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

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Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...
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414 views

Why won't my SSD boot when it's cold?

I know that some SSDs rarely have an issue with "cold boots" under certain firmware and software configurations. However in this case I have had two SSDs (different brands) that would literally not ...
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2k views

Windows 8.1 - Why are there multiple recovery partitions in the system?

DISKPART> list partition Partition ### Type Size Offset ------------- ---------------- ------- ------- Partition 1 System 500 MB 1024 KB Partition 2 OEM ...
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96 views

PC won't boot from flash drive after computer hibernated (grub on hdd corrupt too)

I had 3 OS installed: Windows 7 , Fedora 17 and Mageia 2 in my Acer Aspire 4253 laptop. I deleted the partition of Mageia and my grub got corrupted. I didn't have an installation DVD of either Win7 ...
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0answers
3k views

Windows 8.1 fails to optimize System Reserved partition

I have Windows 8.1 Professional x64 running from a 256GB OCZ Vertex 4 SSD. Windows has divided the drive in to two partitions: System Reserved (350MB NTFS) C: (238.13GB NTFS) Whenever Windows ...
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348 views

Data Recovery using testDisk failing

Continuation of this question: I am trying to recover an accidentally formatted partition using TestDisk. After selecting the partition and selecting Undeleted, it says, No deleted file found. ...
2
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0answers
35 views

Slow reading file data

I've worked on systems for quite a few years now and this one has me pretty baffled. I'm running Windows 8.1 and recently (I know for certain this problem didn't occur 1 week ago at least) all ...
2
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0answers
92 views

Intel RST driver - magic performance boost (only) up till version 11.2.0?

what's the magic behind the massive write speed performance boost by intel RST drivers up till and including version 11.2.0? i have done some performance measurements of my application that is ...
2
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41 views

SSD Won't Initialze

I bought a bare bones computer with 1TB HDD and 250GB SSD in it. I would like to install windows on the SSD and leave the HDD for files. When I installed windows it asked me what disk I would like ...
2
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0answers
32 views

Windows Server 2003 R2 Assigned Letter C to System Reserved Partition

I have a Windows 2003 R2 server that installed a System Reserved Partition of 100MB and the Boot Partition on Disk 0. For some unknown reason, the System Reserved partition is assigned drive letter C. ...
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25 views

How can i get itunes to backup my iphone with limited disk. I linked the backup dir to an ext drive with space yet still won't backup?

On OSX yosemite, a machine with limited disk space free. In order to backup my iphone, I've linked the ~/Library/Application Support/MobileSync/Backup dir to an external drive. iTunes, correctly ...
2
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60 views

What grade of Neodymium magnets are commonly used in hard drives?

What grade of Neodymium magnets are commonly used in hard drives? Is this higher than N38? Or because of the possible heat in hard drives, at least N42SH is needed?
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65 views

Laptop died after using a SATA/IDE USB hard drive converter

So I think I have done something very bad, I have a HP laptop and wanted to recover some data from some old SATA and IDE drives. I Bought this ...
2
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0answers
38 views

BIOS hangs when SATA drive is attached, works with hotplug

The American Megatrends BIOS (latest version as of manufacturer) of a Shuttle XPC SH87R6 hangs at the very beginning (not even showing the CPU type) whenever a WD 3.0TB SATA harddisk is attached. It's ...
2
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0answers
44 views

USB 3.0 Trouble

I am using a WD Elements Portable 1TB USB 3.0 2.5" disk bought in May 2014 to backup data of my desktop machine. rsync runs smoothly without any error messages. However upon restoring data from the ...
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34 views

Cloning Cloned HDD's

One thing I do for my job team is create master hard drives for a software platform that they develop for. We get these installer disks that are inserted into a machine (laptops in this case), which ...
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0answers
67 views

Repairing System Reserved on Windows Server 2012 R2

I am running Windows Server Essentials R2 and I have just started getting an error saying: One or more server hard drives must be checked for errors Alert details: The following hard drives ...
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0answers
28 views

Can I move a partition on a virtual disk to physical disk?

When installing Windows 7 64-bit three years ago on my new build, I had to use a software tool (Seagate DiskWizard) to create a 'virtual' hard drive as I was using a 3TB drive (over the 2TB supported ...
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29 views

How to interpret these SMART values?

The other day I checked my SMART stats and noticed a nonzero reallocated sector count using smartmontools. About a day or two ago it showed as "16 (0 2)" and now shows as "24 (0 3)". Similarly the ...
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1k views

TestDisk Read error at **/241/1 (lba=15183)

After my HDD got broken, Windows says it needs format. So, I'm using TestDisk to fix it. But a read error always occurs when I execute the Quick Search or the Deep Search process. To get one ...
2
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0answers
56 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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0answers
267 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 ...
2
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546 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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0answers
98 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 ...
2
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76 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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106 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 ...
2
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114 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 ...
2
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0answers
120 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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48 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 ...
2
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0answers
138 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 ...
2
votes
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409 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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39 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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78 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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46 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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51 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 ...
2
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286 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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52 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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32 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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78 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 ...
2
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0answers
525 views

HDD very slow performance after full copy from SSD

The PC: Core i7-4770, 16GB RAM. There are 120GB SSD and 1TB HDD (new without any bads). On the SSD I had Windows 8.1 installed with all other stuff. Someday all programs exceeded 120GB limit and I ...
2
votes
0answers
194 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 ...
2
votes
0answers
423 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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votes
0answers
108 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, ...
2
votes
0answers
97 views

Userspace manipulation of partition and disk images

On a Linux system, is it possible to use only user-space tools to create and manipulate partition images (which will probably only have ext2 filesystems on them) and then take those partition images ...
2
votes
0answers
49 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 ...
2
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0answers
94 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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431 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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0answers
138 views

btrfs does not show drive as missing

I am trying out btrfs and I noticed some funny behaviour: I have two drives in a raid 1 configuration. sudo btrfs fi show Label: none uuid: 52b9c6f6-ce5c-4727-861e-e2fd012e475f Total devices 2 ...
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votes
0answers
44 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 ...
2
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0answers
587 views

Error mounting external hard drive

When I tried mounting an external hard drive connected via usb I got the error quoted below. So far I've tried using ntfsfix and chkdsk. My operating system is Arch Linux and the drive is NTFS ...