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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4answers
105 views

Recovering data from broken (NTFS) partition

I'm trying to recover data from a Windows (NTFS) disk that became unreadable for some reason. I'm doing this from within a Linux Mint environment. I can see the partitions normally, and I also see ...
2
votes
1answer
41 views

How to map Linux hard drive identifiers like “sd 3:0:0:0:” to ones like “ata8:”? [duplicate]

In my kernel log, I can see entries like: [ 0.765510] sd 3:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) and when something fails, it's usually something like: [ ...
0
votes
0answers
20 views

no bootable partition, trying to solve with testdisk

I had Ubuntu 14.04 and a partition with data. Then I decided to try Linux Mint, I booted it from USB, I was going to install it but then I changed my mind. Linux Mint started to prepare my hard disk ...
0
votes
1answer
48 views

FSTAB trouble - unable to load linux system after unplugging additional hdd

I have two hard drives on my computer. On one of them I have installed linux (elementaryOS) and on the second one I store some of my data. I have made fstab entry to auto-mount this drive and ...
3
votes
1answer
383 views

Does Linux typically log system temperature data?

Do mainstream Linux distributions typically log system temperature data, e.g. CPU or HDD temperature? If so, where can those logs be found?
13
votes
4answers
793 views

Monitor hard disk activity

In a Ubuntu 14.04 server I am experiencing a massive hard disk activity which has no apparent justification: it comes as a burst, it lasts a few minutes and then disappears. It consumes system ...
0
votes
1answer
21 views

RAID5-4 devices with 2 failed devices: hope to retrieve data?

I built a RAID5 array with 4 2Tb devices a few month ago. - I used LVM2 to build partitions. - I also used GRUB2. - Finally I installed Debian. For an unknown reason the RAID failed. The BIOS "see" ...
-2
votes
1answer
44 views

I'm new to Linux and I use Elementary, so I need a little clarification about the local disk on Linux [duplicate]

I was using Windows 7 and in My Computer I had 2 local disks C: and D:. On Elementary I only see a File System (if i'm not mistaken). Has Linux combined these 2 into one called File System?
1
vote
1answer
111 views

Desktop completely freezing on I/O operations

In my old system, I was already having desktop freezes on some heavy I/O operations like apt-get dist-upgrade and copying 4 GB video files. But now, it has become a lot worse: any apt-get install is ...
0
votes
1answer
27 views

Low level access to a disk in failure

I have a SATA 2Tb HDD device probably damaged: smart doesn't work, etc. The partitions were built with LVM2. Is it possible, with a low level tool, to retrieve one logical volume (in my case /var) and ...
2
votes
0answers
80 views

Cancelled hung GParted operation; didn't 'Force Cancel'; How do I get out without losing data?

In GParted, I was moving a partition over 200mb to the left. However, when it got to 76.13gb of about 330gb done, it stopped (it was stuck at 76.13gb all night). So, I hit cancel (without properly ...
0
votes
1answer
30 views

Expanding a hard drive partition to fill the drive without wiping the partition?

I have a hard drive that came out of an old Windows PC, which I'm using as a second hard drive. Because it was already formatted as ntfs, I didn't want to reformat it and lose all the data on it, so I ...
2
votes
0answers
17 views

confused about dd write speed and VFS page cache

After reading some articles on the Linux VFS page cache and the tunable parameters like dirty_ratio i was under the impression that page cache would operate as both read and write caching layer. But ...
1
vote
0answers
50 views

OpalCryptoErase.exe for linux

I have a tool name OpalCryptoErase.exe which lets me reset the encryption keys on my opal ssd disk. Of course I lose my data along the way but I don’t care I just want to reset the disk to the initial ...
1
vote
0answers
58 views

IOSTAT report doesn't match with DD benchmark

I am running a DD benchmark but the obtained results are not matching with the IOSTAT values. This is the DD sample: $ sudo dd bs=4096 count=690 if=/dev/zero of=/mnt/tmp/test oflag=dsync 690+0 ...
1
vote
1answer
173 views

how to create another physical volume/partition with existing unused lvm space without data loss?

I have a 1T USB disk with Fedora 20 installed. It shows as sdd in the first image below. I only used about 50GB. There are 3 logic volumes under the sdd2 and also there are about 620GB of free space ...
0
votes
0answers
11 views

How to make Live CD store data in hard drive?

How can I configure a Live CD operating system (Specifically Lubuntu) to use the hard drive as its main storage, not storage simulated in the RAM?
0
votes
0answers
60 views

Why would Fedora installation crash when using an Nvidia card with SSD, but not in other configurations?

I want to share you a mindblowing problem and want to listen to your ideas. I have a computer (i5, 4GB RAM, etc) Had a Gigabyte NVidia 210 graphics card in it along with a 500GB HDD. Was about to ...
5
votes
2answers
493 views

How large is the img that dd creates?

This is the first time I use the dd command. I execute: dd if=/dev/sdb2 of=/mnt/sdc1/Hdd1.img bs=512 conv=noerror,sync Where the sdb is the destroyed hdd (size: 500 GB). I copying the partition ...
1
vote
2answers
236 views

DF output inconsistency

I moved about 12G files from Linux / partition (to a NFS directory), however it seems that the available size hasn't increased. Here is df result: Filesystem 1K-blocks Used ...
-3
votes
1answer
89 views

How can I create an LVM volume group spanning 2 hard drives? [closed]

I have rented a dedicated server with two 500gb hardisks running Centos 6. On this server there are 4 partitions: 1.boot 2.root 50gb 3.swap 50gb4. 4.empty 400gb Now I want to create a logical ...
0
votes
1answer
122 views

Repair Bad Ubuntu Installation With Grub Rescue & No Changes to BIOS

I have a old Dell PP01X laptop (it has a floppy disk reader & an external wifi card) which I tried to install Ubuntu on. To do this, I partitioned the drive into 3 parts (windows, linux, and swap ...
1
vote
2answers
62 views

HDD with windows OS not connecting to linux via usb to sata adapter

I have an internal hdd from a windows computer. The computer suddenly started giving the message "No bootable device" during startup. So I would like to recover some of the data from the drive. To do ...
0
votes
3answers
242 views

DDRescue taking months but no errors?

'm having a hard time finding others with the same error, and I'm trying to figure out the best path forward. I have a hard drive that was unusably slow, and then stopped booting. The clonezilla ...
0
votes
1answer
41 views

Can't boot into my Linux partition--disk is supposedly at fault, but scans show no errors

I'm trying to boot into my Linux partition, but receive this message: Welcome to emergency mode! After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl ...
1
vote
0answers
21 views

Copying “live usb” install from USB stick to portable Hard Drive

I have a bootable install of Linux Mint on a usb stick (ie a "live usb" install). It has a writable partition so that i can have persistence between one session and the next. I've copied off the sdb1 ...
1
vote
0answers
24 views

Is it feasible to fill a ntfs partition/device pre install with zeroess?

In my question about copying with dd one of the commentors pointed out the method of filling the unused space with 0s. Is there a way for a dd of a 80 GB hard drive to be minimal in size? Now after ...
2
votes
1answer
364 views

Unable to run the pvcreate command

I am running Linux Ubuntu via VMWare. Currently it has been allocated a space of just 20 GB. I increased the same by 1 GB, on a trial basis. The new partition is named sda3 (screen shot of sudo parted ...
0
votes
0answers
11 views

Dual Boot; Ignore HDD

I created a dual boot with Linux and Windows. My system has 4 HDDs of which I use two under Linux and two under Windows. Now Linux always shows me the icons for the two HDDs which I use only under ...
0
votes
0answers
50 views

SSD + HDD performance from power on

I'm planing to buy a new laptop with a 128GB SSD and a 1TB HDD. And I would like to have reliability, performance and storage space from power up and during the whole runing time. During the running ...
1
vote
0answers
15 views

Outsource mount of HDD

Not sure if this is sane, but. I'm having some issues with a HDD. It is a storage disk - so no system files are located there. The problem is related to read/write errors as these causes kernel panic....
1
vote
1answer
52 views

I/O Failure when overwriting entire disk

I'm trying to write random data over a partition on my local hard disk. I'm booted into a recovery live CD (Clonezilla) and have tried the following: $ dd if=/dev/urandom bs=1024 count=4 | base64 | \ ...
1
vote
1answer
65 views

Read ahead setting on Solaris

How to get the current read ahead setting on Solaris? On Linux it can be retrieved like this: # echo $(($(blockdev --getra /dev/sda)*512/1024)) (Assuming that blockdev always returns the read-head ...
0
votes
1answer
76 views

Hard drive spins down & back up again every 10 seconds; no access shown in `fatrace`

I'm running Fedora 23 on a low-power hard drive[*]. I can hear the hard drive clicking or spinning down & then back up, approximately every 10 seconds. (And the activity LED flashing). If I log ...
0
votes
1answer
224 views

Resize2fs doesn't extend my file system to the size of the partition

I have a 1 TB hdd but when I run df -h my root partition is only 888G big.Parted -l shows the following 3 32.2GB 1000GB 968GB primary raid mdstat shows this md2 : active ...
0
votes
0answers
36 views

DCO/HPA issue causing ATA_HDD to report Read_Only (looping)

Unused 320gb Seagate Momentus sataHDD originally from (now unsupported) iomega encrypt caddy. edit: there is no encyrption on the drive, although files remaining in hpa relate to encyrption the drive ...
1
vote
1answer
86 views

Keep getting error while trying to mount external HDD with LVM2 format, using Knoppix from live USB, please help

I am computer savvy, but fairly new to Linux, so forgive me if not technical enough. I have a 3TB external HDD, a Seagate, and it used to be a NAS, but the Ethernet portion failed, so I have plugged ...
1
vote
1answer
105 views

Does hpdarm -Y suffice to stop IO on my hard drive?

I'm using Ubuntu 14.04 with two hard drives in my laptop. The first contains my root partition and my home partition. The second one is used for backups only. I know that hard drives break down after ...
0
votes
2answers
1k views

How can I use fdisk to create a ntfs partition on /dev/sdx?

I would like to know how to create a ntfs partition on /dev/sdx. I could not figure out if I should use partition type 7 86 or 87. What is the full list of commands to use?
1
vote
1answer
61 views

How can the read/write speed of a partition or drive be measured? [duplicate]

How can I preferable from the terminal measure the read and write speeds of /dev/sdx?
2
votes
2answers
191 views

Check how long a HDD has been used in LINUX

Under Linux, is it possible to check how much hours a HDD has been used? and how much hours are left for that HDD? So yes, how?
0
votes
1answer
74 views

Cant mount disks

I have a windows 8 ,ubuntu dual boot system. when i open kali . i cant see any of the hard disk partitions . i receive the following error message . Error mounting /dev/sda1 at /media/root/...
1
vote
1answer
28 views

What text will smartctl output when the drive is not healthy

I run this command to check drive health: smartctl -H /dev/sda Output: smartctl 5.43 2012-06-30 r3573 [i686-linux-4.2.0-rc3+] (local build) Copyright (C) 2002-12 by Bruce Allen, http://...
2
votes
1answer
49 views

What could be causing my hard drive to spin down?

Recently I noticed that I could hear my hard drive spinning down very frequently, like once every 10-20 seconds. At that time spin down was set to 30 minutes using the following udev rule: hdparm -B ...
1
vote
1answer
249 views

Why is OS constantly writing to disk (ext4) on a Ubuntu 14.04 machine? Is it normal?

I'm quite sure it didn't happen before I started using LUKS and LVM on my disk (2 or 3 weeks ago), but now root user is constantly (every 2-3 seconds) writing (not reading, just writing) on disk and I ...
1
vote
0answers
56 views

BTRFS reports errors, but the drives don't. Do I have failed drives?

I have been using btrfs for over a year, and noticed reports of lots of errors in the logs but no problems. A recent scrub found HUGE numbers of csum errors, by huge I mean 85 MILLION, however scrub ...
3
votes
0answers
77 views

How to check if a drive supports hotswap?

Not all SATA drives support hot-swap. Especially older models do not seem to work correctly and require the system to be rebooted, despite the fact that the controller works well with newer drives. ...
0
votes
0answers
61 views

How can I check if a KVM VPS is SSD?

I have come across a few guides but none of them work within a KVM environment. lshw , /sys/block/sda/queue/rotational and smartctl How am I able to find if my KVM VPS is SSD?
3
votes
3answers
205 views

How can I read a linux hard disk from Windows?

I have a PC with Ubuntu (I think it's 14.4). Pretty recently it completely broke down (motherboard (again)). I want to get rid of it, but on the hard disk there are a lot of photos I want to keep. I ...
2
votes
0answers
175 views

Which sector size shall I choose to run ddrescue with direct access on an Advanced Format drive?

I started the imaging of an AF/512e HDD by first running a following command: ddrescue -n /dev/sdb2 drive_c.img mapfile.log Upon its completion I made a backup of mapfile.log and decided to run ...