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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-3
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17 views

How can I full install multiple Linux distros on a USB hard drive? [on hold]

So, I bought a 4TB hard drive for Linux (don't judge man) and downloaded a bunch of live CD's. That worked okay, but not good. Then, I realized my big problem. Since I am somewhat new to Linux I ...
1
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0answers
10 views

Pci device file identifier?

As regards disk devices, Linux systems represent them through a /dev/ file. /dev/sda is a hard drive, and so on. Is there also a file representing a PCI device, for example a graphic card? If not, ...
0
votes
0answers
14 views

Grub (debian) will not start in AHCI mode

I was running my Debian (Acer laptop) for quite some time without much trouble. However, when I started it recently I've got message: No bootable device - insert boot disk and press any key It ...
1
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1answer
19 views

How can I tell when my file system was last fsck-ed at all?

I know of various ways in which to check when the last fsck occurred on a file system. e.g. $ sudo dumpe2fs -h /dev/sda1 | grep 'Mount count' -A3 dumpe2fs 1.42.12 (29-Aug-2014) Mount count: ...
1
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0answers
7 views

“BGRT Invalid Status Error 0 Expected 1” followed by permanent loading screen

After I shut down many programs at once using Alt+F4 in my Linux (Manjaro), my computer froze and I had to force shut it down. Upon rebooting, it gives me the error "BGRT Invalid Status Error 0 ...
0
votes
0answers
6 views

El Capitan 10.11.15 can't set disk with OS as startup disk, only boots if I reset nvram

Mac Pro (Mid 210) Since installing El Capitan on new HGST 6T drive I can ONLY boot this system by resetting NVRAM. If I try to restart I get apple, progress meter, then circle with line through it ...
0
votes
1answer
80 views

blk_update_request: I/O error, dev fd0, sector 0

I recently started noticing some blk_update_request: I/O error, dev fd0, sector 0 errors on my second computer running Arch Linux that I use as a server. This began when I had to reboot the computer ...
3
votes
1answer
30 views

Partition Errors and Remounts Read-Only when Accessing Specific File

I have a pretty basic system running Ubuntu 16.04 (this question is not specific to Ubuntu, but rather ext4 partitions), 1 HDD, running a few partitions: sda1 - EXT4 - 100G - / sda2 - EXT4 - ...
1
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0answers
84 views

What is stored in the first memory address' of the OS? Why can't I print the contents? [migrated]

So this is solely for my own curiosity, I wanted to go through every memory address from 0x000000 all the way to the last address of my hard drive. So I wrote this C snippet: #include <stdio.h> ...
4
votes
2answers
84 views

Get block device model name and manufacturer from pseudo-fs

[gala@arch ~]$ sudo !! sudo hdparm -i /dev/sda /dev/sda: Model=KINGSTON SHFS37A120G, FwRev=603ABBF0, SerialNo=50026B725B0A1515 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs ...
1
vote
2answers
36 views

Can't clone hard disk with dd no space left

I am trying to move elementary OS from primary HDD to external HDD. So, I can boot elementary OS from external HDD and install Windows 10 on primary HDD. Hewbot on super user stackexchange suggested ...
0
votes
1answer
23 views

Adding 2 HDDs as mirroning on existing OS (centos)

I have a NAS with 2 x 1TB HDDs and I added two new HDD-s: Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes ...
3
votes
1answer
80 views

How to prevent /sda /sdb changes between boots?

I am going to install Gentoo Linux onto an old hardware, which motherboard is having both IDE and SATA hard drives. I have two IDE and one SATA hard drives connected, and plan to do RAID on them. ...
7
votes
3answers
636 views

Real time cmd tool to show HDD space remaining

Is there a command line tool which shows in real time how much space remains on my external hard drive?
1
vote
0answers
145 views

GRUB and LILO both fail to install to NVMe hard disk when installing Debian

I'm trying to install 64-bit Debian stable on a Lenovo Thinkpad. When I get to the installation step that installs the bootloader, I get this message: An installation step failed. You can try ...
0
votes
1answer
31 views

extend Disk space

i want extend my disk space : #df -h Filesystem Size Used Avail Use% Mounted on udev 10M 0 10M 0% /dev tmpfs 403M 17M 387M 4% /run /dev/sda1 19G 18G ...
0
votes
1answer
18 views

Noise and message weird

I was copying data between two drive usb on ubuntu server 14.04 LTS. The given time the drive usb started making noise. It seemed was the arm on inside disk it was a little crazy! It seemed the arm ...
0
votes
0answers
31 views

Linux Mint installation showing entire Windows disk unallocated

I'm trying to install Linux Mint next to my install of Windows 10, but there's a problem. Mint is saying that the entire hard drive is unallocated "free space", though in the file explorer you can ...
1
vote
0answers
25 views

Determine affected file given logical block number [duplicate]

Given the logical block number from these log lines in /var/log/messages, is there a way to determine what file was affected? ...Buffer I/O error on device sdd1, logical block 203953715 ...lost page ...
3
votes
3answers
42 views

Is CentOS using synchronous or asynchronous write

Is CentOS using synchronous or asynchronous write? Is ther any way to check or to change this?
0
votes
0answers
14 views

Squid won't let spindown to happen

I have a Squid 2.7 installed on my old NAS and my problem is that squid is periodically (every few seconds) checking the swap.state file or anyhow touching the HDD making it to be turned on for 24/7, ...
0
votes
0answers
30 views

Improve CentOS performance while saving

When I save larger files at about 5 minutes of save time, Linux lags completely on my new computer. I can't change workspace or move my mouse. The files are about 50 Gb in size and are used for ...
0
votes
0answers
42 views

Why does hdparm and dd show two completely different results?

I have an external hard drive (/dev/sdc1) mounted at /mount1 When running hdparm -tT /dev/sdc1 I get: /dev/sdc1: Timing cached reads: 2246 MB in 2.00 seconds = 1123.75 MB/sec Timing buffered ...
0
votes
0answers
22 views

Monitor health of HDD/SSD without S.M.A.R.T

Some hard disk drives (HDDs) and solid state drives (SSDs) do not provide S.M.A.R.T. data. This seems to be especially true of cheap USB HDDs. My question is: on a typical GNU/Linux system, can the ...
0
votes
0answers
13 views

Hard disk partition table overwritten -TestDisk recovery

Okay so I'm not %100 if this should be posted here or super user. here's my problem: I've an Ubuntu user for quite some time but had decided to switch over to Mint. While installing I realized I had ...
3
votes
0answers
138 views

How do I (re)build/create/assemble an IMSM RAID-0 array from disk images instead of disk drives using mdadm?

The question: Using Linux and mdadm, how can I read/copy data as files from disk images made from hard disks used in an Intel Rapid Storage Technology RAID-0 array (formatted as NTFS, Windows 7 ...
0
votes
2answers
60 views

Move FreeBSD installation to smaller HDD [duplicate]

Good day! I have FreeBSD installation with next partitions: Now FreeBSD is installed in 500GB hard drive. I want to move it to 250GB hard drive. What is safest and correct way to do it? I'm afraid ...
2
votes
4answers
65 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
32 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
19 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
43 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
360 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
721 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
41 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
72 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
53 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
27 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
16 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
36 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
39 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
82 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
50 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
466 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
232 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
76 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
89 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
49 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
139 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 ...