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

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3
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79 views

External disk mount again after safe removal

I have an external ntfs disk. When I try to safe remove it, after few seconds it is mounted again without doing nothing... This happens every time and with every remove method I tried: clicking on ...
3
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0answers
214 views

How to trigger Offline data collection with Smartmontools?

I just purchased a new SSD and I'm trying to figure out how to monitor the expected lifetime of it. When I run sudo smartctl -a /dev/sda it reports ... General SMART Values: Offline data ...
2
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0answers
68 views

How to create two partitions with exactly the same size?

I created two partitions using the following commands. parted /dev/sda --script -- mkpart primary 1 50001 parted /dev/sda --script -- mkpart primary 1948001 1998001 Each partition should have 50001 ...
2
votes
0answers
626 views

SD card write speed not as advertised, on 14.04 at least

I bought a new SD card and the claimed performance is a long way from my benchmark. Is there something I can do improve the transfer speed when working with this SD card? Information on the disk: $ ...
2
votes
0answers
47 views

I don't understand why one disk is missing a label in XFCE

I'm running Xubuntu 14.04 and I have an issue with the labels of my EXT formatted disks on my graphical desktop: Disk one is shown as foo. When I right click the disk and choose "Properties", this ...
2
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0answers
889 views

How to deal with “Errors were found while checking the disk drive for /” in a server?

It seems a little stupid for a operating system this behavior in a SERVER operating system. The problem is very simple to replicate on Ubuntu Server: just change the date back in time and then reboot ...
2
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0answers
44 views

Strange RAID disk volume usage

I have Ubuntu Server 12.04, and my disk is full. I don't know why; my files don't use more than 5GB. Filesystem Size Used Avail Use% Mounted on ...
2
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0answers
369 views

Disk Boot Failure after power outage

I recently experienced a power outage whilst logged on to 11.04 with XP running on VirtualBox. When I now try to boot, I receive the Disk Boot failure, Insert System disk and Press Enter. I have run ...
2
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0answers
729 views

12.04 does not boot from the disk after installation

Installed Ubuntu on HP xw4600 workstation using CD not USB. But after installation it does not boot from hard drive. During installation it showed: The entire disk will be used: ...
2
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0answers
274 views

Why Is 32-bit Ubuntu Folder Size Much Larger Than 64-bit Version?

I noticed this when sync'ing a folder with hundreds of thousands of sub folders from my local 32-bit Ubuntu (10.04, ext3) to my remote 64-bit (10.04 ext3) VPS. The size of the local directory is ...
1
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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
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0answers
52 views

Is it possible to install Ubuntu on external disks from an active workstation?

I am running Ubuntu on my workstation and have connected three blank drives to it. I would like to install three copies of Ubuntu onto the blank drives while continuing to work in my operating system. ...
1
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0answers
32 views

Why does Ubuntu write to disk when copying files from CD to USB?

My machine has 18GB of main memory. When copying files from a mounted CD to a mounted USB drive there is a lot of HDD activity. Why does Ubuntu write to disk when copying from CD to USB? I assume ...
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0answers
33 views

Boot disk problems

Followed the download instructions for making USB bootable for 14.04.01 on borrowed iMac as laptop needs a clean boot. Copied command line from instructions and pasted into terminal, returns error ...
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0answers
214 views

How can I connect to AirPort Extreme Shared Drive upon login?

I'm new to Ubuntu but I have successfully used the "Connect to Server" menu option in the Places window to connect to my external USB drive, which is shared on my Airport Extreme. I use the IP address ...
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0answers
128 views

Two “ubuntu-vg” partitions unable to mount due to naming clash

I had Ubuntu 13.04 installed on my laptop. Rather than upgrading, I decided to install 14.04 fresh on a new SSD. So, I have two drives. One with 13.04 and my old data, and one with 14.04. Both ...
1
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0answers
52 views

Deploy ubuntu with MAAS fails

I have a problem with the Ubuntu deploying with MAAS. I'm trying to install Ubuntu on a KVM virtual machine. The boot with pxe works, I see the login prompt during the deploying, the server connect ...
1
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0answers
310 views

Fix write-protected(read-only) filesystem

I made bootable usb drive , then USB drive was write protected. I used followng command hrirks@hrirks-MS-7592:~$ sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 ...
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0answers
73 views

traverse all the disks or get hd_struct by device name in kernel module

I'm writing a kernel module(on linux 2.6.32), to get the disk_stats of all the disks(not partition) in use. In other words, I'm getting the data just like what /sys/block/sda/stat shows, but in kernel ...
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0answers
24 views

KVM image size has changed?

We had a 180GB VM image. Inside the guest VM everything is OK and hdd size is 180G. but when we look the image size on the host it is 475MB. I am afraid that if we restart, the VM wouldn't work. I ...
1
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0answers
257 views

14.04 Installer crashed because of low disk space

my computer has a 500GB hard drive and I did the delete everything choice, but I am getting an error when trying to install Ubuntu 14.04 LTS HELP...it's older hardware...
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0answers
2k views

ubuntu doesn't recognize USB disk after upgrade to 14.04

Appreciate any thoughts on this. fdisk does not see the USB drive(s). Was working until I upgraded from 13.10 ->14.04 Dmesg and lsusb show it: > lsusb Bus 002 Device 005: ID 058f:6362 Alcor ...
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0answers
1k views

after installing ubuntu 13.04 CD-ROM not working

I remove my windows 7 and install ubuntu 13.04 amd64 in EFI after many hit and trail. first time i install ubuntu with DVD and it is success full installation but i decide to install in EFI. in second ...
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0answers
137 views

The disk tray won't open when I press the button

I'm trying to open the disk tray in Lubuntu 12.10 and nothing is happening. This can't be a mechanical failure because it works fine in Windows XP, and I'm posting it here because there are no ...
1
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0answers
127 views

Disk cache is sometimes dropped/erased

I have a memory/cpu monitor running, and sometimes see the graph line for “cached memory” drop, for no apparent reason. Earlier today Cache memory was at about 4.8GB but then dropped in two steps ( a ...
1
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0answers
169 views

Is it possible to extend filesystem using network drive?

I'm running very low free disk space on my file system. Is it possible to extend file system size using network drive (using LVM or similar) Preferably I would like to use Google drive (There is ...
0
votes
0answers
21 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
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0answers
26 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
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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 ...
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.
0
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0answers
17 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 ...
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0answers
20 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 ...
0
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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? ...
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
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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
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 ...
0
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0answers
43 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 ...
0
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0answers
18 views

Ubuntu Ver 14.04

New to Ubuntu, we have a NAS drive that has a burned out board, inside the NAS are 2 x 2TB Drives with a RAID 1 COnfig. I have been told to use Ubuntu to access the data on one of the Raid Drives, I ...
0
votes
0answers
157 views

The disk structure is corrupted and unreadable

I dual-boot Windows & Ubuntu.Last night, I accidently ran ntfsfix (from the ntfs-3g package) on the windows partition in my hard drive. When I usually boot my machine, it shows the windows ...
0
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0answers
36 views

Disk Error - /tmp not loading or present'

![disk utility details][1]I had suspended my system for a while. After reopening, I did not reach the usual Password page. On restarting, the grub page opened up where I was given options of booting ...
0
votes
0answers
57 views

Frequent grub rescue and black screen at login

I'm frequently facing grub rescue prompts when I boot up my system, restarting sometime solves the issue. Also sometimes after login the screen does not end up to desktop and on opening terminal using ...
0
votes
0answers
68 views

Troubleshooting disk activity, could somebody guide me?

My hdd is screaming as much as it can on startup, for something that feels like at least 5 minuts, I'm fairly new to the linux world and quite worried about it as I care quite a bit about my files, ...
0
votes
0answers
53 views

I just installed Xubuntu and my computer became slow and lagged

At the begining, after I installed Xubuntu and restarted my computer, it said: THERE ARE PROBLEMS PROVING THE DISK UNITY /. (translated). Now my notebook is working really bad and slow, it is 64-bit ...
0
votes
0answers
45 views

Reboot with Xubuntu 14.04 Live CD without reading machine hard drives

I have created a Xubuntu 14.04 live CD which is used to boot my machine. For now, after the reboot, I can access my local hard drives through the Ubuntu interface. Is it possible to disallow this CD ...
0
votes
0answers
70 views

lvm VG on boot disk (array) not found with vgdisplay but VM VG seen

I have weird problem with VM server and two raid arrays: OS is installed /dev/sda (raid-5 array) with vg-disk (group?) with id vg_server1 which is created during installation. Later on there is ...
0
votes
0answers
31 views

moving my dota2

I want to copy files. how do I move my dota2 program to another pc? or move it to a external HDD? I am reformatting my Ubuntu into 64-bit. anyone can help please. I have tried copying using terminal ...
0
votes
0answers
33 views

Disk is full but SDA3 has space

I am new to Ubuntu. I have a dedicated server for a website. After every couple of hours, it starts giving errors that the disk is full. I used some basic commands to see the space, and only root is ...
0
votes
0answers
49 views

How to disable LVM for sda?

When I installed Ubuntu 14.04, I check use LVM option. I want to disable LVM for sda, but I don't want to wipe this disk. Is it possible?
0
votes
0answers
31 views

Can't access 2nd HDD

disk:sda 1 has Ubuntu trying to get files off disk:sdb 1 (win XP OS) getting this message: Error mounting /dev/sdb1 at /media/brad/Old Drive: Command-line `mount -t "ntfs" -o ...
0
votes
0answers
72 views

Ubuntu 14.04 freezing completely on new netbook

I have some strange problem not letting me ask this question on my laptop, so apologies if I am asking something that has already been asked by someone. I bought laptop with enough capabilities to ...