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

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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, ...
8
votes
5answers
49k 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
175 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
353 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
3k 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!
55
votes
6answers
52k 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
940 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
299 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
122 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
41k 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.
37
votes
3answers
266k 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
17k 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
707 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.
2
votes
1answer
219 views

How much space do I need to create a backup with fsdisk

I get this error when mounting a drive [ 4337.380506] EXT4-fs (sda): bad geometry: block count 156282966 exceeds size of device (156282701 blocks) So if I try to fix it with sfdisk do I need space ...
7
votes
6answers
7k views

Checksums do not match when creating a bootable USB stick

Since karmic koala, I can't create a bootable USB. Always the same error, it arrives to 96% and then this error " checksums do not match". Also in lucid, meerkat and natty even with fresh install. ...
6
votes
2answers
9k views

Disabling SMART Disk Utility Warning Message

The Disk Utility pop-up the same message so many times and too many at a time. The message is the same "Hard Disk Problem Detected. A hard disk is reporting health problems." The hard disk has ...
2
votes
3answers
153 views

kruft: why do i gain 1GB each time i do a distribution upgrade [duplicate]

Possible Duplicate: How do I clean up my harddrive? Every 5 months I start running out of space on my root partition... I scramble to erase documentation, remove log files, and keep only ...
0
votes
1answer
1k views

Extend the Ubuntu disk space that was installed beside Windows 7 without reinstalling [duplicate]

I have installed Ubuntu 10.10 inside windows from Ubuntu CD with 12 GB space. How could I increase the disk space to 20 GB with out reinstalling Ubuntu ?
2
votes
2answers
361 views

Recovering a faulty disk

When I plug in a removable 1TB USB disk in my laptop, the operations led keeps blinking for a while and then you can hear the servo mechanism resetting with a short "tack". I'd like to recover the ...
1
vote
2answers
4k views

No space left on device

I was getting No space left on device, so I removed some of the files. But again when I try to update my folder with svn update I am getting the same error. Is this the problem with space left? When ...
4
votes
2answers
33k views

How to avoid “Assuming drive cache: write through” message during restart? [closed]

Does anyone know how to avoid message: Assuming drive cache: write through Showing up after preforming sudo shutdown -r now. I restarted remotely but the computer did not restart. And I could ...
0
votes
2answers
764 views

Disk failing on Dell Mini, are there diagnostic tools?

my dell mini 10v running Ubuntu 10.10 runs ok for hours, but then will suddenly slow down drastically. Switching to a console shows lots of error messages, which also get into /var/log/syslog. These ...
0
votes
1answer
381 views

Technical help for disk space allocation

im trying to install Ubuntu but am facing some problems with data allocations. apparently the current partitions made it such that i cant install this OS without erasing the current one (Windows 7) ...
3
votes
2answers
228 views

When your web server starts paging memory to disk and slows to a crawl, what's the best way to recover?

I've been shutting down and restarting the server, but is there something short of that you can do to quickly recover from a high-paging situation?
5
votes
5answers
20k views

How can I add more disk space to my home directory?

The current home directory gets full. Can I assign more disk space to the home directory somehow or are there any other solutions?
4
votes
2answers
2k views

What is the difference between the “Entire Partition” and “Entire Disc”?

I want to install Ubuntu alongside my Windows 7 operation system. During installation I have three options: Install alongside the existing OS. Remove everything and install Ubuntu. Manual ...
5
votes
5answers
19k views

Can you install Ubuntu from the hard disk?

Is it possible to install Ubuntu from the hard disk?
4
votes
1answer
2k views

Unmounted disk still spins up regularly

I just added a disk, with partitions but none of them are mounted. The disk will still spin up every now and then. it goes like this: ### disk spins up hdparm -Y /dev/sdb;date /dev/sdb: issuing ...
3
votes
1answer
4k views

Gparted can't create ext3 or ext4 partitions

I have a 60Gb drive in a Dell Latitude D600. It all started with trying to install 10.10 as a dual boot. First installation failed at the partitioning stage, next I tried manual partition that also ...
2
votes
1answer
368 views

What utility to use to clean up after a disk is suddenly disconnected?

In the event an external hard-drive is physically disconnected and the device is mounted using device-mapper, no cleanup is made. In particular: the directory where the drive was mounted is empty ...
6
votes
4answers
20k views

How to open wubi's .disk files under windows?

Wubi has created one big file with whole ubuntu installation root.disk - there are some files I have left on my linux partition that I would like to access from windows partition, Is there any way to ...
2
votes
3answers
2k views

Disk utility running for a long time

I had a spare, old external usb hard disk which stopped working long time back due to improper removal of disk. I tried fixing it in windows (when I did not have ubuntu yet), however I couldn't fix ...
3
votes
1answer
2k views

How do I unmark a “failed” md device?

In an effort to clean up from a software bug in md, I marked half of a RAID (/dev/sda1 and /dev/sdb1 in RAID1) as faulty using: mdadm /dev/md2 --fail /dev/sdb1 mdadm /dev/md2 --remove /dev/sdb1 But ...
3
votes
3answers
605 views

How to extend Ubuntu disk space without using Live CD?

I first installed Windows 7 from factory, then installed Ubuntu. I ran out of space, but there is a lot in Windows partition. So I wanted to allocate some space from the Windows partition to Ubuntu ...