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

learn more… | top users | synonyms

4
votes
1answer
254 views

How do I convert a RAID 4 array to RAID 0?

I had a three-disk RAID 0 array and ran the following to add a fourth disk: mdadm --manage /dev/md127 --add /dev/xvdi Each disk is a 1TB EC2 volume. The array took about 40 hours to reshape. About ...
1
vote
2answers
60 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 ...
1
vote
1answer
306 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 https://help....
-1
votes
1answer
66 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 ...
2
votes
0answers
122 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
votes
0answers
185 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
votes
0answers
33 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
229 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 /...
0
votes
0answers
34 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 ) ?
0
votes
1answer
572 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
votes
4answers
919 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?
3
votes
0answers
527 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
102 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?
0
votes
0answers
87 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 ...
2
votes
1answer
127 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
votes
0answers
71 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
81 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 ...
3
votes
1answer
103 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
vote
0answers
49 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
109 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
votes
0answers
109 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
174 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
vote
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
votes
0answers
25 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 ...
1
vote
1answer
443 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 http://i.imgur.com/...
0
votes
0answers
26 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
356 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 ...
1
vote
1answer
2k 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 ...
6
votes
1answer
148 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
votes
2answers
168 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
70 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
votes
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
128 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
vote
2answers
495 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?
1
vote
1answer
222 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
114 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 ...
6
votes
1answer
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 ...
4
votes
1answer
930 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 ...
2
votes
1answer
47 views

Ubuntu from pendrive. How much space available

I am currently trying ubuntu gnome which is mounted on a 2 GB pendrive. So, the computers internal hard disk (320 GB) is not used. So, I want to know how much space I have available. On running the ...
0
votes
2answers
189 views

Resizing ext4 partition with ext4 partition on runtime

I have burnt an image on a 32gb SD card and about 28gb was unallocated. I have used the disk utility on the unallocated space and made him ext4 28gb. now, I wish to extended the primary ext4 ...
3
votes
3answers
121 views

File System Root - Low Disk Space - PARTIAL folder

I use Ubuntu at work and recently I have been receiving a message during boot up that states the file system is low on disk space and at one point the desktop would not fully load. After using Disk ...
2
votes
1answer
66 views

Disk is full and I cannot login to change it

My disk was quiet full for a while now, but I had no time to delete files. Today I installed an update which first was not possible, but the command line allowed it. After rebooting my computer I ...
1
vote
0answers
78 views

MAAS detected disks de1GB and Landscape detects nodes but with checklists(X)

My problem is that MAAS, with hard drives does not recognize your storage capacity, and continue with the installation checklist landscape in brand teams recognize but with a red X. equipment ...
1
vote
0answers
19 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
85 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 ...
1
vote
1answer
1k 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 ...
2
votes
3answers
513 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?
1
vote
1answer
48 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 ...
2
votes
2answers
254 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 ...