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

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1
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1answer
227 views

allow all users to read/write any files/folders on 2nd drive regardless of who created it

I am running 14.04 LTS. I've got a mount point called /files that is owned by root, the group is plugdev and I've given the group write permission. I used some of the information in ...
1
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2answers
50 views

How can I invoke “scsi start stop” from command-line since gnome-disks seems to support this call?

I'm on Ubuntu 14.04LTS. Gnome-disk-utility has a button which invokes the scsi start stop unit command on a selected device. I'd like to invoke scsi stop for a device (in my case an empty SD-card ...
3
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2answers
4k views

For more security: overwrite empty disk space

I know it might seem a stupid question but I haven't come across any forum or post on the internet about: - What does "overwriting an empty disk space" mean/do? - Why doing that makes it more ...
-1
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1answer
65 views

No boot into Unity after turning on automatic mount options for hard disk

My updated Ubuntu 15.4 desktop has a SSD drive (sda) and a hard disk (sdb). It boots from the SSD drive. Then I needed to click on the hard disk in order to mount it. Because I wanted my PC to ...
1
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0answers
76 views

Kerberized NFSv4 no write permission

I have some trouble with installing NFSv4 with Kerberos. I can't write on my NFSv4-Share. That's my /etc/exports: /srv/export/ gss/krb5p(rw,fsid=0,no_subtree_check,async,no_root_squash) Thats ...
6
votes
1answer
134 views

Resized VirtualBox VM disk, but when partitioning can't use all new available space

yesterday I've resized a VM Virtual disk from about 15 GB to about 26 GB. If I run fdisk I can check that disk is resized: Disk /dev/sda: 26.2 GB, 26214400000 bytes 255 testine, 63 settori/tracce, ...
2
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2answers
2k views

How to merge free space with filesystem partition?

That's the snapshot of my disk. I want to merge free space to primary partition without data loss.
2
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0answers
96 views

How to deploy ramdisk image on to disk less nodes using MAAS?

I am using MAAS version 1.7.6 with ubuntu 14.04. Currently MAAS can deploy ubuntu/centos images on to the nodes by installing into local disk. I want to deploy my disk less nodes with ramdisk image. ...
0
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0answers
146 views

Internal harddisk drives are not showing up

I've installed Ubuntu 15.04 for the first time. Created two partitions during the installation. But no drives are showing in the system. Tried many methods but not working. Disk utility is showing two ...
0
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0answers
29 views

Move the www/html LAMP folder to another disk

I'm dual-booting windows 8 and ubuntu and I want to use a shared disk (E:/) as a www/html folder. Now when I open Ubuntu this disk is called Shared_data and I'm wondering if it's possible to change ...
3
votes
1answer
160 views

LUKS encrypted device gone missing

The 2TB disk that I use as an encrypted backup, is now reported by Ubuntu as being just free space. The encryption was setup as a LUKS encrypted device. The output of sudo fdisk -l reports: Disk ...
5
votes
1answer
1k views

How do I run an I/O intensive application only when the computer is idle?

Is there a tool which can be instructed to pause specified processes if user uses a keyboard or mouse and to resume it in certain time after user has stopped interaction to the OS? I would like to ...
5
votes
2answers
16k views

I need step by step guidence to recover grub [duplicate]

Yesterday I removed some two tiny partions from the disk, Today it won't boot. I opened my computer from USB now, but I can not install grub from chroot. I run sudo blkid I noticed that my ubuntu ...
4
votes
1answer
5k views

I have 4 bad sectors on my hard disk, should I be worried?

I use Ubuntu 14.04 LTS. Here are some screenshots that depict the condition of my hard drive. It shows that my hard drive has 4 bad sectors. Is this something to worry about? Is there any way to solve ...
0
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0answers
33 views

my disk 8GB become only 2MB after I use it for booting

I had use my disk to install ubuntu but after that I notice my disk become only 2MB located space , so how can I recover the whole space ( 8GB ) ?
1
vote
1answer
198 views

Error whilst creating partition

Original error message in german Error wiping newly created partition /dev/sdc1: Command-line `wipefs -a "/dev/sdc1"' exited with non-zero exit status 1: wipefs: Fehler: /dev/sdc1: Initialisierung ...
0
votes
1answer
509 views

Encrypting Ubuntu 15.04..?

When I first installed Ubuntu it gave me the option of encrypting the install. At the time I opted not to do so. I am interested in doing so now. I know there are speed considerations, but I am not ...
0
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4answers
732 views

disk requirements for 15.04

How much space does Ubuntu 15.04 (64 bit) use on a SSD disk? How much swap space to assign for standard desktop usage?
2
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0answers
433 views

block bitmap and bg descriptor inconsistent

The error : [Sun Sep 6 11:15:56 2015] EXT4-fs error (device dm-0): ext4_mb_generate_buddy:757: group 113, block bitmap and bg descriptor inconsistent: 34 vs 33 free clusters [Sun Sep 6 11:15:56 ...
0
votes
0answers
92 views

Why used + available space is less than total space

I tried to see my disk usage by System monitor. It shows used = 62.7, Available =863.7 ,Total =976.0 My question is why used and available space is not summing up to total space?
2
votes
2answers
223 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 ...
3
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2answers
921 views

Lost disk space after switching to Ubuntu from Windows

I am new to Ubuntu and was really excited to try it. I did my home work before installing Ubuntu on installation topics. So, I'm fairly knowledgeable about systems. Hardware: Dell Inspiron 14R ...
1
vote
1answer
1k views

How use wipefs with fdisk msg (15.04)

I have a 2TiB disk with exFat video on. I discovered that fdisk gives this message: Welcome to fdisk (util-linux 2.25.2). Changes will remain in memory only, until you decide to write them. Be ...
1
vote
1answer
226 views

Hard drive indicator is slightly flashing all the time

My laptop's hard drive indicator is slightly flashing, even when idle. How do I figure out which process is causing the hard drive activity and stop it? I believe there shouldn't be any hard drive ...
0
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0answers
79 views

I can not install ubuntu 14.04.2 in my partition.Installation crash

Previously I had dual boot my pc with ubuntu and windows 7.After installing windows 10 I can not install ubuntu in my pc. In installation process from my usb stick I got this message. "The system ...
5
votes
2answers
4k views

Why is the .xsession-errors.old file so big?

Problem Many users (including me) found out from one moment to another that the usage disk space is really strange. One day I had 50Gb free and the next I had 3Gb, it is just crazy. This happened ...
2
votes
1answer
110 views

How to separate two user's home directory in to different partition

I have /home directory in the separate partition. But, I have two users in my system. I want to create a separate partition for one of these user. Like partition1 : /home partition2 : /home/user1 ...
0
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0answers
69 views

Enterprise full disk encryption solution for Linux

I have around 100 linux (Ubuntu) desktops that are connected to a Domain Controller using Centrify. I am wondering what Domain Controller based encryption solution I may use as for example FileVault ...
0
votes
0answers
75 views

Please help recovering accidentally formatted NSA disk (linux raid)

I accidentally formatted wrong disk using gnome disk utility. The Toshiba 1TB disk has been used in NAS Zyxel NSA320 and i planned to mount it in my ubuntu to make a backup. I use only one 1TB disk ...
6
votes
2answers
2k views

tmpfs vs. ext4 ramdisk

I would like to know which of both is faster; a tmpfs or a ext4 ramdisk. If someone knows a good way to benchmark disk perfomance on ubuntu, I will gladly do the test myself and post the results.
0
votes
1answer
380 views

COMRESET failed errno=-16 While Starting Ubuntu 15.04

I restarted my laptop and it seems like I cannot get it to start. I get the error message ata2: COMRESET failed (errno=-16), and Busybox. For more details check the picture at ...
3
votes
1answer
89 views

Expand partition to use free space

I have searched here on this site and others on the web and have tried to expand sda6 after removing several other OS/partitions with GParted... no success. Please guide me to the instructions or ...
1
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0answers
44 views

newly formated disk is read only

I just reformatted a hard drive, with the ntfs file system, and its showing up as read only. How can I make it writeable? here is dmesg: ~$ dmesg | tail [49340.213245] sd 14:0:0:0: [sdb] No Caching ...
0
votes
1answer
100 views

External USB hard disk not seen in device window

I am attempting to format an external hard drive in Linux (as opposed to Mac or PC). I am running the Ubuntu Linux 14.04 desktop on my MacBook pro through Parrallels. When I click the Dash button, ...
0
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0answers
108 views

15.04 Ubuntu, disk encryption

I installed U. 15.04, but neglected to install the disk encryption feature. Is it possible to do so now without re-installing, and, if so, how?
1
vote
1answer
142 views

USB Drive partition corrupted

I was working with my usb drive when I plugged it in and in gparted and the usb showed unallocated partition and gparted asked me to create a partition table. I created a table and my pc got stuck and ...
1
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0answers
17 views

How to properly move /home from separate partition into / partition?

I have two logical volume which one is used for / and another one for /home. The thing is now I want to have /home to be not separated from the /. I want to use the logical volume which I use for / to ...
0
votes
1answer
2k views

Fix the USB error “There is no disk in the drive. Please insert a disk into drive X”

I have a 32GB USB Pen Drive which has gone dead (USB drive unusable, unformattable, and reporting 0 bytes capacity). It is not accessible through any OS. When I insert it into my Windows machine and ...
0
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0answers
24 views

Often disk errors on boot

From some time now, when I open my laptop the machine keeps staying in splash screen and when I press "->" (right arrow) key to see the log it shows a message of Ubuntu finding errors on disk, I press ...
0
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0answers
24 views

how i solve problem of disk is likely to fail soon? [duplicate]

I recently installed Ubuntu instead of windows7 and when i went to disk to make partitions .I saw this message "disk is likely to fail soon" and i could not make partitions
0
votes
2answers
530 views

Full disk problem though it is not

Disk full problem, but it is not in 12.04 Have tried to delete all trash contents permanent a lot of other things, but still full. If looking into system monitor sometimes it looks like I've got 1GB ...
0
votes
2answers
273 views

Local Disk E is not showing

I installed Ubuntu 14 on Local Disk C and everything perfect but I cant find my other Local Disk E. Pls help me about that. First of all Thanks a lot for your answer. But i m new on linux and I ...
2
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2answers
121 views

To install Wipefs in Ubuntu

I run apt-cache search wipefs and aptitude search wipefs unsuccessfully. How can you install wipefs in Ubuntu?
0
votes
1answer
68 views

Ubuntu on Asus laptop doesn't recognise Intel SSD

SSD: Intel 335 Laptop: ASUS X555LD-XX852H Problem: My brother replaced the original HDD with a the SSD and tried to install Ubuntu using a flash startup disk. However, the SSD isn't listed as an ...
0
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0answers
15 views

Where Should I mount the Partitioned Drive in order to access them from the taskbar on the leftside of screen?

I installed Ubuntu14.04 LTS. During the partitioning I set the mount point of the extended partition disk to /home and /usr. But now I am not seeing it on my taskbar. Neither it appears on the left ...
1
vote
1answer
114 views

To expand partition volume of root

I just installed on the whole disk of 1TB, the Ubuntu 14.04. However, the disk volume is being said that it is almost gone for root when installing all LaTeX and development packages to my system. ...
1
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2answers
442 views

Why I can't partition my drive in Ubuntu using gparted? [duplicate]

My problem is that when attempting to resize the dev / sda2, both the minimum and the maximum size, are of the same value (which is the disk size: 708 862 MB). What should I do?
0
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1answer
104 views

SSD space used even if formatted

I wanted to reinstall Ubuntu and formatted all my disks but the installer got stuck when creating the primary partition on my ssd. I decided to create the partition manualy with gparted but whilst the ...
4
votes
1answer
668 views

How file system block size works?

All Linux file systems have 4kb block size. Let's say I have 10mb of hard disk storage. That means I have 2560 blocks available and let's say I copied 2560 files each having 1kb of size. Each 1 kb ...
5
votes
0answers
2k views

Please enter passphrase for disk .How to fix it?

I'm using Ubuntu 15.04. I don't know what has happened: when I start and enter the passphrase, this message appears: Please enter passphrase for disk ubuntu--vg-swap_1 (cryptswap1) on none! Please ...