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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41 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 ...
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1answer
101 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
318 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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43 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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2answers
120 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?
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1answer
58 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 ...
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1answer
21 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, ...
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1answer
34 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 ...
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1answer
149 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
42 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 ...
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0answers
49 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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45 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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3answers
142 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 ...
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0answers
112 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
149 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
69 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 ...
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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 ...
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1answer
31 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
30 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) ...
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3answers
66 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 ...
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0answers
25 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 ...
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27 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 ...
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1answer
40 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
106 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 ...
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23 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 ...
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1answer
252 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 ...
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1answer
86 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
136 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 ...
2
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1answer
87 views

Meaning of “mkfs.ext3 -cc” error report

I'm trying to format a supposedly defective hard disk using "mkfs.ext3 -cc /dev/sda1" on a partition that spans over the entire disk. I wish to understand the meaning of the ongoing error report in ...
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0answers
9 views

Can I connect/disconnect unmounted disks from my SAS card?

I'm using a Dell H200 in IT mode (RAID disabled). Is it safe to add/remove unmounted disks to this device without powering down the system?
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47 views

Is the mounting point of a file system not a hard link?

Correct me if I am wrong: A hard link can't link to a file on a different filesystem, because the hard link's entry in the hardlink's parent directory can't point to an inode in a different filesystem ...
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1answer
2k views

Arch Linux cfdisk asking for disk label type

I am trying to partition my hard drive I just wiped with dban so that I can install arch linux but when i run cfdisk /dev/sda It says: Select table type gpt dos sgi sun I don't know which to ...
2
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1answer
688 views

how to check the filesystem type of a logical volume

How to check the filesystem type of a logical volume using lvm or any other utility.. For example, if my logical volume is /dev/vg1/lv1 then how to check its filesystem type ? I have made a ext4 ...
2
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1answer
67 views

how to create a partition in free space using GNU Parted

Below is my hard disk shown in gnu parted: (parted) print free Model: ATA HGST HTS541075A9 (scsi) Disk /dev/sda: 750GB Sector size ...
2
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2answers
98 views

HDD cloning and non-matching checksums

I've been trying to clone a 1Tb HDD to a 1Tb SSD following the instructions here. I tried cloning it several times with both dd (painfully slow) and cat (far quicker) but when I came to do checksums ...
2
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1answer
51 views

Comparing 2 partitions on identical disks

I have 2 physically identical disks. Each with 1 partition: | Disk | FS | Size | Comment | |----------+------+----------+----------------------------------| | ...
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0answers
158 views

Unable to mount secondary HDD on CentOS 6.7 (Must specify file system?)

I have a secondary HDD that worked fine in Ubuntu 13.04. I had mounted in to /media/user/<some UUID>/. I could read and write files without problem. My Ubuntu installation was on a primary SSD. ...
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1answer
366 views

External HDD not mounted at boot, but fstab seems ok

I'm on a Raspberry with DietPI distro and I cannot mount a NTFS hard drive at boot. This is the fstab file: #Internal Drives--------------------------------------------------- proc /proc ...
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0answers
23 views

Restoring VG configuration from recovered drive

Had to reinstall CentOS on a server with three RAID 1 arrays. I installed the OS on sda (300g), and left sdb and sdc alone (they were not formatted or otherwise fiddled with). The OS is up but ...
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1answer
45 views

Hardware specs for Linux machine for cluster administration [closed]

I have just started as cluster system administrator and was asked to choose some features to get bought a personal machine to work on, and most intensive calculations will be perform in the cluster. I ...
0
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2answers
239 views

Can I install the /home and swap partitions to a different drive than /?

I am in the process of dual-booting my Windows 10 PC to also run Linux Mint. I have both a 240 GB SSD and a 1TB HDD. The SSD is for the Windows 10 OS, and the HDD is for my files/documents/everything ...
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2answers
2k views

How does Linux know which USB hard drive is which?

Currently I have Linux Mint installed on my PC with a USB hard drive partition mounted as /home. This is working well. If I install a second USB hard drive, is there any chance Linux will get ...
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1answer
44 views

gpart finds partitions but puts zeroes on all their specs

So this isn't my hard drive I'm working on so I'm not too sure how it got into this state. My friend had Windows XP on it and wasn't using it much then suddenly it wouldn't boot anymore. He just wants ...
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0answers
55 views

sysv and unknown partition table?

We have disk about 1985, It has a Unix.But we didn't know type of Unix.I did the following step : dd if=/dev/sdc of./all_of_disk.iso #sdc is the given disk Then : hexdump -C all_of_disk.iso > ...
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5answers
1k views

How to ignore write errors while zeroing a disk?

Say you want to zero-out a failing hard disk. You want to overwrite as much as possible with zeros. What you don't want is: the process aborts on the first write-error. How to do that? AFAICS, plain ...
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1answer
49 views

Is it possible to resume fsck.ext4 using offset X?

I was fscking my HDD, when I had to stop because I needed to get somewhere within an hour. The whole session took quite a while (lasted much longer than I thought!). My question is, is it possible to ...
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1answer
17 views

How to move linux from thumb drive to internal drive? [closed]

I have latest version of Linux Mint Cinnamon (persistent data) in 16 GB thumb drive and I want to move it to internal hard drive which is 128 GB. How do I do that and do I lose 112 GB or can it make ...
3
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2answers
167 views

Mount hard drives in the same order in debian

How can I mount the hard drives always on the same /dev/sd? node? For example, how can I make the hard drive with the UUID xyz to be mounted always on the node dev/sda? The reason why I want to do ...
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0answers
44 views

Easy mount hdd from remote computer

I've got a computer with an SSD with Linux Mint installed and a bunch of HDD's. When in the file-browser I click one of the HHD's they get mounted in /media, which is fine for me. However I need to ...
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240 views

BTRFS RAID6 array is broken, how do I fix it?

I have a server running a btrfs raid 6 array which seems to have broken. When try to mount it I get the following error message. I don't know how or why it broke maybe a power outage or something (it ...