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Questions tagged [external-hdd]

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61 votes
5 answers
86k views

smartctl on external hdd inside ide-to-usb enclosure

I have a very old 2.5" IDE drive inside a USB enclosure that gives some buffer I/O error. I tried to use smartctl to see what SMART says about it, but I can't manage to make it work. Being root, if I ...
Avio's user avatar
  • 919
30 votes
3 answers
56k views

Connection problem with USB3 external storage on Linux (UAS driver problem)

On Ubuntu 15.10, when I want to format using the NTFS file system an external 4TO disk connected by USB3 (on a StarTech USB/eSATA hard disk dock), I have a lot of I/O errors, and the format fails. I ...
reyman64's user avatar
  • 163
25 votes
1 answer
7k views

How to power on an external hard-drive after powering it off?

When I "safely remove" an external hard-drive from my file-manager (Thunar), the whole hard-drive is powered off and disappears from /dev. Therefore, I guess that under the hood, this is done by ...
Binabik's user avatar
  • 363
24 votes
3 answers
50k views

How do you mount a USB hardrive that shows in lsusb but not fdisk or lsblk?

I'm running Mint/Mate 17.3 and normally external drives "just work" when you plug them in. I have one particular older drive that has been sitting on my shelf for about 10 years (an "EZ Quest" from ...
Nick's user avatar
  • 1,141
23 votes
4 answers
19k views

Why is rm slow on an external storage drive (USB-connected, type fuseblk) with 50Gb of files?

I have been trying to use rsnapshot for making backups, but I'm finding it unusable. While it is able to diff a directory (50gb) and duplicate it (hardlinking every file) in a few minutes, and I can ...
Benubird's user avatar
  • 5,942
23 votes
1 answer
17k views

Cannot boot because missing external disk

Using Fedora 24, I had configured in /etc/fstab an external usb drive: UUID=6826692e-79f4-4423-8467-cef4d5e840c5 /backup/external ext4 defaults 0 0 When I unplugged the usb disk and reboot, ...
sebelk's user avatar
  • 4,459
19 votes
4 answers
24k views

Can I port user permissions across computers for an ext4 external hard drive?

I have an external USB 3 disk drive (2TB capacity) that is most likely going to be moved from machine to machine. The disk has a GUID partition table and an ext4 partition. I am unable to write to the ...
Lord Loh.'s user avatar
  • 1,986
13 votes
2 answers
7k views

How to get smartd to ignore an HDD?

I have an external HDD which does not report SMART information properly (it gives nonsense results). As such, the smartd daemon (part of smartmontools) keeps giving false alarms on how the device ...
Renan's user avatar
  • 17.2k
12 votes
6 answers
23k views

Command line equivalent to "Safely remove drive"?

The file managers present in Linux Mint Cinnamon and MATE not only allow you to unmount external drives, but give you the option to "Safely remove" the drives as well, something not present in every ...
ArdentCertes's user avatar
12 votes
1 answer
29k views

How to calculate partition Start End Sector?

I am wondering what Start and End value to choose when partitioning my ext. SSD using fdisk. fdisk suggests 2048-250069679, default 2048 but 250069679 cannot be divided by 512 nor by 2048. Wouldn't ...
AlexOnLinux's user avatar
10 votes
2 answers
8k views

Is it possible to install a program onto an external drive?

I run Ubuntu 14.04 on a Toshiba chromebook using crouton. The drive my OS is installed on is small, with only 3.6 GB of free space. I'd like to install sage on my system but sage requires 6 GB of free ...
Brian Fitzpatrick's user avatar
10 votes
2 answers
7k views

Is btrfs suitable as a backup filesystem?

Right now I have a pretty traditional backup filesystem structure on top of ext4. Every time a backup is made, a new folder backup-DATE is created to which files are rsync'ed (with hardlinks made ...
Lekensteyn's user avatar
9 votes
4 answers
7k views

"Permission denied" with ffmpeg (via snap) on external drive

I got a new drive and I can copy files fine with simple cp on the drive. However for some weird reason I get Permission denied with ffmpeg. Permissions seem fine unless I'm missing something > ll ...
Pithikos's user avatar
  • 3,304
8 votes
1 answer
18k views

Unable to enable SMART support for external hard drive

I use my recently bought 1T Seagate Backup Plus Slim external hard disk ID 0bc2:ab24 Seagate RSS LLC (NTFS filesystem) as a backup tool. I want to run the Smartmontools software on this disk, but when ...
ksyrium's user avatar
  • 109
7 votes
1 answer
34k views

access external hard drive to delete folder on terminal Mac

I want to delete a folder of portable hard drive on terminal in Mac. Are there any command line ?
cat916's user avatar
  • 577
7 votes
1 answer
6k views

Mounting ExFAT on Linux

I've been trying to set up my Raspberry Pi B+ as a HTPC that also shares a USB HDD over Samba and AFP. The latter is working just fine, and the Samba share seemed to be working too for a moment. ...
Rowan Kaag's user avatar
6 votes
4 answers
4k views

Listing all devices as non-superuser

I'm trying to mount external hard drive. As I know, to mount manually, I should use fdisk -l to determine which device refers to the drive. When I'm doing so without sudo I have next output: user@...
Nikita Yashtaev's user avatar
6 votes
5 answers
14k views

Mounting external drive does not work anymore

~$ dmesg | tail [ 479.558062] usb 1-1: SerialNumber: S07F1601A00000090095 [ 479.559231] scsi7 : usb-storage 1-1:1.0 [ 480.557093] scsi 7:0:0:0: Direct-Access Ext Hard Disk PQ: ...
ManuelSchneid3r's user avatar
6 votes
2 answers
2k views

Why is dd reading from and writing to the same disk?

I've been using dd in Linux to overwrite an external USB hard drive. When I use the default block size of 512 bytes, with this command: # dd if=/dev/zero of=/dev/sdb throughout the whole operation, ...
EmmaV's user avatar
  • 4,087
6 votes
3 answers
42k views

External Hard Drive detected but not listed on fdisk or lsblk

I've read another questions related to my issue, but nothing seems to fix mine. So I have an USB ext hard drive (2TB Transcend) that I'm trying to plug it in. It works before like I can use the hard ...
Gregorio's user avatar
5 votes
5 answers
24k views

Locate disk in SAS enclosure

I want to blink the failing device in my 24-disk SAS enclosure. I have found sg_ses --index 7 --set=locate /dev/sg24 which is supposed to identify slot 7. But how do I figure out which slot/index /...
Ole Tange's user avatar
  • 35.7k
5 votes
7 answers
24k views

KVM can't access qcow2 images storend on an external HDD

I'm running Deepin 15.3 x64 and i have an external HDD with EXT4 file system. whereat i store things like VM images. Oracle VM VirtualBox and VMware Workstation Player works just fine with this config,...
Weylyn Savan's user avatar
5 votes
3 answers
4k views

When is it safe to disconnect my external HDD?

In Windows, there's an option to "safely remove hardware". Ignoring the fact that it almost always fails, and that most of the time I simply have to plug the device out, I get the initiative behind ...
jcora's user avatar
  • 3,884
5 votes
2 answers
11k views

Can i list unmounted drives without fdisk or lsblk?

I have an Inteno dg200 Router running some Iopsys linux version (kernel 3.14 or so, I believe) I've had some trouble getting a fileshare running using the USB ports and my external harddrive. The ...
rasmus91's user avatar
  • 352
5 votes
3 answers
13k views

USB HDD not working on linux

I have a WD My Passport 1 TB external hard drive which is giving me some problems on different linux machines: When I plug it in, nothing happens Gparted when detecting connected devices says "Error ...
user2747949's user avatar
5 votes
2 answers
3k views

External Hard drive will only boot on one computer

I have an external drive with Linux Mint 18 on it. It boots to my desktop, which is where I used the live CD to install the OS onto the external drive. However, when I try to boot this external drive ...
bri_ryche's user avatar
5 votes
1 answer
335 views

How do I temporarily extract a flash drive or HDD in Linux?

Suppose I mounted a disk in this way: mount /dev/sdb /mnt/tmp I have some files opened on this filesystem and don't want to unmount it. However I want to temporarily extract the device, then ...
Vi.'s user avatar
  • 5,813
5 votes
1 answer
1k views

Preventing access blocking while external HDD spins up? [closed]

I have an old laptop where I installed Debian along with a samba server which I am using to share read-write access to 4 external hard drives, which I use to stream my media from. All works fine, ...
topherg's user avatar
  • 153
5 votes
4 answers
2k views

Can't access USB HDD

I just bought a WD 1TB Caviar Blue drive, and a Bytecc HD-35SU enclosure for it. Snapped the drive in, went to plug it in on my laptop, nothing happened. I figured that probably meant I needed to ...
Eric's user avatar
  • 51
4 votes
2 answers
9k views

Can't mount EXT4 hard drive after mounting it in Windows

I have a 2TB Western Digital external hard disk. Its original filesystem was NTFS, but I formatted it to EXT4. I had no problem in Linux; but today after I mounted it using ext2fsd in a Windows box, I ...
Ariyan's user avatar
  • 2,116
4 votes
1 answer
422 views

Is it possible to run e2fsck in a way that'll give false results?

I have this 6 months old 5TB external hard drive. I started to experience a lot of I/O errors recently, so I backed up my data then used gparted to create a new partition table, a new main partition. ...
indianaken 7's user avatar
4 votes
1 answer
507 views

rsync move files, leave directories?

I'm using rsync to copy data between my internal and external hard drives. It's done what I need, but I'm running out of room on my internal hard drive. So, is there any way to get rsync to function ...
Lucas Phillips's user avatar
4 votes
1 answer
4k views

Sharing a hard disk partition with a Linux VM on VirtualBox

Let me just paint the picture so you can all understand. My host OS is Windows 10. I have VirtualBox installed on my Windows OS, and in VirtualBox I have a Kali distro running. This VM and its files ...
Dennis1679's user avatar
4 votes
2 answers
10k views

How Do I use autofs to map a USB drive by its ID?

Goal I have a USB drive -- let's say the drive's ID is /dev/disk/by-id/thediskid I would like to mount the drive -- by ID -- to a folder (let's call it /MOUNT_FOLDER) Question What is the best way ...
SeanKilleen's user avatar
4 votes
3 answers
1k views

Using a unix filesystem on an external hard drive?

After repeated trouble with my NTFS formatted backup/media hard drive (undeletable files, etc.), I decided to reformat it with a unix file system (ext4 preferred). I do not intend to use it from a ...
Tim's user avatar
  • 315
4 votes
1 answer
184 views

Adding efficient storage to a laptop-based system

I've recently asked an as-yet-unanswered related question. My question here is a bit different: I want to know the best way to add storage to a laptop-based system without sacrificing power ...
intuited's user avatar
  • 3,538
4 votes
1 answer
4k views

External hard drive not recognized on USB 2.0 port

I bought a Seagate FreeAgent GoFlex Desk 2 TB external drive two years ago and used the drive with Ubuntu and Windows (dual boot workstation). I made a backup of the drive last week using another ...
Marcello90's user avatar
4 votes
1 answer
1k views

How to allow non-root users to mount bitlocker encrypted external drives?

As a non-root user I would like to be able to mount external hard drives which have been encrypted with microsoft bitlocker. The admin (with root access) can set something up if I can tell him how to ...
argentum2f's user avatar
4 votes
0 answers
188 views

Do not show volumes as safely removable for system drive installed in external USB enclosure

I have up-to-date Arch Linux with KDE Plasma installed on SSD inside external USB enclosure. The problem is that the volumes of this drive are displayed in system tray with options to safely remove ...
nRoof's user avatar
  • 41
4 votes
0 answers
2k views

Stop HDD spin down when attached via USB adaptor

I got an HDD attached via dock station. Gentoo spins it down each ten minutes which leads to wearing out the disk spindle and moreover, waiting for the drive to spin up each time is inconvenient. I’ve ...
tijagi's user avatar
  • 932
4 votes
0 answers
369 views

automatic disconnection of RAID array

A RAID array connected to my system (Debian 7) via USB frequently disconnects itself for no apparent reason. Upon initial connection to the system, the device is detected, and the array can be ...
user001's user avatar
  • 3,698
4 votes
0 answers
1k views

The proper way to turn off an external sata encolsure?

I have an e-sata external enclosure with a port expander and 4 sata disks in it that I use for periodic backups. I have what I think is a sound method for powering it off, but not sure if it is the ...
casey's user avatar
  • 14.8k
3 votes
3 answers
37k views

Creating directory on an external hard drive via command line (SSH) on Linux

I have tried many approaches to create a directory on my external hard drive. Here is the details when I do fdisk -l What I get: pi@raspberrypi:~$ sudo fdisk -l Disk /dev/mmcblk0: 3965 MB, ...
KeirDavis's user avatar
  • 133
3 votes
2 answers
2k views

Encrypting a currently used external hard drive such that it can be updated with rsync?

I currently have an unencrypted external hard drive that I use as a backup for my encrypted (with LUKS) main machine. To update my backup, I simply log in to the main machine and rsync to my external ...
J. Mini's user avatar
  • 157
3 votes
1 answer
8k views

Formatting LUKS encrypted disk

How do I format LUKS encrypted disk if I don't know the passphrase? I recently switched my HDD for a new SSD disk in my laptop and now when I connect the old HDD externally I can't mount disk event ...
Petr Mensik's user avatar
3 votes
2 answers
607 views

Shredding an external HDD

How do I shred the data on an external HDD? I am trying shred "/media/me/New Volume/" but I get failed to open for writing: Is a directory. Why?
FutuToad's user avatar
  • 783
3 votes
2 answers
9k views

Installing GRUB2 on an external HDD without a live CD

I have cloned my HDD to an external HDD and now I need to install GRUB to make the external HDD bootable. The external HDD is meant as a mirror backup for my current HDD (I mean that once the ...
Eleno's user avatar
  • 1,849
3 votes
1 answer
2k views

Gnome suggests me to open external HDDs with Anjuta

When I attach an external HDD, GNOME suggests opening it with Anjuta: How can I make it open with Nautilus instead?
Mikhail Krutov's user avatar
3 votes
1 answer
2k views

External drive chmod does nothing

Why is it that I can do chmod on my files when they are on my laptops hard drive, but when i make files on my external drive, i can't change their access rights. I do: chmod 755 somefile, and on my ...
john-jones's user avatar
  • 1,736
3 votes
1 answer
225 views

How exactly is ext2 upwards-compatible?

I read somewhere that an operating system which knows nothing about ext3 and ext4 (i.e. antique Linux version) is able to read/write to ext4, and it detects any ext4 file system as ext2. I am not ...
neverMind9's user avatar
  • 1,700

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