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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0
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2answers
199 views

Safely using a hard drive dock

I just pick up an Ez-Dock HD dock 2535. It came with sparse instructions ( and as usual Windows centric ). Software wise ie mounting, syncing,unmounting is not a problem. Hardware wise though I am ...
2
votes
1answer
687 views

Hard disk spins down and up too frequently when on battery

I'm using Debian Wheezy No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 7.3 (wheezy) Release: 7.3 Codename: wheezy $ uname -a Linux debian 3.2.0-4-amd64 ...
2
votes
1answer
487 views

What is the most accurate way to measure disk read/write speed for an OpenVZ VPS host from within the host itself?

CentOS 6.x | OpenVZ I have an openvz VPS host and would like to measure disk read/write speed. Historically, on other physical systems, I've ran hdparm to collect this information. I haven't been ...
4
votes
2answers
8k views

How to check the life left in SSD or the medium's wear level?

We all know that SSDs have a limited predetermined life span. How do I check in Linux what the current health status of an SSD is? Most Google search results would ask you to look up S.M.A.R.T. ...
0
votes
2answers
164 views

Hard disk power management with image toggling in display

We have a system in which we almost toggle some display data in the screen 24 hours x 7 days a week. Since our application runs every day, we see some hard disk failures in the field. Unfortunately, ...
1
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1answer
34 views

Backup 'empty' parts of disk drive

I have a USB drive which has around 7MB of 'empty' space at its beginning. The first partition in MBR starts at 8225kB, according to Parted. How can I back up this space using something like dd? ...
2
votes
2answers
45 views

linux distro with generic hard drive naming

I manily use SUSE Linux, however it stores all device configuration and paths by ID (example: WD55844-Gh384) - which is a problem if I want to clone a disk then, replace it with a different disk. For ...
2
votes
2answers
225 views

Chromium with ~20 opened tabs freezes my laptop

As the title says, when I have about 20 opened tabs of Chromium I see the hard disk starts writing and everything start to freeze. I have to 'killall' Chromium. Previously I had installed ...
2
votes
1answer
310 views

Linux big disk partition issue

I have a big disk around 4.8 TB (RAID) and it has following partition (created by fdisk) [root@server1 ~]# fdisk -l /dev/sde WARNING: The size of this disk is 4.8 TB (4796404727808 bytes). DOS ...
1
vote
1answer
51 views

Bad blocks only with extension cord?

My external hard drive was acting strangely, so I ran badblocks, and it seemed that nearly every block was bad from the first minute I ran it. If I did badblocks -v > file, the file was over 100MB ...
0
votes
3answers
431 views

Software RAID 1 with dissimilar size and performance drives

Background I was experimenting with a home server setup in a small box I had that was supposed to be a media centre but never found much use. I installed CentOS 6.5 in a software RAID1 configuration ...
3
votes
3answers
990 views

enable SMART for HP hard disk

I would like to use SMART to perform a health check of my hard disk. I have an HP server of 4 years ago I believe. Everytime I try to use the following command smartctl -a /dev/sda I got an error ...
1
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0answers
61 views

Sound stutters during moderate disk access?

I'm running Xubuntu 13.10 "Saucy Salamander." It's a pretty recent install. I'm playing music over a bluetooth usb dongle on a home theater system. All of my sound goes through pulseaudio. I've ...
7
votes
2answers
3k views

Does a bad sector indicate a failing disk?

My Ubuntu 13.10 system has been performing very poorly over the last day or so. Looking at the kernel logs, it appears that the <1yr old 3TB SATA disk is having issues with a particular sector: ...
1
vote
1answer
132 views

Filesystem not showing correct size in Mac OSX

I installed a new HDD and transferred my old data to it by using dd on my old HDD and then dd again to the new HDD. However, when booting from the new HDD, it does not recognize the new, larger disk ...
1
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2answers
335 views

Hard disk drive disappeared

Yesterday I performed a hard-reset while Linux was booting. This led to a hard issue with the HDD (UNC while recovering journal). I had to use ddrescue instead of dd because dd crashed on I/O error. ...
-2
votes
2answers
407 views

How can I fill the free space with zeroes in Ubuntu 12.04 (ext4)?

I use windows server 2008r2 with role Hyper-V. The guest system is Ubuntu 12.04 LTC. It is situated on the dynamic virtual hard disk (2TB). The size of this vhd is 360 GB. But the real size is about ...
1
vote
0answers
205 views

Make a USB drive bootable for Windows 7 setup

What is the equivalent of bootsect command available in Windows, on a *nix system? Usage: In order to make a USB drive bootable for Windows 7 setup I have to boot-up VMWare and run bootsect.exe ...
0
votes
2answers
94 views

Varing speed when reading sequentially from a HDD

I have just got a new HDD and I wanted to test the sequential read speed (the whole disk). I used: pv /dev/sda > /dev/null The disk is 500GB WD VelociRaptor (WD5000HHTZ). At the beginning the ...
2
votes
2answers
176 views

Are disks interchangeable in a mirrored RAID setup?

It is often written that disks in a mirrored RAID (like RAID 1) are an exact mirror copy one of another. So can I turn the machine off and simply swap the two harddisks cables? And if one of the two ...
1
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0answers
926 views

badblocks and “end_request: I/O error” in output

I have 500GB disk in my toshiba laptop, I tried to do backup of files in this HDD but it failed few times (ubuntu just closed copying operation or unmounted disk during copying files). So I boot my ...
2
votes
2answers
80 views

How to copy a very large video file with error in it?

I have a very large video file on a USB external HDD. It is about 13GB. I can play the video directly, and it seems there's no problem. But if I try to copy the file to other places, I got a strange ...
3
votes
1answer
3k views

recovery data from RAID and disk failure (Linux)

Some background A friend of mine was using in his office a NAS Buffalo-LS-WVL with two disks of 1TB each. It seems that the two disks were mounted as raid 1, but, as you will read, probably they have ...
0
votes
1answer
265 views

Renaming a Hard Drive

I have a secondary internal HDD to store auxiliary data. I want to give it a better name. How do I do it?
1
vote
1answer
132 views

How can I unlock a self encrypting disk using an sata usb adapter

Suppose I plug in a self encrypting disk (for example the samung 840 pro) via a sata usb adapter to a linux-box. Suppose I know the password. How can I access the hard-drive in this case?
11
votes
7answers
885 views

Can I label a disk device rather than a partition?

I know about the e2label and friends program for attaching a label to a disk partition e.g. e2label /dev/sda1 bla What I want to do is something different: I want to create a label for a hard ...
0
votes
1answer
565 views

How do I install Debian onto the same physical hard disk that the installer files are on?

I need to somehow copy the installer to hard drive (local disk), so that I can plug this prepared hard drive to another computer, boot the installer from hdd and install it (on same hdd). Example: ...
1
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0answers
345 views

How to change the hard drive serial number in Ubuntu? [closed]

Xilinx license file is produced by hard drive serial number. Now, I got it. But, it is produced by other PC which is windows 7. Hence, I need to change the hard drive serial number. As I know, I can ...
0
votes
1answer
1k views

Server down and require manual fsck. I saw this error in dmesg

I saw this in dmesg. What does it mean? EXT4-fs error (device sdb1): htree_dirblock_to_tree: bad entry in directory #763 3575: rec_len is smaller than minimal - ...
4
votes
2answers
370 views

List all the ways a block device is in use

I want to be sure that a removable hard drive (USB, but this shouldn't matter) is safe to remove. Let's say this drive is sdb. Obviously I need to make sure that there is no mounted filesystem on ...
1
vote
2answers
2k views

Disk problems prevent me from booting, or set the disk to read-only. How do I fix the disk?

Problem: Since about one week ago, my Ubuntu system encounters various severe and strange problems. Sometimes the whole system suddenly freezes. I have to push the power button to shut down the ...
2
votes
0answers
83 views

Resize /home on CentOS vmware guest

I have a new vmware guest, let's say I want to extend it from 100 GB to 300 GB My question is how to insert all the 200gb into /home? Where can I start? df -h displays:
2
votes
1answer
404 views

input/output error that come back just fine. How to make sure it doesn't happen again? [duplicate]

root@host [/backup/2013-08-15/accounts]# cd /home1 root@host [/home1]# ls /bin/ls: reading directory .: Input/output error root@host [/home1]# Suddenly /home1 doesn't work. It used to work just ...
13
votes
3answers
6k views

Differences between volume, partition and drive

What do these terms mean exactly? partition volume drive On Windows, one may say drive C: or partition C:. On Linux I'm not sure what should be used for partitions because they don't have a name.
0
votes
3answers
568 views

Align Partition Of HDD Using fdisk?

I first asked this question on SuperUser.com but got no responses. I have found how to align the partition of my SSD using fdisk (SSD article on Gentoo Wiki) but haven't been able to find any ...
2
votes
0answers
325 views

System cannot boot, continiously scanning btrfs filesystem

On the previous boot I installed HAL to make amazon prime video streaming work, which it did (mostly), but after reboot the system could not pull itself up all the way to BASH and drops to a failed ...
2
votes
2answers
4k views

How to check drive temperature on Linux?

I have used of hdparm -n and smartctl -A but it always seem to be a "per drive" technique as a drive may answer for only one of these tools. So, is there a standard way to get the drive temperature ...
2
votes
0answers
866 views

find ount what [flush-8:0] is writing

Using iotop, I found out that [flush-8:0] is doing a lot of hard disk activity, which explains the annoying slowdowns. However, I can't figure out what's the actual cause behind this flushing. No ...
3
votes
2answers
851 views

Does the order of partitions matter much?

I've just ran a test install of Arch on a separate computer, and now I'm ready to do the real thing on my main one. However, since the guide didn't explicitly recommend it, I did not install with a ...
3
votes
2answers
2k views

Copying Linux NFS files to a standard consumer external hard drive

I am a graduate student and a relative Linux novice. My institution has an in-house Linux cluster on which I run many scientific simulations. I have a Windows desktop computer from which I access ...
3
votes
2answers
269 views

Mount harddrive under different name?

When I plug a external HDD into my Rasberry Pi (running Raspbian) it automatically mounts as /media/2ad496774-3eb8-47bb-2bf5e-788f8eb89e54 where folder underneath it are then accessible by going ...
5
votes
2answers
94 views

How to set up interchangeable VM guest/hosts

I'm looking for a way to set up a computer so that the disk is partitioned for multi-booting to two operating systems: Linux and Windows. Whichever one is booted, I want the other to be accessible as ...
1
vote
2answers
192 views

Raid5 Device Has Less Space Than Expected

I have 3 3TB drives, and have raid5ed them together. I would expect to get a resulting device around 6TB. The command I used: mdadm --create md0 --level=5 --raid-devices=3 /dev/sda1 /dev/sdb1 ...
2
votes
2answers
449 views

Can I recover from a system disk error on Ubuntu Linux?

I got a strange looking warning message in Windows Vista about a potential hard disk failure. I say strange because I have never in my life seen that type of warning in Windows. It suggested that I ...
1
vote
1answer
74 views

Need list of HDD devices excluding my os HDD

I want list out whole HDD device excluding my os running device attached to my system. I did lot's of googling and fired many more commands in command line of linux. but can't gating proper output. ...
3
votes
1answer
142 views

Why my SSDs are in /dev/hdx instead of /dev/sdx on CentOS 5.9?

I have two SSDs Kingston SH103S3240G plugged on SATA ports of my Intel Server Board S3000AH. The SSDs apear like a PATA device (hdx instead of sdx) on my CentOS 5.9. I'm having problems related to ...
1
vote
2answers
5k views

How to increase the size of / with unallocated hdd space

So, I had run out of space on / (which was initially 9.3 GB). So I had some un-allocated space on my hdd (/dev/sda) that I wanted to assign to the / partition, which is also: /dev/sda1. For reference ...
2
votes
2answers
74 views

How to configure hard drive

I have a hard drive that is not configured, it shows this in fdisk -l: Disk /dev/dm-2: 107.4 GB, 107369988096 bytes 255 heads, 63 sectors/track, 13053 cylinders Units = cylinders of 16065 * 512 = ...
44
votes
2answers
4k views

What NOT to put on an SSD?

I bought an SSD and I am going to set up my desktop system with a completely fresh Linux installation. SSDs are known to be fast, but they have a disadvantage: The number of writes (per block?) is ...
4
votes
4answers
3k views

How can I run an hdparm command after boot and resume on Fedora 19?

I bought a new HD(WD5000BPVT) which unfortunately tries to sleep every 5-8 seconds. Not only is the clicking noise quite audible, the 1-second spinup time adds very noticeable latency in day-to-day ...