For questions regarding disk storage devices such as hard disk drives, floppy disk drives, and optical disk drives.

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29
votes
3answers
205k views

How to run a checkdisk?

I suspect there might be bad sector on a disk. What tool is the best equivalent of the error checking tool of windows? (I used ext3)
9
votes
3answers
11k views

What are the F6 options during installation?

What is the meaning of different options in the F6 context menu of Ubuntu installation dvd ? i.e. acpi=off noapic nolapic edd=on nodmraid nomodeset Free Software only How do they affect the ...
-1
votes
0answers
15 views

Remove Disk encryption

Can I remove Disk encryption? I am trying to install a theme in the /usr/share/themes directory, and I can't put extract the theme there because "Access in denied"
1
vote
0answers
8 views

Unplugged old bad disk, ran update-grub, but old menu options (on unplugged disk) still appear

so this must be a common problem. I had an old Windows machine with a disk that started to go bad (just some bad spots, corrupted files). So, I installed a new disk beside the old one and put Mint ...
1
vote
1answer
30 views

Where is my Disk Space?

I am using Ubuntu 14.10 and i am having trouble with lost disk space i have 130 GB on my main disk where Ubuntu is but i haven't really downloaded any huge applications, the only big applications that ...
0
votes
0answers
19 views

BFQ I/O Scheduler

As you probably know, the BFQ scheduler drastically improves disk performances in a typical desktop usage scenario. Now, I wanna try it on my 14.04.2, but all the guides I was able to find googling ...
0
votes
0answers
23 views

Remove encryption of Ubuntu partition

I installed Ubuntu 14.04 a few months back. While installing, I had enabled the option of disk encryption, because of which I have been able to login to my system only after entering a passphrase in ...
0
votes
1answer
1k views

Samsung ssd 840 pro configuration?

I am about to buy an SSD 840 pro from Samsung and I read I needed to do some configuration on ubuntu in order to not reduce its life, and get the optimal performances. What I wanna know is what I need ...
-1
votes
0answers
19 views

I can`t open the audio content of a CD

I inserted an audio CD in my unity, i tried to open the content or play with RhytymBox but the volume is not visible at all; Curious for me, if i open Disks option in Ubuntu(14.04) the disk is there, ...
1
vote
1answer
20 views

How to List Unmounted partition of a harddisk and Mount them?

How to list the disk partition when they are unmounted? And how to mount them through terminal?
0
votes
0answers
7 views

/proc/diskstats and iostat are right? strange values on my test

My question is quite simple.. I am doing some tests to confirm the perfect work of both (diskstats and iostat) disk meters and something is wrong here. I write this command on cmd and I get the ...
4
votes
7answers
1k views

Hard drive overheating badly

My laptop's hard drive heats up quite badly. The regular operating range hovers around 42-44 Centigrade. It gets even worse when the screen is locked with temperatures shooting up to 50C. The casing ...
3
votes
2answers
4k views

Why does my root filesystem keep becoming read-only?

I've lately been having an issue with my root filesystem becoming readonly. It happens some amount of time after boot. I don't know exactly when it happens, as I don't usually notice it until ...
0
votes
2answers
52 views

How to check all S.M.A.R.T. logs location

As in S.M.A.R.T log: device log contains only the most recent five errors Is there a possibility to see all logged errors of a S.M.A.R.T Enabled disk? smartctl -xall or smartctl -all The ...
0
votes
1answer
18 views

how to safely remove drive?

When I right click on my disk, I have a "safely remove drive" option that appears. When I "safely remove drive", the disk icon goes off, before coming back in a second later. I can hear the disk that ...
3
votes
1answer
881 views

SSD becomes hot, disk failure warning

I have a two weeks old SSD (Kingston SSDnow 64GB). Yesterday, the computer shutdown twice and after rebooting I was bombarded with disk failure warnings. I usually take such warnings serious (and ...
0
votes
0answers
16 views

How do I add external usb disk to launcher (15.04)

My external usb disk used to show up in the launcher when I plugged it in. I stupidly unlocked it. How do I get it back in the launcher? This is Unbuntu 15.04.
1
vote
0answers
7 views

Startup Disk Creator not registering disk size [duplicate]

I'm trying to create a startup disk for ubuntu 15.04. I already have installed 15.04, but I need another copy. It states that the disk has 2kb of storage size and it has none of that left, but I can ...
0
votes
3answers
46 views

Windows 8 doesn't show in GRUB 2, Bootrepair didn't help

I've spend the entire day on this problem, probably because I'm relatively new to Ubuntu. I installed Windows 8.1 after Ubuntu. First I wasn't able to start Ubuntu, but after Bootrepair I was. ...
0
votes
1answer
38 views

Can't add space to my Ubuntu partition

I have free space on the disk but I can't add that space to the ubuntu partition, gparted doesn't let me resize the ubuntu partition at all. I'm running the livecd 14.04 LTS, my ubuntu version is ...
4
votes
3answers
9k views

External USB 3 drive not recognized

Ubuntu 12.10 64 bit seems not to recognize my external hard disk. It is a Vantec NST-310S3 external disk enclosure with a WD 3TB drive. The disk has two NTFS partitions. My PC is a dual boot system. ...
0
votes
1answer
38 views

How to increase the partition size of Ubuntu 14.04 installed under Windows 7? [duplicate]

I have windows 7 as primary OS. In past year I installed Ubuntu 14.04 from live USB. I don't use Wubi. Now I have to increase the partition /dev/sda6 size of Ubuntu. user:~$ df -h Filesystem ...
0
votes
0answers
16 views

How to disable “Remember forever” option in mounting encrypted disks

Whenever you mount an LUKS encrypted disk, Ubuntu gives you 3 options: Forget immediately Remember for this session Remember forever I wanted to know how to reset this choice after choosing the ...
0
votes
0answers
14 views

Not enough free disk space [duplicate]

On the original install, I recall assigning the entire disk for installation and booting files. I wish to extend the upgrade and booting space to become unrestricted. I get this message: Not enough ...
0
votes
0answers
19 views

How can I get read/write instant speed of a Hard Drive using /proc/diskstats data?

I know that the proc/diskstats file presents these data columns: 1 - major number 2 - minor mumber 3 - device name 4 - reads completed successfully 5 - reads merged 6 - sectors read 7 - time spent ...
4
votes
5answers
16k views

How can I add more disk space to my home directory?

The current home directory gets full. Can I assign more disk space to the home directory somehow or are there any other solutions?
0
votes
0answers
11 views

What disk does System Load Indicator track?

I have two disks, but System Load Indicator (indicator-multiload) tracks only the read/write operations for one of them. Which of the two does it track? Is there a way to show the operations for both? ...
1
vote
0answers
12 views

How do I remove the password disk encryption? [duplicate]

At the time of installation I requested encrypt the disk with a password but want there to be no more password. How to change this?
0
votes
1answer
21 views

Move my swap partition into my extended partition

I accidentally created my swap partition outside of my extended partition. Is it possible to move it inside my extended partition? I need to do this because I have used up my limit of 4 primary ...
3
votes
1answer
258 views

Backup all home folders on usb disk and accessibility

I am using Ubuntu 12.04 and have multiple family members working on it, each with their own home folder. I have an USB disk that I want to use to backup all my home folders. When my disk auto ...
0
votes
3answers
13k views

no space in disk; sudo apt-get clean not working

I have been trying to update my xubuntu version but it keep saying there's no enough space on disk. The window says me to execute "sudo apt-get clean" but I have no answer. It just don't do anything. ...
0
votes
1answer
36 views

How to permanently change sysfs setting for certain block device?

I have a disk which needs an increased SATA timeout to work properly (at least that's the current workaround, see comments at http://serverfault.com/questions/682061). I figured out that I can set ...
0
votes
3answers
237 views

My computer like Disk Usage Statistics bar in Ubuntu

Is it possible to view disk usage statistics, like free space left, as in "My Computer" in Windows, but for Ubuntu 14.04 LTS ?
5
votes
2answers
299 views

How to trace/monitor the I/O of a Linux command

I ran find / -name abc.html and a short time after I ran this command again. This time it was very fast, so I know the find must be caching the result somewhere. How can I find out where the cache is ...
0
votes
0answers
47 views

Ubunt 14.04 Stuck on Boot screen Full Disk Encryption No Prompt

Ubuntu Will not boot. It will get stuck on a purple screen before asking for the encryption password. I thought it might be a video card issue so I booted in using recovery mode, and the console does ...
0
votes
0answers
20 views

Is there a check disk function? [duplicate]

Is there a check disk function for Ubuntu or Linux and is it necessary? Something like chkdsk /f/r on Windows? Thanks
0
votes
0answers
29 views

When I restart Ubuntu after the install, it goes straight back to the USB GRUB.

So after I install Ubuntu, and restart as prompted, it goes to the USB loader. The live version off the USB works fine, however, if I remove the USB it states on the screen: ERROR: No boot disk has ...
0
votes
1answer
28 views

Partitioning after Windows to Ubuntu migration

As will be apparent from my question I am quite new at Linux. I migrated from Windows7 to Linux[Ubuntu]. After the installation was over, I figured out that all the partitions have been overridden and ...
1
vote
1answer
2k views

How to create a Ramdisk and use it with Lightread?

I have created a Ramdisk for Chrome following these instructions: 1) Most of our commands require superuser privileges, so we might as well just switch to root. sudo su - 2) Edit your startup ...
0
votes
1answer
214 views

New HDD formating on Ext4 root permission

I have this new 80Gb HDD I want to use it as a backup storage for my actual system (14.04) not a server. I formatted it with Gpart but I just can't write in it, when I search for permissions it tells ...
0
votes
0answers
16 views

Increase disk partition size? [duplicate]

I partitioned my laptop to dual boot Ubuntu 14.04 LTS along side Windows 8.1 and I allocated 20 GB of my 500 GB hard drive to Ubuntu. Now I want to increase the size. I just started programming and I ...
1
vote
1answer
60 views

What can I do to restore disk performance on slower Ubuntu VM

I have Ubuntu 12.04 (x86) running under VMware Workstation 10.0.5 on a Windows 7 x64 host. Disk access in this VM is noticeably slow - it takes ages just to start Firefox, for example, and the disk ...
1
vote
1answer
78 views

How to add unused disk space in HDD to /home

This is the condition of my current partition. I have 8 GB of swap space. The extended partition has 492 GB among which only 100 GB is usable, which is /dev/sda5. Then a 1 GB boot partition, which ...
1
vote
1answer
47 views

is there any step by step method for a novice to add space to 14.04lts on acer c720 chromebook

I'm an absolute novice, but successfully installed ubuntu 14.04 LTS to my acer C720 chromebook following hugh greenbugs' method for dual boot. I also successfully ran out of disk space to install ...
0
votes
1answer
40 views

Using external usb disk as extra partition

I searched a lot on the internet but have not find an exact match for this question, so don't downvote this question just yet. So, I have Linux Mint 32-bit installed on my computer and I'm running ...
0
votes
1answer
22 views

Swapping disks between different systems

I am going to swap my laptop's drive for my desktop's drive. Both run a 64bit 14.04 distro. My laptop has an Intel Celeron CPU while my desktop runs on a AMD A6 CPU What are some things that I need to ...
1
vote
1answer
40 views

e2fsck taking a long time

I have a portable 2TB drive, used over USB 2, that's giving trouble and I am running e2fsck -f -y -v /dev/sdb1 to attempt to fix it. But it's been running for 12 hours and gives no ...
0
votes
0answers
29 views

Does cryptsetup encrypt FAT32 usb disks?

In disks utility, without installing cryptsetup, there is an option to format an external disk using LUKS/ext4. I want to encrypt a USB drive but I want it to be readable in windows (if I eventually ...
11
votes
13answers
29k views

Disk by UUID not detected (initramfs), boot failure

I am unable to boot my lucid, with the built in boot shell giving out this error: Update 1 This error occured after I updated my 2.6.32-26 version kernel and booted directly in winodows. The ...
0
votes
0answers
42 views

How to convert a file to a block device?

When I backup a partition with: dd if=/dev/sda2 of=~/sda2 bs=512 I can still mount it using mount ~/sda2 /mnt But what if I backup the whole disk? dd if=/dev/sda of=~/sda bs=512 I can't just ...