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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0answers
31 views

Changing munin hdd plugin used UUID

I've backed up my ubuntu server, and changed the HDD. Now I need to know where is the old UUID saved on the system? It seems that munin will no longer work with the HDD plugins, I guess it's looking ...
3
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0answers
523 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 ...
3
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0answers
1k 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
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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. ...
2
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0answers
158 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
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0answers
76 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 ...
2
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0answers
68 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
2k 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 ...
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0answers
400 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...
2
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0answers
50 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 /dev/mapper/...
2
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0answers
395 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
772 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: /dev/mapper/...
2
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0answers
281 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
12 views

Using remaining space on a startup disk

While using applications like dd, Startup disk creater, etcher I can see that a lot of space on the startup disk is unusable. This is normally equal to the diskspace minus the ISO size. How can this ...
1
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0answers
24 views

Which folders from /home should I move to a SSD?

I recently bought an 128GB SSD for my laptop. After moving everything in / to the SSD I still have 95GB left on it. Now I was thinking about moving some of the content of /home/ to the SSD. As far as ...
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0answers
24 views

Where is reserved extra space in Startup Disk Creator 16.04?

I've recently installed updated my Ubuntu 14.04 to 16.04 and one of the resources I most use is the Startup Disk Creator. And one of the problems that I'm having is, I can't install an .ISO at my USB ...
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0answers
26 views

Ubuntu 14.04 - After update root disk /dev/sda is labelled /dev/root

After updating with apt-get upgrade the root partition /dev/sda is now labelled /dev/root. This is a KVM vm which is why it's showing as /dev/sda rather than /dev/sda1 I did not update the kernel. ...
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0answers
10 views

DMRaid Not Detecting its disks

We had a software raid using dmraid in an ubuntu 14.04 box. For some reason, we changed the sata ports per disk. The disks were removed and added again to the case but on different sata ports probably....
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0answers
140 views

Why doesn't the latest Ubuntu 16.04 build support AHCI out of the box?

So, in reference to this earlier question, which I can't comment on: 16.04 kernel support for AHCI? I am trying to PXE boot Ubuntu 16.04 on new Dell hardware (R220, R230, R330) and I find that ...
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0answers
32 views

How to add unused space

my machine has a lot of unused space. Here is the output from the command sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL NAME FSTYPE SIZE MOUNTPOINT LABEL sda ...
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0answers
37 views

No disk, no partition

Okay guys, I had a bit of a problem with my PC earlier. Not sure what happened, it just crashed in the middle of me playing a game and when I restarted it's now telling me I have no operating system ...
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0answers
14 views

Can't log in after partition recovery

I installed Ubuntu 14.04 and accidentally deleted all partitions. I then used testdisk to retrieve one of the partitions, and after it finished it needed a reboot. I rebooted and now I can't unlock ...
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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 ...
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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 ...
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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
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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 ...
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0answers
84 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 ...
1
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0answers
65 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. ...
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0answers
43 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
38 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
316 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
196 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 ...
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0answers
779 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 sectors/track,...
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0answers
92 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 ...
1
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0answers
29 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 ...
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0answers
3k 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
187 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 ...
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0answers
137 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
193 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
22 views

Unable to detect my wireless network card and also unable to access other disk drives

I recently installed Ubuntu 16.04 on a partition for dual booting it alongside windows 10.But my system cant detect the wireless network card on ubuntu even though it works perfectly on windows(my ...
0
votes
0answers
60 views

Booting very slow after I added another disk

After I added another SSD disk my Ubuntu boots very slow. Here are logs with the timeout error: Jun 12 15:45:38 localhost systemd[1]: dev-disk-by\x2duuid-c326712c\x2d3c56\x2d4060\x2d8c3c\...
0
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0answers
29 views

Unable to recognize hard disks in 16.04

I opened my desktop box and I saw 2 physical hard disks. In Disks I can see /sda and /sdb, and but cannot access them or format them. If I try to format them, I got this error: Error ...
0
votes
0answers
29 views

Open LUKS encrypted disk with only password

My PC has 2 disks: SSD: Ubuntu with LUKS encryption HDD: My files with LUKS encryption (same password) I installed new Ubuntu on SSD and now I want to open my HDD in it but when I enter password ...
0
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0answers
45 views

Sandisk Cruzer Blade not detected and can't be formatted

My sandisk cruzer blade is not write protected and it is not mounted in ubuntu. I can't even format it using Disks utility in ubuntu. dmesg | tail info: rishi@rishi:~$ dmesg | tail [192006.789212] sd ...
0
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0answers
23 views

Create and Use Virtual Disk

Is there any tool for Ubuntu for creating and using Virtual Disks? Like the built in VHD files in Windows? I'm not looking for VirtualBox or VMWare (for whatever reason). i look for a simple tool ...
0
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0answers
7 views

Thunar doesn't show attached USB drive: dbus error

The computer has a broken screen and I access it using ssh. When I run thunar-volman I get this error: Failed to connect to socket /tmp/dbus-T7GGeLsNBf: Connection refused.
0
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0answers
11 views

Low disk space- running backups for a while

I am using backups in weekly basis(default Thursday- that is today). I have 500GB HDD but I hardly use 200GB approximately. Attached disk usage image along with the question. During backup my disk got ...