0
votes
2answers
62 views

unable to read /dev/sda: Input/output error

I was reinstalling my Windows 8.1 from a mirror, then I've repaired grub2 and things got messed up. Now Windows boots about 20 minutes and then runs so slow, that nothing can be done. When it boots it ...
0
votes
2answers
33 views

Partition Hard disk with start sector 1

I have a new Hard Disk which I want to use for NAS drive. The requirement is that the partition as seen in fdisk should be as below. Device Boot Start End Blocks Id System ...
0
votes
1answer
83 views

Interpretation of number of heads returned by fdisk

Info about HDD: $ sudo fdisk -l Disk /dev/sda: 250.1 GB, 250058268160 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488395055 sectors Units = sectors of 1 * 512 = 512 bytes Sector size ...
1
vote
2answers
90 views

Installing a 3TB drives on Debian

I am using an internal hard drive USB adapter to mount backup drives. The adapter was working well with my previous 1GB backup drives. We just got two new 3TB hard drives. We connected it with the ...
0
votes
1answer
228 views

Error Broken pipe while install chrubuntu

Okay, I need help My chromebook is Acer c720 So., I trying to follow this guide -> http://www.amirkurtovic.com/blog/installing-chrubuntu-on-the-samsung-arm-chromebook-a-step-by-step-photo-guide/ I go ...
0
votes
2answers
392 views

How can I merge partitions in Linux without losing data?

So, I'm working on a couple VMs for a high-profile site, and they have /home partitioned separately from / (root). The owner has asked me to merge the two partitions so that /home is not partitioned ...
1
vote
1answer
1k views

How to force a USB disk to format?

I can't seem to get my USB drive to format anymore or be recognized by the file system (including gparted). How do I just wipe the whole thing and start over!? dmesg [ 5036.408102] usb 2-3: new ...
0
votes
1answer
948 views

Partition Not Showing up in /dev

I recently unmounted a 4TB hard drive from one computer in order to access the files directly from another computer. It seemed like there were no problems with the unmounting process. When ...
3
votes
1answer
3k views

What is the equivalent of the Linux command “sudo fdisk -l” in MacOS?

In Linux, the command sudo fdisk -l produces an output the lists all the disks and partitions in the computer. The following is an example of fdisk -l output: If I try to use sudo fdisk -l in MacOS ...
0
votes
2answers
719 views

“mount: special device /dev/sdc1 doesn't exist” but according to fdisk -l, it does

I'm booted into a live usb linux environment, and I plugged in a hard drive. It's listed in fdisk -l as /dev/sdc{,1}, is a 3tb drive, and has a single partition containing an xfs filesystem. But when ...
1
vote
2answers
295 views

How to recover data from a USB-connected hard disk that shows no partition?

Is there a possible way to recover data on my Western Digital 2TB drive? I have tried different ways like using gparted and fdisk etc.. but nothing helped. The error I get is that it cannot find a ...
0
votes
1answer
1k views

Partitioning an SSD with sfdisk

I have been trying to partition this SSD (Samsung 840) nicely for a while now. I want to make sure the pages line up with the SSD pages to limit the amount of writes. I found this site which ...
1
vote
1answer
362 views

linux: utility to find good partition alignment on ssd

I am getting a new SSD. is there a linux utility that aids me by recommending/choosing/checking the correct partition (and potentially ext4) parameters to avoid the performance penalty? my "default" ...
-1
votes
1answer
168 views

NTFS partition mount but doesn't show any files

The partition was bootable, but it's not anymore. I booted with an ubuntu live CD. "fdisk /dev/sda3 -l" shows this: Disk /dev/sda3: 626.4 GB, 626396585984 bytes 255 heads, 63 sectors/track, 76155 ...
0
votes
0answers
228 views

What is the largest size of HDD that can be recognised by SuSE 10?

I have a venerable but rock solid server running SuSE 10, acting as a webserver, running a relatively few, but significant, websites. The machine has multiple disks ranging from a nearly decade old ...
2
votes
1answer
391 views

real number of sectors on HDD

This is part of output of fdisk -l Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors Units = sectors of 1 * 512 = 512 bytes Sector ...
0
votes
2answers
366 views

Aligned partitioning of 2TB disk with Linux fdisk

Is there a way to create a single 2TB partition, which is 4096-byte-sector aligned, on a disk using the standard Linux fdisk (I have tried version 2.17.2)? I've tried the following things and ran ...
2
votes
1answer
512 views

What does the output of fdisk mean?

I've got a flash drive and I want to understand the properties of it as is outputted from fdisk. I inserted it and check the dmesg and I could see that it was mounted as /dev/sdb1 so I ran fdisk to ...
1
vote
2answers
1k views

Can you expand a linux partition while it's in use?

I'm running a linux server and I need to expand the /tmp partion. Everything I come across using fdisk or parted is saying that I need to unmount before expanding. Is this true, or can it be safely ...
1
vote
0answers
205 views

TestDisk - Recovered partition not mountable

First here's my Partition Table reported by fdisk. Disk /dev/sda: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector ...
0
votes
2answers
979 views

linux can't read partition table

My laptop has a Hitachi HTS725050A7E, this is 500GB with 4k block size. It shipped with two partitions, a 10G recovery partition on the front of the disk and the remainder of disk space in one big ...
3
votes
3answers
692 views

Partitioning a disk with already existing partitions

On a Linux Virtual Machine that i recently setup, I had a disk /dev/sdb of size 20G in which i created 8 partitions (3 primary, 1 extended containing 5 logical partitions), using upto 10G of space. So ...
5
votes
2answers
3k views

Re-reading the partition table failed with error 22: invalid argument

I have Oracle Linux on a VM and I'm trying to create partitions on /dev/sda2 of size 30 gigs using fdisk utility. I made four partitions each of size 512M and they appear in the partition table. ...
6
votes
2answers
8k views

How to create NTFS partition in Linux to install Windows 7 from USB?

I messed up with my computer and need help. Generally: install Windows 7 from USB. Problem: "setup was unable to create a new system partition" When first attempt to install Windows 7 failed I ...
0
votes
3answers
4k views

fdisk can't find USB storage

A problem with USB storage in Linux has cost me more than one day: dmesg says USB is detected, but fdisk -l can't find USB storage. My kernel is 2.4.32. Infomation about this USB storage can also be ...
4
votes
3answers
5k views

What does sfdisk do, and how does it compare to fdisk or parted?

I was looking over documentation for ZFS for Linux and I came accross a command that the instructions tell me to run to prepare a disk for use. The command was; sfdisk -q /dev/zvol/tank/fish ...
1
vote
0answers
80 views

Understand warnings after “fdisk -l” commands [duplicate]

Possible Duplicate: Warning: Partition X does not end on cylinder boundary. Should I care/how to fix? fdisk -l it gives me this scenario: Disk /dev/sda: 500 GB, 500105249280 bytes 255 ...
0
votes
2answers
3k views

Linux, fdisk: change order of partitions

I have a harddrive with 24 logical partitions on it. Half of them are Linux and half are windows. Current ordering is: 3 Linux partitions; 12 windows partitions; 9 Linux partitions. In this setup, ...
1
vote
2answers
858 views

How to shrink an ext2 partition?

I have an ext2 partition that takes up the whole disk (which is /dev/sdc). I have unplugged the disc and plugged into another (linux) computer. How can I shrink this partition using resize2fs and ...
1
vote
1answer
454 views

Shrink EXT3 and Expand NTFS

I have a partition table that looks like this: [root@tower ~]# fdisk /dev/sda WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and ...
1
vote
1answer
2k views

Warning: Partition X does not end on cylinder boundary. Should I care/how to fix?

My output of fdisk -l is Disk /dev/sda: 750 GB, 750153761280 bytes 255 heads, 63 sectors/track, 91201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start ...
3
votes
1answer
1k views

fdisk / sfdisk not saving partitions on USB drive

I am having some problems with an USB drive that is not working correctly, I am trying to recreate partitions with fdisk or sfdisk but once I do it I do "-l" and there's no partitions. This is how I ...
0
votes
1answer
685 views

How can I recover an encrypted Linux partition after resizing, when the volume shows up as “Unknown”?

I had followed the this how-to on reducing the size of an encrypted (LUKS) partition. Everything went fine until the fdisk session. In the disk utility, the volume shows up as "Unknown" as opposed to ...
6
votes
2answers
5k views

Is my OCZ SSD aligned correctly?

I have an OCZ Agility 2 SSD with 40 GB of space. I use it as a system drive in Debian Linux ("Squeeze") and in my opinion it's really fast. I've read a lot on aligning partitions and file systems, and ...
0
votes
4answers
807 views

Understanding fdisk -l

When i entered #fdisk -l in unbuntu 9.04 following is the result Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders Units = cylinders of 16065 * 512 = 8225280 ...
3
votes
2answers
9k views

What is the “the dos compatibility flag” in fdisk?

I fired up fdisk and got this warning: WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to ...
0
votes
2answers
453 views

LVM Extend… not sure the filesystem

I would like to extend my LVM partition. First I did lvextend -L +100G /dev/server/home Now I still have to extend the filesystem. The tutorials tell me to use resize2fs, but that only works for ...
2
votes
1answer
687 views

fdisk (Linux) partitioning RAID 0

I'm trying to create partitions for a Slackware installation on my computer (beside Windows 7) just to have a nice distribution running mostly for school but when I run fdisk and print the partition ...
4
votes
3answers
1k views

Update udev after fdisk run

How to update /dev directory after creation of new partition on a disk? I have the udev installed, it works perfectly except this. The new devices appear only on reboot.
1
vote
1answer
329 views

How to create device driver for nested partitions?

I'm running MSWindows virtualized with /dev/sda2 as it's primary drive. Consequently, there is a partition table on that partition, shown as: # fdisk -l /dev/sda2 Disk /dev/sda2: 137.4 GB, ...
1
vote
2answers
1k views

After ntfsresize (ntfs resize), what is the exact line to type in for fdisk?

I was told that after ntfsresize (ntfs resize), the fdisk command needs to be run... But how can it be run? What is the exact line? In a book Knoppix Hacks, it seems to suggest needing some ...