The tag has no wiki summary.

learn more… | top users | synonyms

10
votes
3answers
6k 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 ...
7
votes
3answers
3k views

External hard drive permissions - ext4

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 ...
6
votes
4answers
345 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: ...
5
votes
5answers
9k 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: ...
5
votes
2answers
194 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 ...
5
votes
1answer
673 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, ...
5
votes
3answers
995 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 ...
4
votes
3answers
473 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 ...
4
votes
1answer
139 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 ...
4
votes
0answers
99 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 ...
3
votes
1answer
145 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 ...
3
votes
3answers
242 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 ...
3
votes
2answers
140 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 ...
3
votes
3answers
1k views

Fixed mount point of external usb hdd

I'm doing a backup script and need to have a fixed mount point for an external usb drive. If it is the first usb connected it will mount in /media/usb0/, however if it is the second, third... it will ...
3
votes
1answer
1k views

Ubuntu 11.04 and large external drives

I have a Hitachi USB external 3 terabyte drive attached to a Dell Precision T1500. When connected to the computer running Ubuntu 11.04 (2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:17:25 UTC 2011 ...
3
votes
0answers
50 views

Is btrfs suitable as 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 ...
3
votes
0answers
62 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 ...
3
votes
0answers
69 views

Which 'smartctl -d' option should I use on this hard-disk: 'scsi' or 'ata'? [duplicate]

On the back of How to repair a corrupted HFS+ partition?, I have separate question. I'd like to run smartctl tests on a hard disk, but I'm not sure which option I should use to correctly initialize ...
3
votes
1answer
43 views

Customize Drive Mount Location

I'm running Crunchbang Linux (a variant of Debian) Whenever I plug in a drive, it gets mounted to /media/username/UUID-or-Name. Is there a way to instead mount it to /media/UUID-or-Name? Crunchbang ...
2
votes
4answers
328 views

USB 500GB external drive mounted with undetermined permissions, missing data

Note: This situation is evolving. Please see the output at the end of this question for the current situation. I'm using Linux Mint 14. Recently, I repartitioned one of my hard drives, and I backed ...
2
votes
1answer
11k 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 ?
2
votes
2answers
3k 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 ...
2
votes
3answers
2k views

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

I have a 2TB Western external HDD. 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 cant mount it ...
2
votes
2answers
81 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?
2
votes
1answer
41 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 ...
2
votes
3answers
1k views

How to clone linux installation onto an external harddisk?

I see a lot of dd related questions, but could not find answers to the following. If question/answers already exist, please point to them, then flag to close, delete or merge. Can a working linux ...
2
votes
3answers
1k views

Loss of disk access on external USB system/boot drive

I'm running ubuntu 10.10 on a Dell D400 laptop. I'm booting and running the system from LVM volumes on a WD Scorpio Blue 2.5" drive mounted in a NexStar3 USB enclosure. For the most part, this works ...
2
votes
2answers
971 views

Install mandriva in USB HDD

I want to install Mandriva 2010.2 in my external USB HDD using the image file. The laptop's cd/dvd drive doesn't work, so I don't have the option of making a Live CD and starting the installation from ...
2
votes
1answer
38 views

Recover data from HDD

This Monday I wanted to make a boot-able USB-Stick with a Knoppix .iso on Linux. I used the "dd" command to do this. Situation: 1. Laptop with Linux Mint on it 2. HDD mounted to System (.iso File ...
2
votes
1answer
504 views

Permissions in Ext4 Truecrypt Drive

I just used the Truecrypt GUI to encrypt my entire USB hard drive (currently /dev/sdb). I formatted it to ext4. Now, I can mount it in my home directory with the command truecrypt --mount ...
2
votes
1answer
1k 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 ...
2
votes
1answer
93 views

why 2TB external HDD is recognized as 800 GB only in Ubuntu 8.10

I had a 2 TB external HDD which I formatted as below. fdisk /dev/sdb After issuing the above command, I did the following steps. Then selected option p. (To print the partition table). Then ...
2
votes
0answers
192 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 ...
2
votes
3answers
423 views

Seagate external drive freeze problem

I've recently bought a Seagate STBU1000200 1TB external usb hard drive. The first thing I did was to delete the NTFS partition and create an ext4 one with Gparted. Ever since, I'm facing strange ...
2
votes
0answers
898 views

Seagate external hard disk creating problems

I've bought a new hard disk, a Seagate (Backup Plus), but I'm having problems with it. Firstly, it doesn't mounts every time I plug it in. In such cases, I've got to restart the machine to work with ...
2
votes
0answers
231 views

Connected external HDD slows down system

I need to connect large external hard disks (with many many files) to a system running Ubuntu. I have no idea how the Linux kernel is treating the inodes for the external drives, but attaching huge ...
2
votes
0answers
868 views

power management of USB-enclosed hard drives [closed]

With a typical USB hard drive enclosure, is the full range of drive power management functionality available? edit: moved this into a separate question: In what may be an unrelated matter: is it ...
2
votes
2answers
319 views

Gnome on an external hard drive?

I have a GuruPlug computer with an external HDD mounted. I would like to set up Gnome and try to access it via remote desktop. My first roadblock is installing Gnome. I tried running sudo apt-get ...
1
vote
1answer
257 views

How to stop Western Digital External HDD from Sleeping

I have one Western Digital External HDD(2TB) connected to Redhat Server with the Partition type Ext3. But I noticed that it goes to 'sleep' mode if no one is accessing it. So if I try to access it, ...
1
vote
1answer
473 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 ...
1
vote
1answer
2k views

No permission on external drive [duplicate]

Possible Duplicate: can't change file permission On my hard drive everything is fine, but when I go onto my external drive I can't chmod. I get no error message but the changing simply ...
1
vote
1answer
1k views

Why is my fstab entry for an external USB drive not working?

I have an external USB drive which my system recognizes as /dev/sdb1. I want to have it automounted with 755 permissions on boot and shared over the network with samba. I created the mount point ...
1
vote
1answer
36 views

Debugging an external HDD

I'm using an external HDD which is my old laptop's HD with 2.5 SATA enclosure. I tried to delete a partition in Windows and stopped it unknowingly. When I reinsert it, my OS including Ubuntu freezes ...
1
vote
1answer
184 views

External Hard disk Input/Output error

One of WD external harddrives is not working when I try to access some folder. I am able to access the rest of the folders on the disk. I am getting Input/Output error as show in the attached Image. ...
1
vote
1answer
226 views

Complete system hang on umount and `ls /dev/sd*`

I have a portable hard drive which I mount on /mnt/ext. Normally it works fine. But if I leave it mounted with no activity for sufficiently long, it can cause my system to completely hang. This has ...
1
vote
1answer
221 views

Automount post-unmount script

My intention is to spin-down an external USB drive after 20 minutes of not being used. In the normal case I would use hdparm for this but unfortunately this doesn't work on my external USB drive. It ...
1
vote
1answer
1k views

Installing Linux on an external hard drive and multibooting with Windows 7/8

I want to multi boot Linux (Fedora 19) with my two machines which use Windows 7 and 8. The Windows7 is a desktop, and the laptop is a Windows 8 machine. I used my desktop to install Fedora 19 on the ...
1
vote
0answers
40 views

Making External Hard Drive OS Portable

What I'm trying to Accomplish: I would like to install Arch linux on an encrypted (lvm on luks) external USB hard drive and have it boot and run with the widest array of machines possible and before I ...
1
vote
0answers
31 views

What accommodations must be made to boot an external HDD on multiple computers?

Is there a way to create a bootable external hard drive (like a persistent USB) that can be booted to multiple computers? I have built plenty of live USBs where this wasn't a problem, but when I ...
1
vote
0answers
42 views

External disk - how to ensure readable by all without needing root perms?

I have an external HDD. It's portable, so I plug it in all over the place. Needless to say, these different places have different passwd files and uids. The files are mine and I need to access them ...