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
33 views

CentOS 7 Full Partition Size Not Available [on hold]

I am running CentOS 7 on a HyperV virtual server. I recently increased the size of the hard disk from 32GB to 64GB and used GParted Live to extend the partition, which seems to have worked as shown ...
0
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0answers
16 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
431 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 ...
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2answers
34 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
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1answer
52 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
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1answer
31 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 ...
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2answers
33 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
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1answer
40 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 ...
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0answers
15 views

how to recover the linux OS if boot disk fails

I have only one hard disk installed on a Linux server sda sda1 - root partition sda2 - home,swap etc What to do if sda fails?
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29 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 ...
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0answers
14 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 ...
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0answers
22 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
103 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 ...
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0answers
10 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
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0answers
31 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
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0answers
14 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 ...
1
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1answer
19 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
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1answer
38 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
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1answer
40 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
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1answer
39 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
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0answers
11 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 ...
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1answer
22 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
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1answer
94 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 ...
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2answers
65 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?
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1answer
38 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?
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1answer
60 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
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1answer
42 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 ...
1
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1answer
16 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, ...
2
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1answer
24 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 ...
2
votes
1answer
76 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 ...
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0answers
22 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
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0answers
31 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. ...
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0answers
22 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?
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0answers
13 views

Is the configuration of this drive partititions acceptable?

I had a problem with my partition as presented in this question. By chance, I solved it as seen here. My present configuration is now this: cip@cip-HP:~ > sudo parted /dev/sda unit s print ...
3
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3answers
96 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 ...
1
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0answers
53 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 ...
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2answers
80 views

What kind of data is stored in the ext4 file system's journal?

The ext4 file system has a feature called has_journal. In the dumpe2fs output, we can see something like this: # dumpe2fs /dev/sda2 | grep -i journal Journal inode: 8 Journal backup: ...
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3answers
38 views

Linux Mint 17.2 suddenly loses write access to filesystem

It may be a hardware problem since I'm using new computer but I'll ask anyway. So it happens sometimes - system becomes unable to write anything on hdd, applications start to crash, I forced to ...
1
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0answers
14 views

Partition managing

I installed Kali on my 250gb hdd at installation it asked if I want to create other partitions too bad I didn't thought I will need them and now I have 1 250gb boot partition. Is it possible and with ...
1
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1answer
27 views

Expanding Linux Partition

I am running ubuntu 14 on my laptop, the laptop is normally windows 8 but it is dual booted with ubuntu. My ubuntu partition is 50gb and I know that I have 500gb free space which is wasted on my ...
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0answers
22 views

Why is `smartctl -l xerror` LBA well beyond end of disk?

I ran smartctl -l xerror on a Seagate ST31000528AS (1TB disk with 512-byte sectors), and it gave me (in part): Error 597 [16] occurred at disk power-on lifetime: 11903 hours (495 days + 23 hours) ...
1
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3answers
52 views

Overwrite Linux while in use

Long story short, I would like to plug an USB pendrive to my Debian system (which is installed on the NAND memory on an ARM board) and overwrite the NAND with the image that's on the USB pendrive ...
0
votes
0answers
17 views

Poor hard disk read perfomance, but not with O_DIRECT

Since a few days my vps, which supposedly mounts a SSD disk, has been showing a very poor disk read performance. For example, with hdparm -t I get numbers around 20MB/s, while hdparm -t --direct shows ...
0
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0answers
18 views

Unable to mount 320GB volume (external RocketFish) via auto-usb

Cannot access my external hard drive--many files! (20GB remains). This is the message I get when plugging in the USB: Error mounting /dev/sdb at /media/reb/208CC64B8CC61AE4: Command-line `mount -t ...
0
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1answer
30 views

How to install new system drive while keeping old one available

I have an existing linux box, running Mint 15, using a single hard drive. I'd like to install a new drive (an SSD FWIW), on which I would install up-to-date Mint. I would like the old drive to ...
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0answers
54 views

Installing Debian 8 (Jessie) from HDD Partition

I tried to install Debian 8 (Jessie) with the official DVD 1 from my Card Reader (SDHC UHS-I Card 32GB). Now that does not work, because I am unable to mount it (no signal at all). Now I want to know ...
0
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0answers
21 views

SATA hdd to USB not showing up on computer/s

Hitachi deskstar hdd 250gb. Was once used as internal hdd to store my data. Formatted to either ext2 (or 3) as I used it on computer with puppy Linux. The circuit board blew a couple of months ago. I ...
2
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1answer
111 views

How to fix BTRFS superblock error after resize/shrink (BTRFS: couldn't get super buffer head for bytenr 274877906944)

BTRFS RAID1 array with 2 500 GB hdds, no errors. This is the root filesystem, so there are 3 partitions on each drive: 1 = /boot (ext4), 2 = / (btrfs), 3 (swap) /boot is ext4 because upgrading the ...
0
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1answer
49 views

hdparm -m16 (Multi Sector) how do you use this option?

Use of -m is VERY DANGEROUS. Only the old IDE drivers work correctly with -m with kernels up to at least 2.6.29. libata drives may fail and get hung if you set this flag. Please supply the ...
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1answer
83 views

Tuning Linux I/O Scheduler

I need a little help with properly tuning the Linux I/O Scheduler for spinning drives. I have a process that writes data to a huge (4-16TB) memory mapped file and is using SHED_FIFO. The kernel then ...