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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15 views

HDIO_GETGEO and HDIO_GET_IDENTITY in Linux using C++ [on hold]

Can anyone explain the core difference between HDIO_GETGEO and HDIO_GET_IDENTITY? From the Linux documentation and this document titled: Summary of HDIO_ ioctl calls., I know that the former is for ...
0
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1answer
9 views

Explaining SMART power error

I use gsmartcontrol, on the Error tab, it shows: Complete error log: SMART Error Log Version: 1 ATA Error Count: 398 (device log contains only the most recent five errors) CR = Command Register ...
0
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0answers
21 views

Setting up my Linux machine with multiple hard drives

I've recently made the switch to a copy of Elementary OS Freya (Ubuntu 14.04) and so far, really been enjoying it coming from a Windows background. After fumbling around a little, I got my 1TB Seagate ...
0
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1answer
32 views

Is it good to install linux on external hard drive?

I have an external hard drive and I would like to install linux on it (I choose Fedora KDE). I made a bootable dvd and I will choose the external hard drive to install on it the os. Is it good to ...
1
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0answers
19 views

How should I distribute files/packages/software across multiple drives?

I am primarily a Windows user, but I am starting to use Linux more as I realize all the features it has. In Windows, I install my software that I use regularly on my 120GB SSD, along with the OS, ...
1
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1answer
16 views

slow disk I/O speed on NTFS partition

My Laptops internal 640 GB HDD ,WD Scorpio blue(WD6400BPVT). It has 5 partitions. 120 GB NTFS partition, primary, sda1 250 GB NTFS, extended, sda5 20 GB / (root), sda6 4 GB /swap, sda7 ~ 202 GB ...
0
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1answer
13 views

How to automatically check for failed hard drives in RAID array?

We've got a couple of servers in-house containing hardware RAID5 and RAID6 arrays with 8-15 disks each. What's the easiest way to automatically check for failing hard drives using a script so that ...
1
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0answers
41 views

Formatting drives in linux always makes them read only [closed]

I'm using Debian 8 and trying to create an ntfs partition (on /dev/sdd). Whenever I format a drive either through the nautilus interface of right click > format... or even through command line ...
0
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2answers
26 views

Advantage of GPT over MBR partition table [closed]

What is the advantage GPT partitioned hard drives on older BIOS system ? when boot drive is bellow 2TB on a BIOS system or UEFI boot disabled grub on BIOS system with GPT partitioned needs an ...
0
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2answers
25 views

Content cached in RAM while writing to disk - Linux

I'm facing this issue since ever I started using Linux Distros. While copying/moving either graphically or with cp one/many big content(anything like big text file, tar.gz archive, iso file, movies) ...
1
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0answers
8 views

Shrinking root partition on Debian

I'm using a headless Debian Wheezy server with 2x3TB disks. It was installed automatically with RAID1. This is the output of df -h: $ df -h Sys. fich. ...
1
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0answers
50 views

Startup problem: invalid partition table or use UEFI BOOT

I'm working on a Dell Latitude E5430. Recently I booted pcbsd from USB using this file: PCBSD10.1.1-RELEASE-01-31-2015-x64-DVD-USB_0.iso But I guess I did something wrong. I was trying to install ...
2
votes
1answer
40 views

Is BTRFS saying that my HDD is dead?

I noticed that my HP N54L was laboring and discovered that dmesg was reporting this: [ 81.945530] btrfs read error corrected: ino 1 off 16685977600 (dev /dev/sdb sector 2636776) [ 82.010023] ...
1
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2answers
29 views

How do I migrate a RAID system to a larger set of HDDS?

All the posts I've found are about moving to new machines or migrating an entire OS from one HDD to another. I don't really know what the hell I'm doing, but I'm apparently the Linux expert. We ...
0
votes
0answers
42 views

“Warning! Secondary partition overlaps the last partition by x blocks” in gdisk, is it safe to use gdisk here?

I'm trying to install convert my hard drive into GPT using gdisk, when I run sudo gdisk /deve/disk1s4 I get this: Warning! Secondary partition table overlaps the last partition by 2032668853 blocks! ...
8
votes
1answer
120 views

Disks (in usb enclosure) keep waking up even when not mounted

Setup I have USB enclosure (Buffalo DriveStation Quad) containing four drives connected to my nas server (ubuntu server 14.04). The enclosure is configured to JBOD mode, so I'll see all the disks in ...
1
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2answers
59 views

UEFI System. Are EFI settings kept on the HDD. What happens if I change HDD?

I have an UEFI system with Linux installed on it. Unfortunately I need to upgrade the BIOS firmware and after a month of failing with live CDs and Live DOSes and so on I have decided to buy a new hard ...
1
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2answers
37 views

Partition table-less HDD [duplicate]

Just this morning, I accidentally created a hdd filesystem without a partition table. I didn't even know it was possible but it happened. Now the issue is to undo it or leave it alone. For this ...
0
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0answers
46 views

HDD disconnects randomly

My internal Seagate Barracuda 7200.11 500GB randomly disappears. Sometimes, before the HDD gives up, I have enough time to move data to another HDD. Data does not seems to be corrupted. I checked it ...
1
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1answer
34 views

How to exclude a disk so that the OS will not use it?

We have an HDD that is probably having too much bad sectors. The notebook boots extremly slow from it. We put the disk in another notebook (good) via a CR-ROM HDD case. But now that good notebook ...
0
votes
1answer
40 views

Volume Group fails to recover

For the last 10 days I've been living a nightmare trying to recover my data. I'm trying to recover VG and mount it to access the data here's what I get [root@]# pvscan Found duplicate PV ...
2
votes
0answers
48 views

Exundelete can't restore the file

I'm trying to restore 2 important tar.gz files I know their directory but extundelete not restoring them although it's giving me the inode number. Loading filesystem metadata ... 2127 groups loaded. ...
10
votes
2answers
373 views

How can I partially copy a file from a broken disk?

I have a broken disk where I need to copy a 60G file from. From time to time the disk resets and I can't finish the copy. I would like to try and copy partial slices and put them all together. How ...
0
votes
2answers
47 views

Unable to mount Volume Group [closed]

2 drives connected externally to a new server both are merged using LVM as one drive. vgscan Reading all physical volumes. This may take a while... Found volume group "vol_grp1" using metadata type ...
0
votes
2answers
45 views

rsync partial LVM volume to Remote Directory

Can I rsync a full hdd partition (which is inaccessible) to a remote directory? Inaccessible means it cannot be mounted, it was part of LV volume merged with other HDD which is faulty and removed ...
0
votes
1answer
36 views

Hard Disk Clone Image Size

I've created an image backup for HDDA (partition) from HostA and saved on HostB ssh -c blowfish user@ip-or-hostname "dd if=/dev/sda1 | gzip -1 -" | dd of=sda1.gz conv=sync,noerror The HDD size is ...
0
votes
1answer
28 views

Disk ID in chroot / jail

When I print out all information about a disk /dev/sda on my host system, then I get this sort of information (I got this information with command udevadm info --query=all --name=/dev/sda): P: ...
0
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0answers
16 views

One disk in RAID setup high usage

I have a system here with 6 disks all same make and model, and on that I have 3 partitions. / RAID 6 /var/log RAID 6 /storage RAID 5 on / I created a swap file instead of partition. With ...
2
votes
0answers
24 views

recover lvm formatted partition

I had 2 old drives having LVM installed showing as 1 drive. They were attached by the datacenter to the new server to migrate data but they weren't able to be mounted I tried everything possible until ...
2
votes
0answers
32 views

Mount LVM volume as external usb drive? CentOS 6

I'm trying to mount my old 2x500GB drives to the new server which has the same drive volume. Both have LVM structure but it's not working. root@server [/mnt/usb]# ls /dev/sd* /dev/sda /dev/sda2 ...
0
votes
2answers
29 views

CentOS 6 Partitioning Root Drive

I have recently installed CentOS (into a machine with only one hard drive) and I would like to know how to Partition the main hard drive into two. As it is a fresh install there is no data to lose ...
0
votes
1answer
52 views

Linux Hard Drive Partitioning

I've decided to do a fresh Linux CentOS 6 install onto a small computer which I intend to use as a basic server. The OS has been installed and I would like to partition the 31gig sda drive (there is ...
0
votes
1answer
23 views

Purpose of each disk access and why it may not occur

I'm going over past papers for an exam I have and my university do not provide answers so that I can check them, please could you let me know if my understanding is correct and if not please could you ...
2
votes
2answers
94 views

Can't mount second hard drive on CentOS 6.6 - Duplicate VG name

Yesterday I add a SSD to my PC configuration and I make on it a fresh installation. At the moment of installation I replace my old HDD and there was only the SSD. When the installation finish I make a ...
5
votes
0answers
553 views

Docker says “no space left on device” but, system has plenty of space?

I'm trying to run a docker image that works on other systems (and you can even pull it from dockerhub, if you'd like: it's dougbtv/asterisk) however, on my general workstation, it's complaining about ...
1
vote
1answer
31 views

How can I choose optimal values for block size and blocks number for badblocks?

I'd like to test my hard disks with badblocks, but I don't know which values I should use for the block size (-b option) and blocks number (-c option). I randomly tried a few values and it seems they ...
0
votes
1answer
43 views

File system not detected after OS upgrade - how do I debug this?

I have a computer with two hard drives in it. One carries the OS and a whole bunch of other stuff; the other was mounted inside /media as a dump-space for an additional terabyte of storage space. ...
3
votes
1answer
137 views

SmartMonTools: How can I know if there is any smartctl test running on my hard disk?

I am testing a hard disk with SmartMonTools. Hard disk status prior to the testings (only one short test performed days ago): $ sudo smartctl -l selftest /dev/sda smartctl 6.2 2013-07-26 r3841 ...
0
votes
1answer
32 views

Problems with secondary hdd in grub

I had some problems installing Linux mint and or any other Linux distribution in combination with Windows. When I booted my machine it would hang before the grub bootloader showed up. Now i have some ...
0
votes
0answers
27 views

Can't read 2TB Hard Disk , don't exist dispositive

I have a new 2TB external USB HardDisk, and I can't open or format it. I'm gotting diferent kind of errors, for example: If i execute: sudo mount -a /dev/sdb sudo mount -a /dev/sdb1 The response ...
0
votes
2answers
28 views

nautilus doesn't display full disk space

Hello I am having an issue with Nautilus, it will not recover disk space. My home partiton is on /dev/sda2 and running fdisk returns Device Boot Start End Sectors Size Id Type ...
1
vote
1answer
763 views

Mount external hard drive automatically

I have an external hard drive (WB My Passport), connected via a USB port. My OS is Elementary OS Freya on a Dell Vostro 1510. Currently, in order to mount the drive, I have to open the file manager, ...
1
vote
1answer
19 views

Map Home to External Drive

Whereas I have my OS (in this case, Elementary OS Freya) installed on my non-partitioned internal hard drive, I have an external hard drive with /Documents, /Downloads, /Movies etc. where I store all ...
1
vote
1answer
32 views

I can read from hard disk, but I can't mount it read only

I have some problems with my hard disk - maybe it is broken, maybe the SATA cable is broken, I am just investigating it. One thing is strange. I can read raw data from this device using: # cat ...
0
votes
0answers
21 views

Hard disk power cable possibly slipped out during copying - now directories empty, error shows “dir: cannot access .: input/output error”

I am pretty sure the powercable to one of my harddisks fell out during copying. The result was two personal backup directories are now empty, but still extant, while the rest of the directories are ...
0
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2answers
68 views

Where are all the disks used?

This is almost a little embarrassing to ask, but I just can not figure this one out myself really. I'm trying to find out where the disks of my machine are used and if they are actually used at all. ...
2
votes
1answer
68 views

How to split file and save parts to multiple locations?

How do I split a large file into multiple smaller chunks and write each part of it into separate locations? split command seems to only output all the files into one location. The context I need to ...
1
vote
1answer
52 views

Simple way to keep hard disk alive on activity?

As hdparm does not work for my USB external drive (it spins down to early), I’d like to simulate standy-by control manually by a simple script with the following idea: monitor I/O to the disk when, ...
0
votes
2answers
76 views

Get all hardisk list (/dev/sd*)Using command line

I need to get all the hardisk connected to my PC like, /dev/sda /dev/sdb /dev/sdc later I have to use it in script and monitor using iostat I alrady found fdisk command, it seems to be hard ...
0
votes
1answer
193 views

Correct way to delete unnecessary files from /boot directory (Ubuntu)

Currently there is not enough space on by /boot partition/folder and the sofware update can not be performed. Question: how should I correctly free-up some space in that directory? Here is the ...