre> | ||
== Create two partitions == | == Create two partitions == | ||
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* <code>[[resize2fs]]</code> | * <code>[[resize2fs]]</code> | ||
* <code>[[blkid]]</code> | * <code>[[blkid]]</code> | ||
| + | * <code>[[lsblk]]</code> | ||
| + | [[/dev/nvme0n1p1]] | ||
== See also == | == See also == | ||
* [[gdisk]] | * [[gdisk]] | ||
| + | * {{HBA}} | ||
* {{fdisk}} | * {{fdisk}} | ||
* {{Linux block devices}} | * {{Linux block devices}} | ||
Latest revision as of 06:50, 15 March 2023
fdisk fdisk: bad usage Try 'fdisk --help' for more information.
Contents
List partitions[edit]
fdisk -l
fdisk -l /dev/sda Disk /dev/sda: 14.9 GiB, 15931539456 bytes, 31116288 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 Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sda1 8192 31116287 31108096 14.9G c W95 FAT32 (LBA)
fdisk -l Disk /dev/sdb: 200 GiB, 214748364800 bytes, 419430400 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 /dev/sda: 100 GiB, 107374182400 bytes, 209715200 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 Disklabel type: gpt Disk identifier: 833DA06F-D948-4DD6-AB71-691BB1461297 Device Start End Sectors Size Type /dev/sda1 2048 209713151 209711104 100G Linux filesystem Disk /dev/sdc: 10 GiB, 10737418240 bytes, 20971520 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 Disklabel type: gpt Disk identifier: 371CDE38-DCF6-4AEC-A85C-D15D28A3CB68 Device Start End Sectors Size Type /dev/sdc1 2048 4095 2048 1M BIOS boot /dev/sdc2 4096 20969471 20965376 10G Linux filesystem
Create two partitions[edit]
Command (m for help): n
Partition type
p primary (0 primary, 0 extended, 4 free)
e extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-31116287, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-31116287, default 31116287): +64M
Created a new partition 1 of type 'Linux' and of size 64 MiB.
Command (m for help): n
Partition type
p primary (1 primary, 0 extended, 3 free)
e extended (container for logical partitions)
Select (default p): e
Partition number (2-4, default 2):
First sector (133120-31116287, default 133120):
Last sector, +sectors or +size{K,M,G,T,P} (133120-31116287, default 31116287):
Created a new partition 2 of type 'Extended' and of size 14.8 GiB.
Verify:
Command (m for help): p Disk /dev/sda: 14.9 GiB, 15931539456 bytes, 31116288 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 Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sda1 2048 133119 131072 64M 83 Linux /dev/sda2 133120 31116287 30983168 14.8G 5 Extended
Change partition type[edit]
Command (m for help): t Partition number (1,2, default 2): 1 Hex code (type L to list all codes): L 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 or 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 ea Rufus alignment e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD eb BeOS fs f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ee GPT 10 OPUS 55 EZ-Drive a7 NeXTSTEP ef EFI (FAT-12/16/ 11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f0 Linux/PA-RISC b 12 Compaq diagnost 5c Priam Edisk a9 NetBSD f1 SpeedStor 14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f4 SpeedStor 16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ f2 DOS secondary 17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fb VMware VMFS 18 AST SmartSleep 65 Novell Netware b8 BSDI swap fc VMware VMKCORE 1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fd Linux raid auto 1c Hidden W95 FAT3 75 PC/IX bc Acronis FAT32 L fe LANstep 1e Hidden W95 FAT1 80 Old Minix be Solaris boot ff BBT Hex code (type L to list all codes): b Changed type of partition 'Linux' to 'W95 FAT32'. Command (m for help): p Disk /dev/sda: 14.9 GiB, 15931539456 bytes, 31116288 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 Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sda1 2048 133119 131072 64M b W95 FAT32 /dev/sda2 133120 31116287 30983168 14.8G 5 Extended
Writing changes[edit]
Command (m for help): w The partition table has been altered. Failed to remove partition 1 from system: Device or resource busy Failed to add partition 1 to system: Device or resource busy Failed to add partition 2 to system: Device or resource busy The kernel still uses the old partitions. The new table will be used at the next reboot. Syncing disks.
Command (m for help): w The partition table has been altered. Calling ioctl() to re-read partition table. Syncing disks.
Related terms[edit]
/dev/nvme0n1p1
See also[edit]
- gdisk
- HBA,
rescan-scsi-bus.sh,/sys/class/fc_host/ - Block devices, partition, GUID Partition Table (GPT),
fdisk,parted,Kpartx, partition,/proc/partitions,blockdev, mkfs, partprobe,diskpart (Windows),fdisk -l /dev/nbd0 - Block devices:
blkid(UUID),lshw -class disk,hwinfo --disk,udevadm,rescan-scsi-bus.sh,LUN,hdparm,findfs, Add a new disk lsblk,pvscanlspci,lsscsi,smartctl,fdisk,parted,Kpartx,pvdiplay,pvs,udisksctl,/dev/sd, nvme list- LUN PV
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