A permanent data storage device used for storing and retrieving digital information using rapidly rotating discs (platters) coated with magnetic material in a rigid form factor (as opposed to floppy disks).

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What is the fastest way to write all sectors on a drive?

The goal in my case is not to securely erase data, but simply to force sector reallocation by the drives firmware. I have a drive that has had a few file corruptions. It seems to be due to getting ...
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1answer
253 views

Which driver for USB enclosure should I install?

I'd like to connect my old harddrive to my laptop via USB enclosure. I connected it but it only produced strange sounds, so I thought that the enclosure is corrupted. I connected the enclosure to ...
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3answers
6k views

How to Expand LVM2 Partition in Fedora Linux

I've been using Fedora 15 on a VMWare virtual machine. Over time, the disk space I initially allocated for the file system began to run out, only 12GB left. I've expanded the disk space an extra 25GB. ...
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2answers
481 views

Cloned VirtualBox CentOS disk is unbootable after cloning in GParted

I cloned and enlarged an existing virtual CentOS-6 disk by the following steps: Create 15GB virtual disk and mount the old and the new disks in GParted. In GParted copy boot, swap and ext3 ...
5
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1answer
2k views

“echo 1 > /sys/block/sdX/device/delete” on all disks except predetermined list

I have a list of scsi disks that I need to remove. The list is considered random at best and changes from time to time. I want to remove everything except a predefined list that I have created. Let's ...
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2answers
1k views

Not enough space on / to install new kernel update

During a recent update I received this: Installing: kernel-default-2.6.37.6-0.11.1 [error] Installation of kernel-default-2.6.37.6-0.11.1 failed: (with --nodeps --force) Error: Subprocess failed. ...
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4answers
3k views

Comparison of raw block devices

Is there a utility (or some shell magic) that allows me to compare two block devices? Details: I have one large (0.5 TB) RAID device that I've backed up to a slightly larger SATA device using dd. ...
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4answers
2k views

Finding out what is spinning up harddrive

I am the owner of a NAS, running some Linux distribution. It comes with a web administration frontend, where I can manage several services, user rights and also when it should go to sleep. My problem ...
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2answers
4k views

Install Chromium OS without USB Disk

You seem to need a 4GB USB disk or flash drive to install Chromium OS onto before you can install it to your hard drive. Is there a way to install Chromium OS onto your hard drive without a handy 4GB ...
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3answers
946 views

Root filesystem nearly full - should I be worried?

me@netbook:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 323M 292M 15M 96% / tmpfs 5.0M 4.0K 5.0M 1% /lib/init/rw tmpfs ...
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1answer
411 views

udev weirdness: /dev/hda1 mounted but file not present

I think my question is related to udev and/or udisks, but I am really not sure at all what's going on here. To start with, my system works more or less fine. The less part is due to the fact that, ...
2
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1answer
1k views

Listing a hardrive partition by blocks using LBA

Most hard drive and partition inspection tools seem to list the items using sectors, head.. etc. From another question I was told that these are virtual because they have to be converted from lba, ...
2
votes
2answers
574 views

How to troubleshoot a computer freeze from liveCD?

I'm helping my dad fixing his old computer. I am now running it from Fedora 16 with XFCE Live CD. If I try to install, as soon as it gets to the part where it writes partition to disk however, the ...
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votes
3answers
458 views

Duplicating a hard disk

I'd like to simply duplicate a hard disk drive to another hard disk drive of the same size. I know I can simply do: dd if=/dev/sda of=/dev/sdb (or whatever the names of the drives are in /dev). ...
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0answers
1k views

Hard drives goes missing until reboot - what can be the cause?

I am struggling here. My end goal is assembling a RAID-6 array on my PC, but time and again, the assemble doesn't complete (and cat /proc/mdstat shows that one drive dropped away). This now happened ...
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0answers
460 views

Toshiba Drive Sleeping - SDPARM

My toshiba 1tb external keeps going to sleep and I can't seem to locate anything that resembles a standby parameter. Does anyone know a way to get this drive to quit sleeping? Here is the output of ...
4
votes
2answers
859 views

Salvaging a “broken” hard drive

My girlfriend's macbook's hard drive failed, so I gave her a new one and reinstalled OSX on it. Works fine. However, I wanted to see if I could use her old hard drive for backups/fun. I was able to ...
2
votes
2answers
419 views

What tool(s) should I use to test my hardware for errors?

Are there any Linux tools (command line, or Live CD) that will test hardware components for errors (hard drive, RAM, CPU, graphics card, buses) and show me some detailed output with wrong parts etc.?
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1answer
455 views

How to fix “number of errors while writing to disk(or) multi-zone error rate”?

I ran hard disk checker, and i found this error: Write Error Rate: number of errors while writing to disk(or) multi-zone error rate (or) flying-height --- Normalized: 200 Worst: 200 Value: ...
2
votes
1answer
10k views

How to see free disk space on SunOS?

It really makes me mad. SunOS 5.9 #format Searching for disks...done No disks found! # mount / on /dev/md/dsk/d0...(skip) /var on /dev/md/dsk/d4 ... /opt on /dev/md/dsk/d5 ... /home on ...
4
votes
2answers
705 views

Create a partition from a directory

I have a Linux system with only one partition /dev/sda1 on /dev/sda disk with / mount point. Is it possible to create partitions after installation? e.g. create /dev/sda2 with the mount point /home/ ...
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1answer
3k views

Discovering EMC PowerPath LUNs and creating partitions on Solaris

I have to work with EMC PowerPath disks/LUNs. I find them in the /dev/dsk/ directory under names such as emcpower0a, emcpower0b, …, emcpower0z, emcpower1a, … Here are my points of confusion: Inside ...
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2answers
13k views

Can I fix bad blocks on my hard disk with a single command?

I'm working on fixing the errors in my Hard Disk, It's possible to do that manually but it might take hours. After typing this command sudo badblocks -b 512 /dev/sda, I got hundreds of results and I ...
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votes
2answers
7k views

What does this hard disk error message mean: “Current Pending Sector Count …”?

I grabbed this information from Disk Utillity on Linux Mint: Current Pending Sector Count: Normalized: 200 Worst: 200 Threshold: 0 Value: 22 sectors What does it mean? Is it possible to ...
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2answers
11k views

How to find HDs associated with a mount point

I am running on Sun Solaris system. I would like to know the following How to find the HDs associated with a mountpoint? How to find all available HDs (those which are used as well as unused for ...
2
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0answers
751 views

Mount Freecom Classic SL Network Drive (NDAS) in Ubuntu 11.10

Both the Network Drive and the Ubuntu machine are connected by Ethernet to a Linksys WRT54GL router (192.168.1.1). To access the Network Drive in Windows, I installed the NDAS software and mounted ...
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1answer
499 views

Create recovery medium from Windows 7 recovery partition

Many laptops are delivered with Windows 7 recovery partition (but without CD or DVD) which takes place on the harddrive that could contain some Linux distribution or serve for data storage. I don't ...
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1answer
706 views

VirtualBox disk performance?

This option was newly added to latest version of VBox , googled a lot , seems no much information was revealed , could anyone please help me pick one disk format ? Which one owns better performance ...
2
votes
1answer
181 views

What exactly is a “home directory”?

When your University sends everyone an e-mail saying "We're sorry! One or more of our disks have failed; thus we've lost 'x' number of home directories on our servers." Is it basically just the root ...
1
vote
1answer
514 views

Disk Scheduler in Linux

I am studying about Disk Scheduling in my OS class. Thought about the disk scheduler in Linux. When I run cat /sys/block/sda/queue/scheduler noop anticipatory deadline [cfq] Someone explain about ...
0
votes
1answer
323 views

Formatting secondary hard drive that has windows on it

I recently installed an setup an Ubuntu Server machine. It has two drives in it and the other drive has windows installed on it. (I didn't want to overwrite the windows installation until I had my ...
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3answers
280 views

Get Position of RAID Hard Drives

I was recently tasked with creating a hard drive management system on Linux. I needed to write a program that monitored when drives came online and offline and created/removed links to the drive ...
2
votes
1answer
590 views

Equivalent to “copies=2” feature of ZFS in Linux with LVM

I have a laptop with only one HDD and is impossible add other HDD. The feature "copies=2" of ZFS is the perfect solution for to add redundancy to my /home in the laptop. I would like emulate the ...
3
votes
3answers
766 views

Debian preseed.cfg/automatic install setup not detecting hard disks

I'm trying to build a Debian automatic install set up using a preseed.cfg file loaded into a client by PXE. The host and client are both Virtual Box VM's. Everything goes smoothly on the client ...
1
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1answer
651 views

iostat usage and output

When I run the iostat command like this: iostat -d I get a result something like this: Linux 2.6.18-238.el5 (mon01) 09/03/2011 Device: tps Blk_read/s Blk_wrtn/s Blk_read ...
2
votes
3answers
806 views

Safest HardDrive Format for Archiving/Media Storage Data?

What is the safest hard drive format (NTFS, HFS+, XFS, ZFS, ...) for archiving or/and storing media (data)? I'd prefer to have the data not corrupt and be relatively safe (From corruption, ...) and ...
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vote
1answer
2k views

Black Screen When Booting From .VDI Image

I have cloned a VirtualBox machine, which runs Ubuntu 11.04 32-bit as Guest OS. I now wish to transfer it to a new host machine running Windows Vista 32-bit. I’ve transferred the .vdi file and ...
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0answers
232 views

Accessing .VDI Image from Ubuntu VirtualBox [closed]

I have Ubuntu 11.04 installed in VirtualBox 4.0.10 on a Windows Vista Home Premium 32-bit host. I have a hard disk that I have added to the SATA Controller on the VirtualBox (a .VDI image). My ...
2
votes
1answer
207 views

GRUB won't boot, live CDs either

First, my computer crashed slowly, as if all the files were being deleted, then when I tried to reboot, GRUB just didn't show up. I also tried to boot on a live CD but it doesn't work either (yes, ...
2
votes
1answer
114 views

Running comprehensive speed tests on a drive

I'm wondering if anybody knows of any free packages, scripts or command line tools that can report a comprehensive speed test on a drive (e.g. generating random data, and testing how long it takes to ...
3
votes
3answers
1k views

Recommended fstab settings

I made a new partition for my home drive by following this guide I have no idea what the fstab setting it suggests mean: UUID=???????? /home ext3 nodev,nosuid 0 2 I ...
4
votes
1answer
1k views

Unable to mount a second hard drive in Ubuntu Server

I am adding a second drive to my Ubuntu Server. It was previously in a FreeNas system, but I got rid of the XFS partition and created an ext4 partition (in an older Ubuntu system). I then backed up ...
4
votes
2answers
771 views

Are there any issues using 2TB hard drives with 4k sectors

I'm thinking of purchasing a 2TB hard drive (probably a Seagate F4), but I've read reports of Linux not being compatible with 4k sectors on these drives. Do I have to do anything specific when I ...
10
votes
1answer
4k views

Using a LVM partition as a Virtualbox drive

Is it possible to use a LVM partition as a Virtualbox disk? I can't find any option to use a device as a Virtualbox disk, only disk images.
3
votes
1answer
14k views

EXT4-fs (sdc): VFS: Can't find ext4 filesystem

In short, this is where I found the best answers to my problem with my disks: https://help.ubuntu.com/community/DataRecovery During Fedora 15 installation, I added all my 3 drives to be mounted on ...
3
votes
4answers
4k views

External hard drive fails to mount

I have an external 2.5" 1TB Samsung hard drive, and it fails mount. Here's what palimpsest says about it: It's even able to do a benchmark on it: When I try to mount it normally, it fails: $ ...
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3answers
2k views

How to partition my hard-drive to be used for dual OS?

I'm using HP G42 laptop with 320GB hard-drive and 4 GB memory. I'm pretty sure that, it can be used for dual OS(Windows 7 & fedora) Currently, I'm using only Windows 7, but, I need to install ...
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3answers
105 views

Does PGPDesktop supports OpenBSD or e.g. Fedora?

Does PGPDesktop support OpenBSD or e.g. Fedora, or can I only encrypt my whole hard drive when I use Windows?
3
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1answer
926 views

System Backup in Fedora 14

Does anyone know how I can backup an entire system, such that if the disk drive failed, I could quickly restore the backup onto another disk? I'm running Fedora 14.
12
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7answers
6k views

What's the best way to format a HDD in Linux in order to leave no trace?

I'm running Debian and need a way to format the entire hdd in order to not leave any trace on it because I want to donate it to a friend. So what will be the best way in order to format it? If I ...