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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1answer
45 views

How to Mount a Drive with Right Filesystem?

I am trying to mount the device /dev/xvdc on my CentOS system. When I run an fdisk command I get: Device Boot Start End Blocks Id System /dev/xvda1 * 1 33 ...
0
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1answer
36 views

Comparing Windows and Linux machine hardware

I have to compare Linux and Windows machine hardware? In windows system, I can open the My computer properties and see the details like processors, RAM Hard disks etc. Through task manager, I can see ...
-2
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1answer
18 views

How to mount a hard disk in Linux mint? [on hold]

I have a laptop with the 298gb hdd but yesterday a mad kid hitted his hand on my laptop and everything got messed up. The windows os which was intalled is not starting so I started using live usb ...
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1answer
25 views

How to install Linux Mint 17 on SSD and have Home on HDD

I have Sony Vaio VGN-NW23NE Laptop and I'm using Linux Mint as my Operating System for about two years, I've currently Qiana. I bought a new 120 GB SSD to speed up my Laptop, but I'm confused about ...
4
votes
2answers
63 views

Getting the extra GPT info; a “fdisk -l” equivalent

What is the equivalent for GPT using HDDs of: # fdisk -l /dev/hda > /mnt/sda1/hda_fdisk.info I got this from https://wiki.archlinux.org/index.php/disk_cloning (under "Create disk image") for ...
0
votes
1answer
41 views

NTFS drive not mounting in Debian

This drive has been working fine for a while, but I recall having had some slight trouble getting it mounted in the past. Anyway, it was disconnected from the machine for some time and when I ...
1
vote
1answer
26 views

How are files or chunks delimited on disk?

I'm trying to recover some lost files by grep-scanning a hard disk. (The OS is Darwin 11.4.2. The file system is HFS.) How can I determine where a file (or contiguous chunk thereof) begins and ends ...
3
votes
3answers
162 views

equivalent of `grep -a /dev/sda1` on Darwin?

I want to run something like % sudo grep -i -a 'some-string' <drive device> On Linux, <drive device> would be something like /dev/sda1. How can I find the equivalent on Darwin? (In ...
2
votes
2answers
53 views

Is reading a file on UNIX faster than writing a file?

Sorry for the sheer simplicity of this question. A rather obtuse performance bottleneck has boiled down to this very small query. I have done some empirical analysis and I think I might be getting ...
2
votes
1answer
40 views

Hard Drive Crash / Gparted Error or Something Else

Well, I had my hard drive crashed some weeks ago. My Ubuntu (14.04) automagically froze and after the moment I pressed the restart button, and it prompted me with busybox prompt. I tried booting with ...
0
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3answers
53 views

dd write vs read performance

I have recently done some performance tests on a new server (using dd) and wonder why read performance is so much worse than write performance? Shouldn't it be another way around? file size was in ...
0
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0answers
27 views

Discovering possible RAID configuration of a bunch of disks

I have a stack of 8 disks which were at one point all inside of one host. That host no longer exists, but it's been requested that I retrieve data from these disks. No one can tell me anything about ...
1
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1answer
22 views

Can I split a disk image and run Photorec on each part individually?

I'm running Photorec on an external HD connected via USB and it's taking too long, with the estimated remaining time constantly increasing. Is there a way to create a disk image from that external ...
0
votes
0answers
15 views

Proper file system for an External Hard Drive to work well on Linux [duplicate]

I have a External Hard Drive (EHD) I want to use to backup the data on my Linux laptop. I want to know how I should format my EHD for it to work correctly with Linux. Thanks.
0
votes
1answer
31 views

Point folder on main HDD to newly mounted 2nd HDD

What is the best way to point a folder in one of my websites directory to a folder in a second HDD I just had installed? I see things about fstab and symlink but am lost at what is the best way to do ...
3
votes
2answers
68 views

Can I partition around a bad block on a harddrive?

I used a computer too much, running a script for many weeks. Eventually, Debian printed a thousand errors and shutdown, and won't start again. When I ran DBAN on the drive, to write 0's to the disk ...
4
votes
1answer
215 views

Partially overwrote /dev/sda, can I recover anything?

I was messing around with my new hard drive, which only contains some personal files, and to check its write speed, I typed: sudo dd if=/dev/zero of=/dev/sda, /dev/sda/ being the new 2 TB connected to ...
1
vote
0answers
21 views

How can I unveal files on my external hard drive?

I copied a big folder (around 110 GB) from my (Mac 10.7.5) computer onto a hard drive (exFAT). It took quite some time and afterwards I even checked that the files were actually there. After more ...
0
votes
1answer
27 views

Recovering a (not yet created) RAID5 with URE (Unrecoverable read errors)

I wan't to create a RAID5 array at home, the OS is Linux (Kernel 3.15.7) and the array will be created with mdadm. I wan't to create the array with eigth or ten 1TB discs. Let's assume a single drive ...
0
votes
1answer
34 views

How to use a USB device instead of a hard drive

Recently I setup a webcam that uses ftp, which uploads the current frame every 0.33 seconds. This creates thousands of images on my hard drives. I have a daily cron job deleting anything past 10 days ...
1
vote
1answer
29 views

How to decrease the time the processes would wait (blocked) for disk reads (only to discover an error)?

Waiting too long when encountering an unreadable sector on a disk is really very annoying. (Especially if you are trying to read as much data as can be read from a disk with bad sectors, and do it ...
0
votes
1answer
37 views

Prevent linux from auto scan and mapping partitions on some disk [closed]

TL;DR Linux scan disk (for example /dev/sdc) and add files to address partitions on that disk (for example /dev/sdc1) - how can I tell Linux to not do that for some disk? Long story: I used VM ...
1
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1answer
27 views

How to detect exact spec of my disk on a cloud server?

I've already read a question about whether your disk is SSD or HDD. When I issued the below command I've got surprised: cat /sys/block/vda/queue/rotational The output was 1. The question is why ...
2
votes
1answer
85 views

Debian Wheezy live - gparted, dmsg, fdisk etc. do not detect local hard drive but it is shown during installation

Yesterday I finished backing up my data and it was time to wipe that HDD of mine for good and freshly install Debian Wheezy stable with Xfce as a WM. I've booted into a live session to see if things ...
1
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2answers
58 views

Secure the content of a hard disk

I have to prepare a computer to give away, and I do not know who is going to use it. The computer has Debian installed, and the HDD is entirely encrypted. All users have their storage on the server. I ...
0
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1answer
25 views

Could not commit to disk during OS Installation

I've tried several times to load Fedora 20 onto an Acer 5750z laptop, but during the installation I get an error message of "Could not commit to disk", switched the OS disk to Ubuntu 14.04 and ...
0
votes
1answer
26 views

Lags on file access, is my HDD going to break?

Yesterday, I noticed that there is a 5 second delay around those things which used to be instantly. However, it just occurs sometimes, usually only on the first time (maybe kernel cache). Opening a ...
0
votes
1answer
73 views

Hard disk drive spins up on laptop sleep/wake, can I stop it doing this?

I have in my Arch Linux-running laptop an SSD and an HDD; the latter I use seldom. It is mounted as /mnt/sdb5 and configured to spin down proactively when on battery (/etc/default/tlp, ...
0
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2answers
39 views

Is there any danger in changing the labels of my hard drives?

I've have both Ubuntu and Arch installed on my computer, and want to change the labels of the / and /home partitions (four in total), to make it clear which is which. Can this potentially break ...
0
votes
1answer
42 views

Hard drive making strange sound

It sounds like the HDD is put into a power saving/sleep mode, spun down, but immediately started up again, and then this repeated 3-4 times, very quickly. How could I find out what this exactly is, ...
2
votes
2answers
55 views

Backed up over wrong hard drive

I've just written over the wrong hard drive using the command: sudo sh -c 'pv /dev/sdb >/dev/sdc' How do I go about undoing this? I was creating the first even backup of the drive, and I backed ...
6
votes
1answer
524 views

In what sense does SATA “talk” SCSI? How much is shared between SCSI and ATA?

This is nothing new to me at least, that SATA actually "talks" SCSI, hence why these SATA devices show up as SCSI devices in Linux. A related question has been asked before, e.g. Why do my SATA ...
6
votes
2answers
137 views

Reduce bad block retry / wait times in Ubuntu

How can I reduce the IO wait time and retry times so that the OS doesn't continually try to write to a failing drive? I have an system that I use to make copies of demo content that gets loaned out ...
1
vote
3answers
135 views

Full DD copy from hdd to hdd

UPDATE: 2 This seems a lot better than before (Thanks to Groxxda for the suggestions): sudo dd if=/dev/sdb bs=128K | pv -s 3000G | sudo dd of=/dev/sdc bs=128K ETA is about 9 hours for 3TB, whereas ...
1
vote
1answer
62 views

unrecognized inateck hdd enclosure with linux Mint

I have put in a Hitachi 2.5 inch hdd inside a Inateck hdd enclosure. I have connected the enclosure to a Toshiba R630-156 using a usb2 cable on a usb3 enclosure port. I can hear and feel the hard ...
1
vote
1answer
236 views

LVM not coming up after reboot, couldn't find device with uuid

Had a VM that was, up until recently working without issue, but needed to be rebooted after some configuration changes. However after rebooting the VM didn't come back up, saying it couldn't find the ...
0
votes
0answers
34 views

Internal secondary hard disk suddenly failing to mount

In RHEL5, my internal secondary hard disk (1TB) suddenly fails to mount after some unexpected power failure and after my system got off. But it's showing in BIOS and while Booting checking as sdb ...
2
votes
3answers
109 views

Why is dd running forever on a 8 GB drive

I have a filesystem handled by ZFS and it's about 8 GB. I tried to zero out the filesystem by running: dd if=/dev/zero of=/EMPTY bs=1M | true rm -f /EMPTY And normally on an ext4 filesystem, it ...
2
votes
1answer
23 views

Track HDD access?

How can I track HDD access? Not in a monitoring sense of MB/s like iotop. My internal mass storage HDD gets permanently woken up and I want to find the evil process with an absolute list of accesses.
3
votes
1answer
70 views

Error creating ext4 file system

Recently I purchased a Cubietruck Cubieboard 3, and I'm trying to copy Lubuntu server from the builtin NAND memory to a hard disk. I can create a partition successfully, but when I go to format the ...
4
votes
0answers
87 views

Why does hdparm see two different values for the size of a drive?

I have a 1 TB drive attached via USB. It contains an LVM physical volume filling the entire device (without any partition table). When I tried to extend a logical volume by using the entire PV, the ...
1
vote
1answer
377 views

Problem with former RAID hard drive settings in Linux Mint 17

I'm new to Linux, just installed Linux Mint for the first time. I have two hard drives which were previously in a RAID configuration. Now before I have installed Linux I've changed them to individual ...
2
votes
1answer
62 views

I/O schedulers for normal harddisks

For me figuring out what is the best choice for I/O in kernel was a challenge. First I learned that it is subjective then it is depend upon the File-System you use. I know you should use No-op for ...
0
votes
0answers
90 views

USB HDD Enclosure works with Ubuntu, but not Raspbian

SOLVED: Even though the enclosure came with its own power supply, it required a powered USB hub, probably for some internal components that don't draw power from the main supply. I have this dual HDD ...
2
votes
0answers
64 views

Installing Arch Linux on empty eee pc's hard drive

I have a problem with the installation of Arch Linux on an Asus 1000HD eee pc. The fact is, it had a Windows XP home basic installation, and it was still very very slow with that. So I formatted the ...
3
votes
1answer
666 views

Is no caching mode page a serious error?

My server log displays the following error messages in RED: kernel: sda: sda1 sda2 kernel: sd 0:1:0:0: [sda] No Caching mode page found kernel: sd 0:1:0:0: [sda] Assuming drive cache: write through ...
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1answer
39 views

How turn external HD visible in Virtualbox Debian VM?

I want to clone my Virtualbox VM to a another/external HD in my computer. My VM is a Debian 7, and I want to use the dd command on an external HD. Is this possible? When I use # fdisk -l only ...
0
votes
1answer
150 views

Could not boot from an external hard drive [duplicate]

I burned a live session of Linux Mint 17 Cinnamon to a USB stick. Then I installed LM17C into an external hard drive by using this USB stick. I managed to do it and even successfully started on my ...
1
vote
3answers
392 views

1:1 copy with dd

I need to get a copy of an HDD that is a real 1:1, I mean not just the filesystem but also the geometry and the partition table and everything in between. if I'll just use dd if=/dev/sdb ...
3
votes
2answers
171 views

Mounting Disk Image in Raw format [duplicate]

While Trying to mount a disk image in Raw(dd) format using the following command mount nps-2010-emails.dd /media/manu/ I get the following error message mount: you must specify the filesystem ...