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).

learn more… | top users | synonyms (1)

0
votes
1answer
64 views

Kernel ATA Exception after resume from suspend to RAM

After resuming from suspend to RAM, my Arch Linux system freezes and becomes permanently unresponsive. However, I managed to pull the following kernel log: kernel: sas: Enter sas_scsi_recover_host ...
4
votes
1answer
882 views

Fedora installer doesn't see my Windows 7 partitions

I tried to install Fedora 17 on the same disk I have Windows 7. First I got the message, that there are no free space to create partition, even in Windows part of disk was marked as unallocated. I ...
0
votes
1answer
458 views

How to check integrity to HDD with UDF format

I'm having problem with a USB external drive, which seem to be formated with UDF and was being used for MAC and Windows (or at least that is what told). When I attached the HDD to my Linux system ...
3
votes
2answers
28 views

Exchange data between two identical hard drives

I have two identical hard drives (same model) in my system. One is used for data which is not important (could be downloaded again but would take an eternity). The other is my system disk. Now my ...
4
votes
3answers
9k views

Recovering data from a damaged hard-drive: the “freezer trick”

I'm currently in the business of recovering data from a damaged---and dying---hard-drive (check this question for background info). The drive was dropped while the system was running; and while ...
16
votes
4answers
8k views

Differences between volume, partition and drive

What do these terms mean exactly? partition volume drive On Windows, one may say drive C: or partition C:. On Linux I'm not sure what should be used for partitions because they don't have a name.
0
votes
0answers
36 views

Accessing NTFS HDD through samba

I'm having trouble writing to the HDD attached to my pi from my laptop. The samba share is set up fine it seems, since I can write to the SD card without a problem. But whenever I try to write to the ...
1
vote
1answer
1k views

Problem with former RAID hard drive settings in Linux Mint 17

I'm new to Linux, just installed Linux Mint for the first time. I have two hard drives which were previously in a RAID configuration. Now before I have installed Linux I've changed them to individual ...
2
votes
3answers
5k views

Harddisk serial number from terminal?

I have multiple harddisks which get connected to my server and I'm not sure which one is what in the view of sdXY . If I can see the serial numbers of my harddisks from terminal, I can easily identify ...
2
votes
2answers
502 views

Where to find the VBR on the /dev/sda1 partition?

I have one built-in hard disk /dev/sda which looks like this: Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * ...
4
votes
1answer
92 views

Linux can't see any of my partitions — The backup GPT table is not at the end of the disk

I'm trying to install Linux on my HP Pavilion 14 inch ultrabook, but without any success. At first I tried installing Ubuntu on it; everything went fine, I got into the Live DVD (yes I'm oldschool ...
1
vote
1answer
672 views

ioctl: invalid argument for HDIO_GET_IDENTITY

I wrote a program to get the details of hard disk drive using HDIO_ ioctl calls. For writing program, I'm referring Documentation/ioctl/hdio.txt in kernel source(2.6.32). Here is my main part of ...
0
votes
1answer
39 views

What is the interface of my hdd? [duplicate]

lshw says my hdd is ATA disk, and bus info is scsi *-disk description: ATA Disk product: WDC WD2500BEVS-0 vendor: Western Digital physical id: 0 ...
1
vote
1answer
3k views

LVM not coming up after reboot, couldn't find device with uuid

Had a VM that was, up until recently working without issue, but needed to be rebooted after some configuration changes. However after rebooting the VM didn't come back up, saying it couldn't find the ...
4
votes
1answer
448 views

Gentoo Live CD from Hard Drive: No Mountable Filesystems on root after modules loaded

I am attempting to install Gentoo on my PowerPC Mac. I have reached the point where I can boot the Live CD (I have no functional CD Drive, so it is from a spare Hard Drive), but after the kernel is ...
2
votes
3answers
240 views

Why creating partitions in linux is good solution for easy recovery?

I have heard if you don't make partitins in linux it is so hard to recovery your data. And if you make some partitions it would be easy to recovery. for example if you make /par1 /part2 /part3 it is ...
0
votes
0answers
20 views

Are SMART diagnosis tools giving correct output?

My problem is the following: In November, the hard-disk analyser tool of Ubuntu 14.04 (Disks) showed some bad sectors. As this disk was very old, I replaced it by a Western Digital WD1600BEKT. Now, I ...
1
vote
2answers
33 views

How to recover after removing only LUKS key?

In a stupid attempt to disable LUKS encryption, I have done cryptsetup luksRemoveKey to my only key. So now everytime I try to boot my Fedora-21, it asks for the passphrase but obviously does not ...
7
votes
3answers
3k views

How to clone a NTFS partition (WinXP) from a damaged disk to a new one?

I'm an Italian Windows programmer. I know almost nothing of Linux, so please be patient if the question is dumb and pardon my bad english. I need to clone a NTFS partition from a damaged, near to die ...
5
votes
3answers
20k views

How to repair a corrupted HFS+ partition from a damaged hard-disk?

I have a friend's Mac OS X disk that comes with an HFS+ partition. I am supposed to recover the personal data from this disk, and I'm not yet sure if the filesystem is corrupted or the disk is dying). ...
1
vote
1answer
726 views

How to change hard disk spin-down time on my WD MyBook Live?

I have a 2TB Western Digital MyBook Live. It works quite well and provides a web-based administration interface. There is an option to either enable or disable power saving mode, which spins down the ...
59
votes
10answers
35k views

How do I know if dd is still working?

I've not used dd all that much, but so far it's not failed me yet. Right now, I've had a dd going for over 12 hours - I'm writing an image back to the disk it came from - and I'm getting a little ...
0
votes
1answer
2k views

How to increase size of /dev/sda2 in suse running on vmware

how to increase the partition /dev/sda2 partition. df -h : Filesystem Size Used Avail Use% Mounted on /dev/sda2 7.0G 3.7G 3.0G 56% / devtmpfs 432M 172K 432M 1% /dev tmpfs ...
1
vote
1answer
46 views

External HDD partition not showing [closed]

I have problem with an external HDD. I am using Debian Jessie. The partition is not showing, I can see only the device: # ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 ...
1
vote
2answers
47 views

What is spinning my disk up periodically?

I recently bought a CubieBoard 3 and installed Debian. The OS is installed on SD card and I use a 2.5" HDD to share files. The HDD is using ext4. I want the HDD to spin down if it is not used to save ...
2
votes
1answer
227 views

Unreadable backup directory on a USB drive

The title pretty much sums it up. I was editing a script I wrote some time ago to automatically backup the contents of my Raspberry Pi SD card, and in the course of editing, I missed a "/", and so ...
36
votes
3answers
20k views

How to know if a disk is an SSD or an HDD

I want to know whether a disk is a solid-state drive or hard disk. lshw is not installed. I do yum install lshw and it says there is no package named lshw. I do not know which version of ...
2
votes
2answers
647 views

What is the most accurate way to measure disk read/write speed for an OpenVZ VPS host from within the host itself?

CentOS 6.x | OpenVZ I have an openvz VPS host and would like to measure disk read/write speed. Historically, on other physical systems, I've ran hdparm to collect this information. I haven't been ...
4
votes
0answers
254 views

Why does hdparm see two different values for the size of a drive?

I have a 1 TB drive attached via USB. It contains an LVM physical volume filling the entire device (without any partition table). When I tried to extend a logical volume by using the entire PV, the ...
-3
votes
1answer
48 views

looking for a linux script that can show all hard drive information

I am looking for a Linux script under command line that can show all hard drives information at the same time, such as Name, UUID, mount point, TYPE, free space/available space/total size/use% in MB ...
0
votes
0answers
23 views

Testdisk 6.14 unable to fix 20GB WD ROM scroprio device

Using partedmagic iso , with pre-configured utility testdisk 6.14 I tried to repair WD 20GB hard-disk. It failed in sense it got me "read errors". I don't know how to fix it? Please help me. I'm ...
4
votes
4answers
1k views

enable SMART for HP hard disk

I would like to use SMART to perform a health check of my hard disk. I have an HP server of 4 years ago I believe. Everytime I try to use the following command smartctl -a /dev/sda I got an error ...
2
votes
2answers
104 views

Does `/proc/partitions` and/or `fdisk -l /dev/sdX` provide me a reliable device size?

I have two 3TB disks, which I hope to be exactly the same size. This means that I can use dd to copy them without being short or in excess of some bytes. Therefore I tried to find out the ...
0
votes
1answer
35 views

Recover hard disk file from corrupted one

I bought a 1 TB hard disk from my friend to back up my files but when I tried to copy 150 GB of data to the hard disk, during the last 5MB my laptop shut down due to power loss. After power came back ...
0
votes
0answers
16 views

Separating SAS from SATA drives

I have to list all SAS drives and separately list all SATA drives, I'm working on CentOS6 and tried lots of commands which will give some specific information about bus of disks. Let me show you ...
1
vote
2answers
117 views

Optimizing logical sector size for physical sector size 4096 HDD

With many new hard drive disks the physical sector size is 4096. Would it be possible to make the system use a logical sector size of the same size, rather than the default logical sector size of 512? ...
1
vote
1answer
27 views

How to debug hard drive power saving?

My harddrives are not going to powersave. I have added the following lines into /etc/hdparm.conf: command_line { hdparm -S 25 /dev/disk/by-uuid/42d40d37-2859-457c-93d0-e4c617d06d9f } ...
0
votes
1answer
37 views

Creating a live USB without persistence or access to hard drive

I am looking to be able to run a live copy of Linux off of a 4GB usb stick. I would like this to be a sandbox/learning environment, and my requirements are: 1) No persistence. Everything that is ...
0
votes
0answers
53 views

Repair or recover seemingly damaged partition on USB external disk

A friend brought this WD My Passport external harddrive to me to see if I could recover her files. The device is "not working" after a power outage. As per her testimony, when the device is connected ...
3
votes
3answers
327 views

Why my 3TB disk shows an actual size of ~800 GB with several tools except smart tools?

System disk started to fail and hence I ran out to buy a new HDD 10 minutes before closing time :/ This is for a 32-bit system disk. From earlier, relatively long time ago, I had checked out Seagate ...
0
votes
2answers
9k views

How do I access files on an external hard drive? [closed]

edited 02-25: I thank @Anthon for his replies. I still do not, however, understand the meaning or the how of "pinging" ("Once you update your Q, ping the commenters..."). I also do not understand the ...
6
votes
1answer
441 views

How to use an SSD for caching, so my hard disks can spin down?

I've got a file server with a bunch of disks running together in a BTRFS pool and want to add an SSD for caching. I'm not mainly after speeding up things, but want to catch the regular small accesses ...
4
votes
5answers
3k views

How can I run an hdparm command after boot and resume on Fedora 19?

I bought a new HD(WD5000BPVT) which unfortunately tries to sleep every 5-8 seconds. Not only is the clicking noise quite audible, the 1-second spinup time adds very noticeable latency in day-to-day ...
0
votes
1answer
62 views

In smartctl output, what does LifeTime(hours) mean?

Specifically, in smartctl output, how is LifeTime(hours) calculated? I'm assuming it's one of the following: The difference (in hours) between the time of the test and the manufacture date of the ...
48
votes
3answers
4k views

What NOT to put on an SSD?

I bought an SSD and I am going to set up my desktop system with a completely fresh Linux installation. SSDs are known to be fast, but they have a disadvantage: The number of writes (per block?) is ...
1
vote
2answers
5k views

Why might an external Hard Disk Run super slow?

I have an external Western Digital HDD (1gig) which is running very slow, 0.5 - 1mb per second. This is on a Mac Pro running the latest OS with all the patches. The HDD is connected via USB directly ...
6
votes
2answers
7k views

How to use SSH to make a dd copy of disk A from host B and save on disk B?

I want to make remote backups from disk A at will using SSH from computer B. I want to save the backups to disk B. How can I do this? I've tried using $ ssh hostname@my.ip.add.ress "sudo dd ...
4
votes
1answer
520 views

lshw lists my drive but it has no /dev file

Ive just got a dedicated server which has 2x 1TB HDD. However when I type df -h I get the following: [root@sd-56537 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 916G ...
4
votes
2answers
72 views

Hard-drive errors

My /home file system is JFS, it got to RO mode several times already, so I had to reboot/remount it. I saw this at '/var/log/messages`: Dec 31 10:12:49 uvv-laptop-y570 kernel: [ 983.925711] ...
1
vote
2answers
1k views

RedHat Linux Space Usage Problem

I recently downloaded something on my Redhat Linux computer, and it told me I was out of space. I checked my disk usage, and it says I've used 100% of my folder, but as you can see I still have almost ...