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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20 views

extend Disk space

i want extend my disk space : #df -h Filesystem Size Used Avail Use% Mounted on udev 10M 0 10M 0% /dev tmpfs 403M 17M 387M 4% /run /dev/sda1 19G 18G ...
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1answer
17 views

Noise and message weird

I was copying data between two drive usb on ubuntu server 14.04 LTS. The given time the drive usb started making noise. It seemed was the arm on inside disk it was a little crazy! It seemed the arm ...
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0answers
13 views

Linux Mint installation showing entire Windows disk unallocated

I'm trying to install Linux Mint next to my install of Windows 10, but there's a problem. Mint is saying that the entire hard drive is unallocated "free space", though in the file explorer you can ...
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0answers
17 views

Determine affected file given logical block number [duplicate]

Given the logical block number from these log lines in /var/log/messages, is there a way to determine what file was affected? ...Buffer I/O error on device sdd1, logical block 203953715 ...lost page ...
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0answers
18 views

Deleted a volume with %noformat%, now it will not show up anywhere

I'm on Mac 10.11 and deleted a 2nd partition on my SSD using this command: diskutil eraseVolume free %noformat% disk0s2 Now the computer will not allow me to use that deleted space. I have a 250gb ...
3
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3answers
34 views

Is CentOS using synchronous or asynchronous write

Is CentOS using synchronous or asynchronous write? Is ther any way to check or to change this?
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0answers
13 views

Squid won't let spindown to happen

I have a Squid 2.7 installed on my old NAS and my problem is that squid is periodically (every few seconds) checking the swap.state file or anyhow touching the HDD making it to be turned on for 24/7, ...
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0answers
29 views

Improve CentOS performance while saving

When I save larger files at about 5 minutes of save time, Linux lags completely on my new computer. I can't change workspace or move my mouse. The files are about 50 Gb in size and are used for ...
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0answers
27 views

Why does hdparm and dd show two completely different results?

I have an external hard drive (/dev/sdc1) mounted at /mount1 When running hdparm -tT /dev/sdc1 I get: /dev/sdc1: Timing cached reads: 2246 MB in 2.00 seconds = 1123.75 MB/sec Timing buffered ...
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0answers
13 views

Monitor health of HDD/SSD without S.M.A.R.T

Some hard disk drives (HDDs) and solid state drives (SSDs) do not provide S.M.A.R.T. data. This seems to be especially true of cheap USB HDDs. My question is: on a typical GNU/Linux system, can the ...
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12 views

Hard disk partition table overwritten -TestDisk recovery

Okay so I'm not %100 if this should be posted here or super user. here's my problem: I've an Ubuntu user for quite some time but had decided to switch over to Mint. While installing I realized I had ...
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68 views
+50

How do I (re)build/create/assemble an IMSM RAID-0 array from disk images instead of disk drives using mdadm?

The question: Using Linux and mdadm, how can I read/copy data as files from disk images made from hard disks used in an Intel Rapid Storage Technology RAID-0 array (formatted as NTFS, Windows 7 ...
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2answers
52 views

Move FreeBSD installation to smaller HDD [duplicate]

Good day! I have FreeBSD installation with next partitions: Now FreeBSD is installed in 500GB hard drive. I want to move it to 250GB hard drive. What is safest and correct way to do it? I'm afraid ...
2
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4answers
50 views

Recovering data from broken (NTFS) partition

I'm trying to recover data from a Windows (NTFS) disk that became unreadable for some reason. I'm doing this from within a Linux Mint environment. I can see the partitions normally, and I also see ...
2
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1answer
27 views

How to map Linux hard drive identifiers like “sd 3:0:0:0:” to ones like “ata8:”? [duplicate]

In my kernel log, I can see entries like: [ 0.765510] sd 3:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) and when something fails, it's usually something like: [ ...
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0answers
17 views

no bootable partition, trying to solve with testdisk

I had Ubuntu 14.04 and a partition with data. Then I decided to try Linux Mint, I booted it from USB, I was going to install it but then I changed my mind. Linux Mint started to prepare my hard disk ...
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1answer
37 views

FSTAB trouble - unable to load linux system after unplugging additional hdd

I have two hard drives on my computer. On one of them I have installed linux (elementaryOS) and on the second one I store some of my data. I have made fstab entry to auto-mount this drive and ...
3
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1answer
354 views

Does Linux typically log system temperature data?

Do mainstream Linux distributions typically log system temperature data, e.g. CPU or HDD temperature? If so, where can those logs be found?
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4answers
701 views

Monitor hard disk activity

In a Ubuntu 14.04 server I am experiencing a massive hard disk activity which has no apparent justification: it comes as a burst, it lasts a few minutes and then disappears. It consumes system ...
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1answer
21 views

RAID5-4 devices with 2 failed devices: hope to retrieve data?

I built a RAID5 array with 4 2Tb devices a few month ago. - I used LVM2 to build partitions. - I also used GRUB2. - Finally I installed Debian. For an unknown reason the RAID failed. The BIOS "see" ...
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1answer
41 views

I'm new to Linux and I use Elementary, so I need a little clarification about the local disk on Linux [duplicate]

I was using Windows 7 and in My Computer I had 2 local disks C: and D:. On Elementary I only see a File System (if i'm not mistaken). Has Linux combined these 2 into one called File System?
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1answer
65 views

Desktop completely freezing on I/O operations

In my old system, I was already having desktop freezes on some heavy I/O operations like apt-get dist-upgrade and copying 4 GB video files. But now, it has become a lot worse: any apt-get install is ...
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1answer
26 views

Low level access to a disk in failure

I have a SATA 2Tb HDD device probably damaged: smart doesn't work, etc. The partitions were built with LVM2. Is it possible, with a low level tool, to retrieve one logical volume (in my case /var) and ...
2
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0answers
47 views

Cancelled hung GParted operation; didn't 'Force Cancel'; How do I get out without losing data?

In GParted, I was moving a partition over 200mb to the left. However, when it got to 76.13gb of about 330gb done, it stopped (it was stuck at 76.13gb all night). So, I hit cancel (without properly ...
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1answer
26 views

Expanding a hard drive partition to fill the drive without wiping the partition?

I have a hard drive that came out of an old Windows PC, which I'm using as a second hard drive. Because it was already formatted as ntfs, I didn't want to reformat it and lose all the data on it, so I ...
2
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0answers
16 views

confused about dd write speed and VFS page cache

After reading some articles on the Linux VFS page cache and the tunable parameters like dirty_ratio i was under the impression that page cache would operate as both read and write caching layer. But ...
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0answers
31 views

OpalCryptoErase.exe for linux

I have a tool name OpalCryptoErase.exe which lets me reset the encryption keys on my opal ssd disk. Of course I lose my data along the way but I don’t care I just want to reset the disk to the initial ...
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0answers
34 views

IOSTAT report doesn't match with DD benchmark

I am running a DD benchmark but the obtained results are not matching with the IOSTAT values. This is the DD sample: $ sudo dd bs=4096 count=690 if=/dev/zero of=/mnt/tmp/test oflag=dsync 690+0 ...
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1answer
53 views

how to create another physical volume/partition with existing unused lvm space without data loss?

I have a 1T USB disk with Fedora 20 installed. It shows as sdd in the first image below. I only used about 50GB. There are 3 logic volumes under the sdd2 and also there are about 620GB of free space ...
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0answers
43 views

Why would Fedora installation crash when using an Nvidia card with SSD, but not in other configurations?

I want to share you a mindblowing problem and want to listen to your ideas. I have a computer (i5, 4GB RAM, etc) Had a Gigabyte NVidia 210 graphics card in it along with a 500GB HDD. Was about to ...
5
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2answers
458 views

How large is the img that dd creates?

This is the first time I use the dd command. I execute: dd if=/dev/sdb2 of=/mnt/sdc1/Hdd1.img bs=512 conv=noerror,sync Where the sdb is the destroyed hdd (size: 500 GB). I copying the partition ...
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2answers
226 views

DF output inconsistency

I moved about 12G files from Linux / partition (to a NFS directory), however it seems that the available size hasn't increased. Here is df result: Filesystem 1K-blocks Used ...
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1answer
71 views

How can I create an LVM volume group spanning 2 hard drives? [closed]

I have rented a dedicated server with two 500gb hardisks running Centos 6. On this server there are 4 partitions: 1.boot 2.root 50gb 3.swap 50gb4. 4.empty 400gb Now I want to create a logical ...
0
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1answer
74 views

Repair Bad Ubuntu Installation With Grub Rescue & No Changes to BIOS

I have a old Dell PP01X laptop (it has a floppy disk reader & an external wifi card) which I tried to install Ubuntu on. To do this, I partitioned the drive into 3 parts (windows, linux, and swap ...
1
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2answers
41 views

HDD with windows OS not connecting to linux via usb to sata adapter

I have an internal hdd from a windows computer. The computer suddenly started giving the message "No bootable device" during startup. So I would like to recover some of the data from the drive. To do ...
0
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3answers
111 views

DDRescue taking months but no errors?

'm having a hard time finding others with the same error, and I'm trying to figure out the best path forward. I have a hard drive that was unusably slow, and then stopped booting. The clonezilla ...
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0answers
19 views

how to recover the linux OS if boot disk fails

I have only one hard disk installed on a Linux server sda sda1 - root partition sda2 - home,swap etc What to do if sda fails?
0
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1answer
36 views

Can't boot into my Linux partition--disk is supposedly at fault, but scans show no errors

I'm trying to boot into my Linux partition, but receive this message: Welcome to emergency mode! After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl ...
1
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0answers
18 views

Copying “live usb” install from USB stick to portable Hard Drive

I have a bootable install of Linux Mint on a usb stick (ie a "live usb" install). It has a writable partition so that i can have persistence between one session and the next. I've copied off the sdb1 ...
1
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0answers
22 views

Is it feasible to fill a ntfs partition/device pre install with zeroess?

In my question about copying with dd one of the commentors pointed out the method of filling the unused space with 0s. Is there a way for a dd of a 80 GB hard drive to be minimal in size? Now after ...
2
votes
1answer
195 views

Unable to run the pvcreate command

I am running Linux Ubuntu via VMWare. Currently it has been allocated a space of just 20 GB. I increased the same by 1 GB, on a trial basis. The new partition is named sda3 (screen shot of sudo parted ...
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0answers
10 views

Dual Boot; Ignore HDD

I created a dual boot with Linux and Windows. My system has 4 HDDs of which I use two under Linux and two under Windows. Now Linux always shows me the icons for the two HDDs which I use only under ...
0
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0answers
41 views

SSD + HDD performance from power on

I'm planing to buy a new laptop with a 128GB SSD and a 1TB HDD. And I would like to have reliability, performance and storage space from power up and during the whole runing time. During the running ...
1
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0answers
14 views

Outsource mount of HDD

Not sure if this is sane, but. I'm having some issues with a HDD. It is a storage disk - so no system files are located there. The problem is related to read/write errors as these causes kernel ...
1
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1answer
27 views

I/O Failure when overwriting entire disk

I'm trying to write random data over a partition on my local hard disk. I'm booted into a recovery live CD (Clonezilla) and have tried the following: $ dd if=/dev/urandom bs=1024 count=4 | base64 | \ ...
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1answer
49 views

Read ahead setting on Solaris

How to get the current read ahead setting on Solaris? On Linux it can be retrieved like this: # echo $(($(blockdev --getra /dev/sda)*512/1024)) (Assuming that blockdev always returns the read-head ...
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1answer
60 views

Hard drive spins down & back up again every 10 seconds; no access shown in `fatrace`

I'm running Fedora 23 on a low-power hard drive[*]. I can hear the hard drive clicking or spinning down & then back up, approximately every 10 seconds. (And the activity LED flashing). If I log ...
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1answer
87 views

Resize2fs doesn't extend my file system to the size of the partition

I have a 1 TB hdd but when I run df -h my root partition is only 888G big.Parted -l shows the following 3 32.2GB 1000GB 968GB primary raid mdstat shows this md2 : active ...
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0answers
23 views

DCO/HPA issue causing ATA_HDD to report Read_Only (looping)

Unused 320gb Seagate Momentus sataHDD originally from (now unsupported) iomega encrypt caddy. edit: there is no encyrption on the drive, although files remaining in hpa relate to encyrption the drive ...
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1answer
39 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 ...