Questions tagged [fdisk]
fdisk (for "fixed disk") is a command-line utility that provides disk partitioning functions.
506 questions
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Why does mkfs.ntfs count one Byte less?
Apparently, ntfs.mkfs counts one byte less when checking if the block device is large enough; or I have made some kind of mistake.
After creating a partition of 2048 512-byte sectors (exactly 1MiB ...
3
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2
answers
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What should I backup before using parted or fdisk to resize a partition?
Let's say I have disk sda with format MBR and I have N partitions and I want to resize partition K (allocate more space on partition K)
I will use a USB device and use a Linux installation medium so ...
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6
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1
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How to create partitions on a volume with the root filesystem mounted on the enitre disk
I have a server with the root filesystem / mounted on /dev/sda, i.e., the entire disk, which has no partitions. This situation makes me uncomfortable, and I would like to partition the disk and put ...
- 71
4
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3
answers
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Can’t see partition device after creating GPT partition on 6TB disk
I have a 6TB disk in Debian Linux 12, let's say the disk is /dev/sdd. It's just for data; no parts of the OS are on it.
Now I’m trying to use it as a normal disk with the full space in a single ...
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3
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1
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How to extend a logical volume mounted on /home directory?
I was given a CentOS 9 Linux distribution server inside a virtual machine to whom I can connect using ssh protocol (from command line). I am running svn checkout command in order to clone a remote ...
- 181
2
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0
answers
85
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Partitioning or duplicating corrupted SSD
My SSD died and all its data seems to be inaccessible and my Windows computer won't boot anymore.
After going to a local computer store I was told that they could fix it by wiping all the data. I can ...
- 121
0
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0
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Need help for a manual calculation of MBR after /bin/dd of Virtualbox flat hard disk image to actual HDD on 32-bit P4 laptop (2003)
I have an old laptop which I am trying to install OpenStep 4.2 with Patch 3 pack (Which supports over 8GB and has a VESA driver) on to a 2003 laptop which is a 32-bit pentium 4 with 512MB RAM and a ...
0
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1
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Extending Logical Volume Size Beyond 2TB in CentOS 7
I need to extend the size of the logical volumes in a CentOS 7 system and noticed that the current partition table cannot handle the updated disk size, which is around 5TB:
Disk /dev/sda: 5497.6 GB, ...
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11
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2
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Why does fdisk create a 512B partition when I enter +256K?
I am trying to create a partition of 256KB on my flash device. I begin by entering the default values for the partition number (1) and first sector (2048). However, when I enter "+256K" for ...
- 111
0
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1
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Resize partition that is mounted on root or "/"
Not too sure whether this has been done before.
I am trying to resize a partition /dev/sda3 on a single disk /dev/sda.
When I tried to use "resize2fs /dev/sda3 10G" directly, the console ...
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0
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1
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163
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Problems partitioning HDD for windows 11 dualboot
I'm trying to set up a dualboot of windows 11 (currently installed) and archlinux. I've done this before on a machine running windows 10 and I had no problems, however with this machine I run into ...
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0
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1
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346
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fdisk: /dev/sd1c is not a character device
I hope this message finds you well. I am writing to you because I am attempting to format and partition a drive in OpenBSD but have been met with the following message:
virtual-server# fdisk /dev/sd1c ...
0
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1
answer
57
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Why does FDisk's Editor Close when Running the Command 'a'?
I hope this message finds you well.
I am writing because I ran the following in my OpenBSD device
and am uncertain why it stops running:
virtual-server# fdisk -e sd1
Enter 'help' for information
sd1:...
0
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1
answer
66
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how to provide the device name that related to LVM2_member
LVM2_member could be different according to device partition number
example
lsblk -f | grep LVM2_member | awk '{print $1}'
└─sda3
or on other redhat machine
lsblk -f | grep LVM2_member | ...
- 14k
0
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1
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Resize Disk Image with Protective MBR and GPT table
I've got a disk image that I need shortened slightly (long story - but it deals with variances in flash drive sizes). The partitions are already short enough, but the drive size is not.
Basically, I ...
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2
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1
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130
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fstab, mountpoint - what did I miss?
I can't figure out what I'm missing or done wrong.
lsblk dose not show the mount points(?)
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 1.8T 0 disk
└─sda1 8:1 ...
- 83
0
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0
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111
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RHEL 7.2 + is it possible to resize partition sda2 when parted not support resizepart
we have old RHEL machines with version 7.2 ( RHEL 7.2 )
this machines has old parted version that not support resizepart
so for example we can't use this syntax in order to resize sda partiton
parted /...
- 14k
0
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1
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491
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Subpartition inside partiton not showed in lsblk or /dev/
I installed archlinux inside my /dev/sdb4 and used the guided partition scheme. After install i can't mount /dev/sdb4 (ext4). The error was VFS: Can't find ext4 filesystem.
lsblk shows me:
sdb 8:...
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0
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0
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I have multiple Home folders over several hard drives. I need to understand what I did wrong?
I am running ParrotOS on an old MacPro. I have 3 SSD's and 1 HDD. I was trying to move my Home folder to the HDD. Doesn't that seem like the right thing to do?
When I run fdisk -l I only see three of ...
0
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0
answers
339
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unable to access usb in debian 12 through Home folder
when I plug the usb in and try this code :
sudo fdisk -l
I see my USB device in results but can't open it through HomeFolder,
I see nothing.
How to fix it in Debian 12 ? (thanks for help)
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6
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2
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How can I list partitions in storage order?
After telling general information (capacity, sector size and the like) fdisk shows 8 columns: sdXY, Boot, begin, end, # of sectors, size, flags, type.
The partitions get sorted by Y in their sdXY ...
- 303
1
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2
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249
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fdisk -l on an usb drive gives a very weird response
Today I nuked an old usb3 flash 8GB drive on a linux machine with:
dd if=/dev/random of=/dev/sdb
then I put it into a windows pc, it asked me to format it, I did an extended format with default ...
- 3,104
0
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0
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371
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Mounting an old JBOD array with two disks DOS formatted
I have a couple of 500GB disks with data inside that I would like to get back. The two disks were mounted inside a Lacie disk, part of a JBOD array and formatted FAT32.
I don't have the external disk ...
0
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1
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344
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Scripting fdisk with filesystem signature issues
I'm trying to automatize fdisk with my Bash scripts. In my script, I have the following code block:
echo "Creating root filesystem partition..."
(
echo n
echo 3
echo
echo
...
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1
vote
1
answer
147
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fdisk partition type shown as empy when type is an UUID
I have two systems with same versions (Debian 11.7, util-linux 2.36.1-8+deb11u1).
Why one system shows partition types as UUIDS and the second doesn't and also doesn't recognize that types showing &...
- 121
0
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1
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873
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Linux Issue : Mount point automatically changes from primary to secondary or secondary to primary on reboot in linux, debian 11/12
I am using debian linux , and in this operating system , I am using 2 disk
1 -> Primary disk (/dev/sda1)
2 -> Secondary disk (/dev/sdb1)
First disk is mounted on "/" and the 2nd disk ...
0
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1
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How to format RAID hard drive
I need to format(empty hdd) a RAID 0 HDD which is as follow:
sdb 8:16 0 3.7T 0 disk
└─md126 9:126 0 3.7T 0 raid0
└─md126p3 259:2 0 3.7T 0 part
├─rootvg01-swap 253:0 0 4G 0 lvm
├─rootvg01-...
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0
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1
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Unable to mount Full "md3" System Partition on CentOS Server, preventing Boot
I'm facing an issue with my server running CentOS. The system partition "md3" (raid1) is full due to a backup script error that failed to delete old data. As a result, my CentOS system has ...
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2
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fdisk shows partitions type Linux and dos on the same partitions
I have created a partition on my disk like this:
root@vps-90446fc7:~# fdisk /dev/sdb
Welcome to fdisk (util-linux 2.37.2).
Changes will remain in memory only, until you decide to write them.
Be ...
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2
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2
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Are UUIDs and PTUUIDs important for MBR disks? If so, how do I create them on my own?
I'm studying partitioning under Linux, starting with sfdisk. If I copy a partition table from one drive to another, it'll copy the device UUID and the PTUUIDs for each partition, but if I'm creating a ...
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0
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1
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Cancelled ext4 shrink and now I can't seem to format the drive? parted, fdisk etc won't run with the drive
I was shrinking an ext4 partition, however it was taking too long so I thought I'd just start from scratch (making a new partition and wiping the data). However after I cancelled the resize (which was ...
- 6,673
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0
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133
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Problems after migrating drives to HBA-connected disk shelf
I had 4 drives (2x3TB, 1x4TB, 1x18TB) in USB SATA docks connected to my proliant server. I finally got my HBA to recognize my IBM disk array, and managed to get the drives recognized in Ubuntu server ...
0
votes
1
answer
86
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Regain full disk space after copying a small image file to a large USB device
I'm copying an image file (size: 2GB) to an USB disk on /dev/sda (size: 2TB) using dd:
sudo dd if=2023-05-03-raspios-bullseye-arm64-lite.img of=/dev/sda bs=4M status=progress conv=fdatasync
After dd, ...
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1
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USB disk partitions disappeared, cannot mount
The USB partitions were deleted, only sdb remained. sdb1 does not exist. How do I partition the USB again? Now it shows up in the lsblk output, but I can't mount it.
[xx@x ~]$ lsblk
NAME MAJ:MIN RM ...
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1
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resize partition overlapping parted
parted -s -a opt /dev/sda "print free"
Modèle: VMware Virtual disk (scsi)
Disque /dev/sda : 268GB
Taille des secteurs (logiques/physiques): 512B/512B
Table de partitions : gpt
Disk Flags:
...
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0
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0
answers
232
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No free sectors available shown by fdisk in centos 7 minimal
This is the output of fdisk /dev/sdb
[root@localhost ~]# fdisk /dev/sdb
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before ...
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2
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Recovering accidentally deleted partition on a solid-state drive using "fdisk"
As far as I know, a solid-state drive (SSD) stores data in different locations that the operating system cannot control. If I accidentally delete a partition, and then enter the exact start and end ...
- 161
0
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0
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609
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New USB stick freezes processes that come in contact with it (dd, fdisk, gparted, etc)
I bought a new USB stick to upgrade my os (debian) on my laptop. I used gnome-multi-writer to write the .iso file into the device. The writing process never showed a message of success or error so I ...
- 101
2
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0
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328
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Recover data from deleted (still intact) raid 5
So through a shell script gone sideways I accidentally deleted my mdadm raid5 (3 HDDs) and the partitions from the disks (so disks still connected according to lsblk as {sdb|sdc|sdd}).
I have not ...
- 21
2
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1
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Why does free space differ when shown by fdisk and df?
Basically title. I'm running MX Linux from a 32GB live USB. When I run fdisk -l, I see the following:
[...]
Disk /dev/sda: 29.88 GiB, 32080200192 bytes, 62656641 sectors
Disk model: Flash Drive
...
1
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1
answer
3k
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fdisk command is not listing the required commands like 'a'
I am new to the Linux environment and using the Pop!_OS Distro.
I was using fdisk to create partitions on an SD card,
sudo fdisk /dev/sda
But when I pressed 'a' to set the bootable flag on the 1st ...
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0
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1
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1k
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Move disk space from /dev/sda3 to /dev/sda4
This is my current setup:
Disk /dev/sda: 546.8 GiB, 587127480320 bytes, 1146733360 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/...
0
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1
answer
1k
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Increasing Volume Group Size without new Disk
On my server (RHEL8) running on vCenter, I have a Volume Group that consists of 1 Disk.
I want to increase the Volume Group size without adding a secondary virtual Disk in vCenter.
Old Disk size: 50 ...
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1
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0
answers
241
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Disk Usage Analyzer Shows 100% After Expanding VMWare Hard Disk
I expanded my Hard Disk on my VMWare for this machine to 80GB, installed GParted and expanded the partition.
But Disk Analyzer is still showing 100% usage.
When I run fdisk -l the output is:
Disk /...
- 177
0
votes
2
answers
82
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Re-allocate space on Centos7 RAID-1 volume from one mount to another
We have a set of Centos7 machines that were configured with 100GB /tmp and 400GB /scratch partitions. The tools we're using are consuming more /tmp space than anticipated so we need to re-allocate ...
- 163
0
votes
1
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156
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fdisk vs. vgdisplay - increase size of VG
After getting error messages that I was running out of disk space, I looked at the disks and found that the output from fdisk (127.101 GiB) did not coincide with the output from vgdisplay (57.43 GiB).
...
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0
votes
1
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1k
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How to mount a sparsed disk image
I have an image of the mSATA SSD disk of a PC. The disk contains the operating system and has a capacity of 512GB.
I do not have that free storage, so I have cloned the disk into an image with dd ...
- 1,341
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1
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4k
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Increase size of a volume group
I have a 16GB msata but my rootfs is only 4GB. I need to increase the size of a volume group /dev/mapper/vg-var/ for my embedded system to full capacity.
$ lsblk
NAME MAJ:MIN RM SIZE RO ...
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0
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1
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43
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revert logical partitions to original disk
I have a disk that somehow split into what appear to be logical partitions, but I am unsure. How to revert to the original disk?
Here is the list of drives shown by fdisk -l:
/dev/mmcblk0
/dev/...
1
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1
answer
533
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Use free space to make a new filesystem
How would I go about using 50G of the free space from vg_root to make a new filesystem and then use that for /home
nifle@rhel8box3 ~
$ sudo lsblk
[sudo] password for nifle:
NAME MAJ:MIN ...
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