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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2
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1answer
205 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
110 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
951 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
733 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
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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
13k 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
3k 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: $ ...
1
vote
3answers
1k 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 ...
-1
votes
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
votes
1answer
882 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
votes
7answers
5k 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 ...
2
votes
1answer
3k views

How to troubleshoot udev not creating /dev/hda3 on gentoo boot?

My old gentoo laptop seem to have an issue with udev probably due to me updating software using emerge, upgrading udev+kernel, getting some messages "do these things after upgrading udev/kernel" and ...
1
vote
2answers
504 views

Getting “A hard disk may be failing” on startup

I keep getting this error message each time I start GNOME, even though I created a new partition table on this drive, I formatted all the partitions, and created them again, and this just won't go ...
4
votes
2answers
2k views

Hight iowait while the wMB/s is low

I was indexing a MySQL table. It makes a high load on that computer. It seems due to a high iowait. But it also shows that the wMB/s is only 2.87. Isn't even a common SATA HDD able to handle more ...
47
votes
8answers
23k views

How do I know if dd is still working?

I've not used dd all that much, but so far it's not failed me yet. Right now, I've had a dd going for over 12 hours - I'm writing an image back to the disk it came from - and I'm getting a little ...
5
votes
3answers
554 views

What would happen if a hard drive failed while the Linux kernel was running?

I've always been curious of what would happen if a hard drive failed while the Linux kernel was running. Since the kernel image itself is loaded completely into RAM, I don't imagine there would be any ...
6
votes
5answers
5k views

Backup whole hard disk Linux

I am looking for a method to backup a whole disk in case something is screwed up... I don't even know what to install on some special devices of the server, and every time it is not the same. ...
5
votes
1answer
315 views

Is it worth using vdmfec for backups to external SATA/IDE hard drives?

I have some SATA/IDE hard drive enclosures that I use for backups. The drives for formatted with VFAT, since I need to be able to share them with Windows and OS/X machines. The backup scripts pipe ...
2
votes
2answers
2k views

What command do I use to spin up a “power up in standby” drive?

I have 8 drives in my server connected via PATA. The drives are set for no-spin via jumpers on the drive. hdparm -I says powers-up in standby; SET FEATURES subcmd spins-up What command do I use ...
5
votes
2answers
1k views

Diskless workstations

For various reasons I need a setup with one server, and two diskless workstations. The workstations are to be "fat clients", which means I want to enable them to use their own CPU, memory, etc, for ...
1
vote
1answer
804 views

Ubuntu 10.10 installed from windows 7: how to expand drive?

I'm new to Linux. I've installed Ubuntu 10.10 from Windows 7. It's not in Virtual PC, it is independent. It uses a virtual drive in c:, I have chosen it to be 10 Gb. Now I want to increase the size ...
2
votes
1answer
503 views

Creating an extended partition

I'm trying to create an extended partition. In GParted, I shrunk the size of the existing partition and now want to create a new EXTENDED partition in the free, unallocated space. GParted only lets me ...
7
votes
2answers
1k views

How to time grep commands accurately?

I want to compare the speed of these two commands: grep pattern1 files* grep pattern2 files* Unfortunately, the first grep reads much of files* into memory buffers, so the second grep runs ...
11
votes
1answer
862 views

What is the difference between “extended” partition and “logical” partition

What is the difference between "extended" partitions and "logical" partitions on my hard disk? What's the need for each? I am using Linux
1
vote
0answers
160 views

cdrdao is installed, but Brasero doesn't think so [closed]

When I try to copy CD to image, Brasero tells me that cdrdao isn't installed. However I reinstalled cdrdao and Brasero, but the error is still there. [system] Ubuntu Lucid (10.04)
4
votes
3answers
357 views

What would be a good choice for an elastic file system (for adding storage at a later date)?

I'm currently running a Debian 6.0 server with EXT3, but I'd like to move over to Arch. It's being used as a file server right now with a 1TB drive in it (of which 650GB in it is used). What I'd like ...
1
vote
2answers
300 views

Why is badblocks segfaulting?

I am trying to check a mounted partition to see if the drive has errors: [root@virtuality ~]# /sbin/badblocks -v /dev/sdb1 Segmentation fault Uh oh. What does this mean? Why is badblocks ...
3
votes
1answer
136 views

Adding efficient storage to a laptop-based system

I've recently asked an as-yet-unanswered related question. My question here is a bit different: I want to know the best way to add storage to a laptop-based system without sacrificing power ...
11
votes
3answers
890 views

saving data from a failing drive

An external 3½" HDD seems to be in danger of failing — it's making ticking sounds when idle. I've acquired a replacement drive, and want to know the best strategy to get the data off of the dubious ...
6
votes
3answers
6k views

Prevent a USB external hard drive from sleeping

Does anyone know if there is an elegant way to tell an external usb drive not to spin down after a period of inactivity? I've seen cron based solutions that write a file every minute, but nothing ...
14
votes
5answers
16k views

How to see disk details like manufacturer in Linux

With sfdisk -s I can see the disk capacity as follows: $ sfdisk -s /dev/cciss/c0d0: 143338560 total: 143338560 blocks How do I see disk details like disk manufacturer? I tried hdparm, but got an ...
5
votes
1answer
374 views

Why doesn't dm-crypt handle write barriers properly?

One of the well-known properties of dm-crypt is that it does not handle write barriers properly and hence it requires turning off on-drive write cache to prevent corruption of filesystems. As far as I ...
3
votes
2answers
1k views

How to create a new partition on a hard disk?

How do I create a new partition on a hard disk, from the terminal? I've been reading the man pages for fdisk and mkfs, but they're confusing. I need to know how to create a new partition on a blank ...
3
votes
1answer
383 views

How to recover a missing file

I am running ubuntu and last week the system didn't let me alter files as if I had no write permissions. Then on reboot the system did a check of the system which took some time. Then everything went ...
56
votes
18answers
159k views

How do I find out what hard disks are in the system?

I need to know what hard disks are available, including ones that aren't mounted and possibly aren't formatted. I can't find them in dmesg or /var/log/messages (too much to scroll through). I'm hoping ...
7
votes
6answers
3k views

Sync writes very slow. Ubuntu 10.10, 32 bits, ext4

I am running ActiveMQ on my Macbook Pro that runs Ubuntu 10.10, 32 bits with an ext4 partition. Linux iker-laptop 2.6.35-23-generic-pae #40-Ubuntu SMP Wed Nov 17 22:32:51 UTC 2010 i686 GNU/Linux If ...
1
vote
1answer
455 views

How to mount external hard disk every time the server is restarted?

I have a server which the date will be backup to a external windows server hard disk which is mounted. But problem is every time the server is restarted I will need to mount the disk manually. How do ...
4
votes
2answers
2k views

Names for ATA and SATA disks in Linux

Assume that we have two disks, one master SATA and one master ATA. How will they show up in /dev?