A hard disk drive (or HDD) is a non-volatile, random access device for storing digital data.

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261 views

Getting a 4TB USB drive (4k native sector size) to work with Xen and Windows 2008 guest

I am trying to get a new 4TB Seagate USB drive to work with Xen 6.2 and a Windows 2008 R2 virtual guest. The Xen host sees the drive fine, fdisk -l lists it with the correct capacity, etc. I can ...
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62 views

An internal, Windows 7 installed drive fails to boot after transforming into external drive

I have installed Windows 7 to my HDD. I also have Ubuntu 14.04 on another partition on the same drive. During boot, via GRUB, I select which one I want to load. Recently, I upgraded my HDD to SSD. I ...
2
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432 views

SATA HDD detected in BIOS but not in Windows 8.1

I have a 500GB hard drive that is detected by Windows after boot when connected by USB 3.0 but when I attempt to connect it by SATA, it is not detected by Windows. The SATA power and data cables ...
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1k views

Boot from CD using UEFI instead of BIOS

I have a Lenovo IdeaPad Y510P. This is my last attempt at recovering my computer, as my recovery partitions are gone and I cannot boot into my computer otherwise. I have Windows 8 x64 OEM installed. I ...
2
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119 views

SSD stays inactive during startup/shutdown

This morning I upgraded my laptop replacing the old 5400 rpm hdd with a new SSD (Kingston v300 480gb). Performance look good, both on benchmarks (crystal disk mark) than on personal feel. I'm ...
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110 views

What can be done to reduce Windows 7 system size on an already-installed system?

Typical size of an Ubuntu system: ~4 GB, including filesystem inefficiencies. You can usually fit an archived backup onto a DVD without even compressing it. Typical size of a Windows 7 system: more ...
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257 views

Is my SSD starting to fail?

I have Plextor 256 gb M2P which is only 3 years old. I tried to make a backup image of my system drive with reflect (macrium) and windows backup but it both fails each time with an IO error. Altough ...
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223 views

Combining two disjoint ddrescue backup images

I have a 3 TB drive which recently started to malfunction. I was using the ddrescue utility on Debian to read data off the disk to a different external hard drive. However, after 2 TB of data had been ...
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173 views

38gb of Data Used on Hard Drive with New Installation of Windows 7 Ultimate

I just installed Windows 7 Ultimate edition on a hard drive with 74.5 GB, but as soon as I checked the computer space I found out 38 gigs were used up. Upon further investigation I found these folders ...
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65 views

How to image an internal HDD attached with a usb adapter, then restore image?

My laptop is going into repairs and I don't trust the warranty company not to wipe/ruin my data. I've plugged my drive into my girlfriend's laptop via an Apricon SATA 2.5" adapter. I'd like to ...
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193 views

Reuse broken disk

My Western-Digital hard drive (WDC WD3200BEVT-80A0RT1) got broken yesterday. I don't care about the data on it, but I want to reuse this disk. As long as I do not have Windows installation DVD anymore ...
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748 views

Unable to mount location after installing Linux Mint

I have been using Ubuntu for a while, but I decided to move to Linux Mint. I removed everything and clearly installed it. After the installation there are two parts which are File System and Toshiba. ...
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49 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
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0answers
201 views

My HDD shows up in device manager as Unknown Device

I had a Seagate 1TB HDD in my computer. At that moment the program O&O was running and doing a defrag on that HDD. It's not my primary HDD. However, I did a restart on the computer after stopping ...
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52 views

Dual boot, 4 disks, raid0

I have windows 8.1, and ubuntu 14.04 on the Disk 0. On ubuntu the four disks are merged. on windows i want to merge disks 1,2,3 (the windows half). but when i click to new striped volume, it says ...
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65 views

Is it necessary to do a block copy when replacing Windows OS?

So, here is what I did: I made an image of my 400GB OS partition with the following command: wbAdmin start backup -backupTarget:F: -include:C: I tried to split the partition into C: (100GB)and ...
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417 views

restore failed-error coded=0x3ed (the volume does not contain a recognized file system drivers are loaded and that the volume is not corrputed)

I have an aspire z3101-u4062 that was donated to me. the previous owner pirated movies and went on bad web sites The computer most likely got a nasty virus. I turn on screen it just flashes a small ...
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55 views

Warranty on server grade hard-disks. Is that a good thing?

I couldn't come up with a better question and I hope this does not belong to server fault. Recently I obtained some western digital RED hard-disks, which are specially build for NAS. They come with ...
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37 views

Best practise for debbuging hdd

I just logged onto my machine when suddenly ls gave me an Input/output error. After rebooting the machine /dev/sda1 could not be mounted. dmesg results in : [ 545.691453] EXT4-fs (sda): VFS: Can't ...
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93 views

RAID-0 setup, 1 broken drive, still 1 partition seems unharmed. Why?

It is not my setup and I do not know a lot about RAID, so I have trouble analysing what is going on here: What I observed: Two 1 TB HDDs are in a RAID-0 Array GParted sees 2 (1 TB) partitions ...
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229 views

Missing Hard Drive Space

I tried to shrink my C: drive from 600GB down to 300GB and it worked fine initially. Then I booted into my other OS and shrunk its partition down as well. When I booted back into Windows Disk ...
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630 views

hard drive detected internally but not externally

I have an acer laptop with a WD hard drive I have been using for about a year. Of late I noticed my system slow down dramatically. Further inspection revealed that the hard drive was going bad. The ...
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348 views

Ubuntu freezes when I plug in external hard drive formatted as exFAT

What can be hanging up my system. I thought I went through the necessary steps to enable mounting of an exFAT-formatted hard drive: # Install fuse-exfat and exfat-utils sudo apt-get update sudo ...
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137 views

Preventing unused spare hdd from spinning up during suspend and shutdown

I recently replaced my sata hdd with an ssd, and keeping the hdd in as a spare. It's not used, not event mounted to filesystem. Yet, when suspending or shutting down the system, it quickly spins up, ...
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53 views

Weird HDD Slowdown Issue

I'm experiencing a strange issue with one of my SATA HDDs. Basically I have two internal HDDs that I am connecting to the PC through a SATA-to-USB adapter. I am not keeping them inside the PC since ...
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1k views

Disable all disk cache features in Windows 7

I am doing benchmarking of several algorithms involving read/write to disk. As Windows provides some cache features, sometimes I get results like these : first run of the algorithm : 200 seconds ...
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141 views

Driver detected a controller error on disk that doens't exist

Since a week or so, sometimes when I boot Windows 8 my computers immediately locks up. I can still move the mouse cursor without problems and access some GUI elements without any delay whatsoever, but ...
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675 views

Why would there be two separate recovery partitions

I recently got a new Lenovo Y510P Laptop, with Windows 8.1, a 24 GB SSD drive, and a 1 TB Hard Drive. When I opened up Disk manager, I realized that the Hard Drive was partitioned into six segments: ...
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66 views

Unable to See Partition While Installing Windows XP

Sorry if this has been asked and answered before. I have a 500 GB HDD that had three partitions and am looking to combine into one so I can re-distribute the space and reinstall WinXP and W7 for a ...
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225 views

Safe option to handle NTFS on Mac

What are the risks associated with the following methods and which one is the less likely to damage the OS or the drive? Tuxera/Paragon OSX "native" NTFS support (via terminal tweak) Windows Virtual ...
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73 views

Long response time from HDD

I've faced weird issue with my HDD. I bought it new on august, the model is: WDC WD10EZEX-00RKKA0 After 10 minutes it starts to freezing every time i make any request to HDD. At first i thought it ...
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85 views

Disk Image Clone Issues

So, here's my situation. I have a 1TB HDD that I want to clone onto a much faster 120GB SSD, without particular partitions. The software which came with the SSD, Acronis True Image HD, keeps running ...
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859 views

Too much disk activity READING event logs

On Win 7 SP1 x64, I notice that sometimes the disk gets so busy that Windows becomes unresponsive for minutes at a time. I referenced this problem on SU in the past once. I've since replaced the ...
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0answers
80 views

Can not copy files after installing windows

I am experiencing a weird problem. I was running Xubuntu on my laptop until yesterday that I had to delete Xubuntu and install Windows. I had a NTFS partition on my Xubuntu that I kept some files on ...
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1k views

Clonezilla complaints that the disk is too small by 3 sectors

I made an image of my whole drive last night now I need to restore it back. However CZ complaints that the drive is too small by a crazy tiny margin Destination disk is too small! Destination disk ...
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2k views

Use NTFS HDD with FreeNAS

I'm making my old pc into a FreeNAS server to share my files in my home network. I have the server already up and running ok but I bumped into a problem when I tried to add 2 HDDs. For some years I ...
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273 views

Werster Digital WD20EZRX 2 TB drive not showing in Windows xp but detects in ROM

I have system with Processor: core 2 quad q9650 Motherboard: Intel DG33FB mother Ram: 4GB I have dual operating system Windows Xp pro 32 bit and Windows 7 Ultimate 64 bit operating system installed. ...
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8k views

Error 2100: Detection error on HDD0 (Main HDD) - Lenovo Twist

I have a Lenovo Twist (S230u). When I boot it up, it shows the LENOVO logo, then under that it says ''To interrupt normal startup, press Enter''. Then it says ''2100: Detection error on HDD0 (Main ...
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1k views

Operating System Not Found, Media Test Failure Check Cable, BIOS Shows 10GB HDD Size

I have a Dell Inspiron 1564 laptop. my harddisk partitions are not visible when i try to install OS. In the BIOS the HDD size is 10GB only. But my laptop had 320GB. on boot it shows: PXE ...
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377 views

Rebuilding a RAID 1 without data loss, recover from unallocated partition data

Mobo: ASUS P8Z77-M/Pro Gen 3 RAM: 32GB (4 x 8GB) Power Supply: corsair HX850 HDDs:Configuration before the problem: 1 x 128GB SSD for Windows 7 professional 64-bit 2 x 3TB drives in RAID 1 on the ...
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200 views

Ubuntu 12.04 unable to mount first partition of internal hard drive

I used to have Windows 7 installed, but some day it crashed (or the hard drive crashed, I'm not sure) and the laptop wouldn't boot. So I decided to boot Ubuntu 12.04 from a CD and it worked. For ...
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0answers
488 views

Problems with buffered disk read performance

I have two identical linux boxes (running ubuntu 13.4) with identical hardware including a WDC WD20EARS hard disk. I noticed that my main system got unsually slow and performed a number of HD tests. ...
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0answers
57 views

Hard drive copied itself to another drive

I have 5 hard drives on my computer. The first contains a Windows 7 installation The second and third are drives I use to store data and media. The fourth is an Ubunut installation The fifth is an ...
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1k views

hard drive raw read error rate 9

My main HDD is about 2.5/3 years old. All that time, it has been running with about 40-45 (temperature). I have had a HDD failure before and it was really frustrating, I don't want that to happen ...
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136 views

CFQ hard drive scheduling algorithm

The CFQ algorithm uses an ordered set of queues based on the I/O priority of the processes that made the requests. That means there's a queue for process of priority, let say, 1, another one for ...
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652 views

TrueCrypt system encrypted drive fails to load Windows

I have full system encryption on my Win 7 Pro/64 hdd. I boot the machine and enter the TrueCrypt password, and Windows starts to load but fails with the error message "The boot selection failed ...
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0answers
531 views

Copying certain files between two SSD's is really slow

I have a couple ~1GB folders that I am copying from my 128GB Samsung 830 SSD to my 250GB Samsung 840 SSD (Brand new). It goes at around 250MB/s as expected for the first half, but then it stalls ...
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0answers
67 views

windows 8 & 7 on separate HDDs

I had windows 7 on my old hard drive then I bought a new one so I decided to install a win 8 on it . now I have them on separate disk and if I want to use one I should select that Hdd on setup boot ...
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0answers
86 views

dd backup produces bigger image file

I created a disk image with dd. The hard disk capacity is 2 GB. However, the image produced a 3.8 GB file. I used: dd if=/dev/mmcblk0 > /mnt/sd/disk0.img (where mmcblk0 is a microSD card, with 3 ...
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948 views

New Sony Vaio S15 HDD clicking sound

I have a 3 day old S15 vaio. The performance is ok. No freezing or anything like that. But from the hdd I hear a clicking sound. Not a continuous sound. Typically I hear it when I am not touching ...