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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2answers
412 views

What is Ubuntu's software raid controller partition size limitation?

Does anyone know what the partition size limitation is for the Ubuntu software raid controller? If its 2TB, does anyone know how to increase that limitation to 3TB? This is in regards to a question I ...
2
votes
3answers
5k views

What should the total space be for 4 3TB Drives in RAID10 configuration?

I just configured 4 3TB drives in a RAID-10 configuration but the total disk space in the RAID is 4TB. I used the following guide to setup the RAID-10, RAID-10 Intall. Shouldn't the size if the ...
0
votes
1answer
963 views

Can't make a boot disk

...For the newest version of Ubuntu. Am using a Macbook, have tried both USB and CD instructions down to a T with no luck. On my mac, with both the cd and USB I get the error 'failed to read media' ...
0
votes
0answers
33 views

I cant burn the download to disk [duplicate]

Possible Duplicate: How can I burn an ISO file to a blank disk? I'm running windows XP, and I have Ubuntu 9.1 also. I tried to upgrade to the 10 LTS but I didn't have enough disk space. ...
5
votes
1answer
7k views

How can I check how much space there is left on WUBI versus how much space it takes on my HDD?

Using 11.10 for the record. It would be easiest to do it on the Terminal.
4
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1answer
2k views

Text User Interface for fdisk?

Is there a TUI for fdisk ? Where can I get it from and how can I use it? I would like one which is in the ubuntu repos
12
votes
4answers
30k views

How do I rename a USB drive?

How exactly would I rename a USB drive? I've read that you can go into the Disk Utility, the click on Edit Partition and there is an option to rename the label but I can't click in the area to ...
1
vote
1answer
5k views

How can I set a quota in /etc/fstab?

i want to mount my /home in etc/fstab for quota limits how do i do that ? My Ubuntu-Server fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique ...
0
votes
1answer
184 views

How do I create a boot disk?

I have a working Ubuntu partition on one of my hard drives, however grub is not installed. What I would like is a 'boot disk' which allows me to boot this partition. Does such a thing exist? I'm ...
3
votes
1answer
836 views

How to recover disk space that is not visibly available?

I have an Ubuntu 11.04 64 bit development image running on VirtualBox. I have been doing some house keeping on the disk space because it was getting low. The drive is a 26GB drive. I have about 4.7 GB ...
5
votes
1answer
1k views

Which folders to restore from full system backup after harddisk change?

Which folders do I need to restore from a backup of my Ubuntu 11.10 installation to get the original state back except the harddisk change? Details: I installed Ubuntu 11.10 on my internal SSD-Disk ...
3
votes
3answers
3k views

Can I install kdirstat on Ubuntu 11.10?

Other disk analyzers are far inferior as they don't allow you to delete files from their interface. The to-ing and fro-ing back and forth between Nautilus and Disk Usage Analyzer is slow, tedious and ...
1
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0answers
48 views

How do you get install alonside Ubuntu option during the installation? [duplicate]

Possible Duplicate: No option to install alongside Windows 7 During the graphical installation I get only two options in the allocate disk space page, i) erase disk and install Ubuntu ii) ...
2
votes
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 ...
2
votes
3answers
662 views

Disk I/O makes desktop unusable. System consumes too much memory

I have a long-term problem with my Acer TravelMate 3002WTMi (Pentium-M 1.73Ghz, 512 MB RAM) and Xubuntu 11.10. Whenever load increases machine tends to slow down to the point that it's totally ...
-1
votes
2answers
74 views

I want to create the partitions in filesystem. is that possible? [closed]

I have installed Ubuntu 10.04 recently. I mean today! And I want my FileSystem (80GB) to be divided into three part just like windows do! Is that possible? If yes Please help me!
0
votes
2answers
1k views

Windows Dynamic Disk not reading in Ubuntu

While using windows i changed my hard disk partitions from "Logical Disk" to "Dynamic Disk"..... then i installed Ubuntu in c drive. when i opened ubuntu the contents of C:Drive are shown but i am ...
0
votes
1answer
144 views

moving file to ntfs volume

I have a nfts disk that I use to keep movies and music: on ubuntu, I created a folder onto this disk and moved a video file from my ext4 disk to that folder. Turned out I could not access to the ...
9
votes
4answers
4k views

What are benefits of upgrading filesystem from ext2?

I have ext2 filesystem installed on my work machine. I talk with my friend who knows linux a lot better and he said its very old and its very weird that I use so old filesystem. I'm now trying to get ...
0
votes
1answer
90 views

View Files from mirrored RAID outside the device

The Product I have is a Western Digital My Book The device has stopped working but there is nothing wrong with either of the two mirrored drives. I would like to take out the two mirrored hard ...
0
votes
1answer
573 views

Is there a way to determine progress on a disk check at boot?

During the boot process, a disk check can be run, but during this process there is no indication or detailed information available to gauge how far along the process is. Is there a way to display any ...
2
votes
0answers
155 views

disk usage confusion [duplicate]

Possible Duplicate: Error out of disk, grub rescue I came in this morning to find my ubuntu dev machine with a notice that it had run out of disk space. However, it's got a 500GB drive, ...
9
votes
5answers
52k views

How do I open the Disk Utility in Unity?

I am new to Ubuntu and have installed it side by side with windows 7. Both boot up okay, my problem is I can't get to disk utility to create a partition that I can share between both OSs. Help says go ...
3
votes
1answer
6k views

How to mount a blu-ray drive?

Maybe it is for the best to close this question. This has nothing to do with a bluray drive in general anymore. Probably a hardware defect. I will try to test it with a windows system and different ...
2
votes
1answer
184 views

Claiming the provisioned storage

I created a ubuntu server vm with 64GB provisioned storage. I remember that I specified 30GB to be used for the vm. When I do df -h, I get Filesystem Size Used Avail Use% Mounted on ...
7
votes
4answers
4k views

Low disk space: home/user folder occupies 94GB

I am low on disk space and when I check the Disk Usage analyzer (using gksudo baobab) it indicates that my home/teddy folder is using 94GB, but when I browse through its contents I can only account ...
1
vote
1answer
359 views

Does Grub2 Require an Optional SCSI Feature?

I was told that the SCSI mode page commands that provide serial numbers are an optional feature. Is this true? Grub2 most definitely fails to function on disks that do not provide serial numbers. ...
0
votes
4answers
1k views

Ext4 disk partitions are not visible

I'm a new user of the Linux environment. I have just have installed Ubuntu 11.10 on my system and I'm unable to see the disk partition in which I have installed the OS. Size of the main disk is 100 ...
0
votes
3answers
3k views

How to auto mount disk drives in gnome-shell?

I have 1 usb disk and 1 esata disk plugged in my pc. When I log in gnome-shell the usb one is mounted automatically. Is there any way to mount the esata disk too, without modifying fstab?
9
votes
2answers
4k views

Source code for 'df' command

Can someone tell me how to locate the source code for the 'df' command. My operating system is Ocelot. Thanks!
60
votes
6answers
59k views

Mount single partition from image of entire disk (device)

I made an image of my entire disk with dd if=/dev/sda of=/media/external_media/sda.img Now the problem is I'd like to mount an ext4 filesystem that was on that disk but mount -t ext4 -o loop ...
2
votes
1answer
977 views

eCryptfs: Input/output error

My home directory is encrypted using ecryptfs. I have recently started getting I/O errors when I try to access some files on that file system: aix@aix:~/.evolution/mail/imap/acct/folders/INBOX$ cat ...
4
votes
3answers
5k views

How to match ata4.00 to the apropriate /dev/sdX or actual physical disk?

Getting stuff like this in the logs: Oct 2 22:11:21 jupiter kernel: [439646.093111] ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 Oct 2 22:11:21 jupiter kernel: [439646.093144] ...
4
votes
1answer
301 views

Why is there not much space for my Ubuntu?

I have a dual system: Windows 7 + Ubuntu. The Windows came with my laptop and I installed Ubuntu without Wubi... My total filesystem capacity: 303.2 GB, I just do not understand why there is not much ...
0
votes
1answer
123 views

Wubi - Installation deleted?

Ok, I think I already know the answer to this one, but it's important I try a bit more. I have been using a wubi installation of xubuntu for about a month, keeping my windows installation for some ...
8
votes
4answers
42k views

How do I resize the partition of a Ubuntu-server?

Is there an easy way to decrease the disk volume on a Ubuntu server? I run a virtual environment and need to decrease my disk volume since I'm running out of space in my non virtual environment.
42
votes
3answers
285k 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)
12
votes
2answers
18k views

could not mount /dev/mapper/cryptswap1

I have just had a major issue with my Ubuntu 11.04 Natty which I think is going to end up in a reinstall :-( This is problem one of two so I've put them as two questions. For some unknown reason I ...
5
votes
4answers
2k views

Ubuntu Install Failing- Hard Drive

Trying to dual-boot UBuntu and Windows 7 on the same 1TB Sata hard drive, but the Ubuntu installer won't recognize the drive- the live CD will, though, and can see it under GParted, etc. Already ...
8
votes
2answers
4k views

“df -h” command puts line breaks in output. How do I fix?

My "df -h" command on my Linux box has some devices with longer names and so the "df -h" output has line breaks (or tabs??) in it, which makes it difficult to parse the output in a script. Does ...
6
votes
1answer
3k views

/var/lib/ureadahead/debugfs eats up 68% of my disk space

On a device with 2GB storage every MB is counted. I wonder what is this /var/lib/ureadahead/debugfs doing on my system and is there a way to avoid its existence. Note this mount point eats up 1.2 ...
2
votes
2answers
2k views

Disk errors on tty and syslog/dmesg

Recently I have started to get a lot of these errors: Jun 18 08:57:42 abacus kernel: [ 401.554292] ata5: SError: { HostInt 10B8B } Jun 18 08:57:42 abacus kernel: [ 401.559346] sr 4:0:0:0: CDB: Test ...
2
votes
1answer
2k views

Cannot copy the contents of virtual hard-drive to my physical disk

I have a vmware ubuntu image on my machine which I want to overwrite my current partition. When I run: sudo qemu-img convert my-image.vmdk -O raw /dev/sda1 I end up with below error: ...
10
votes
1answer
3k views

How do I improve my server disk performance

I have an HP Microserver running Ubuntu 10.04 LTS. It's a low power server with 5 internal drive bays. I use it to backup my remote servers, VPSs and local laptops over the network. I want to get the ...
6
votes
4answers
3k views

How do I create a restore disk?

I'm new to ubuntu and reinstalled 11.04 atleast 10 times already. Each time I reconfigure all my settings and end up breaking something. It is really annoying and would be much easier if I can save ...
0
votes
1answer
337 views

Will a Virtual Box Installation have low Disk performance

I understand that if you install Ubuntu on Windows using Wubi, there are disk performance issues since the entire system is mostly concentrated on a single file. What about the case of a Virtual Box, ...
2
votes
2answers
6k views

Busybox error on boot [closed]

I've Windows XP and Ubuntu 10.10 dual boot was working fine then suddenly while booting in GRUB if I select Ubuntu it shows me stupid Busybox error same as this and Windows XP is working fine The ...
2
votes
2answers
467 views

Why can't I read drives properly?

I installed Natty and my perfectly functioning Ubuntu has stopped working - specifically, it has stopped reading disks. I think the problem has to do with Disk Utility not loading (though Ubuntu can ...
1
vote
1answer
714 views

Disk errors when booting, system doesn't run properly after disk check

I'm using 11.04 on Dell Vostro 1000 laptop. For some time it was ok, but now Ubuntu usually fails to boot. After selecting Ubuntu in grub, I usually see purple (plain, without logo) or black screen ...
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.