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

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82 views

Size on disk way bigger than expected

I have read Why is there such a big difference between "Size" and "Size on disk"? but why is mine so different? My RAID5 is set at 128kb stripe, the volume is formatted at 64kb NTFS. I would expect ...
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855 views

hdd recognized as ssd after windows 10 update

I received the Windows 10 update and installed it without any problems to a Lenovo computer running Windows 7. So far, everything works fine except that when I go to defragment the drive, the media ...
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784 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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981 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 ...
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3k 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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217 views

Is there a way to verify the integrity of a rsnapshot backups?

I'm using rsnapshot to make daily backups to a second hdd. But how can I make sure, that no file in my backup is corrupted? If I use the checksum option from rsync, the whole backup will take much ...
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911 views

mdadm RAID monitoring no DegradedArray email

So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working. The system in question is a ...
4
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105 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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41 views

Formatting a 3TB hard drive for media

I recently bought a 3TB internal SATA hard drive. This drive is strictly for my Anime collection. I want to use it to store my huge media (Video|Audio) collection. I don't have executables. I don't ...
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40 views

Windows 10: make drive letter unavailable

On my Windows 10 system I have the following drive letters assigned:C:\ SSD (The system drive)D:\ HDD (has junction from C:\Users)E:\ Blu-Ray optical driveF:\ DVD optical driveG:\ external HDDI:\ ...
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41 views

SSD HD works for 10 seconds and shuts down

I used Samsung MZ7LN256HCHP SSD Hard-Drive for quite a while. Yesterday it broke. It didn't turned on the operation system (windows 10) and just stuck on loading. On rare cases it did turned it on, ...
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84 views

Cloned CentOS not booting up

I recently cloned a CentOS6 environment from 1TB HDD and intended to restore its image to a 4 TB space. I used Clonezilla for this. The clone went successful, but after that when I tried to restore ...
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85 views

Clonezilla disk to image speed decreasing over time

I am actually backing my whole 2tb disk using Clonezilla disk-to-image option. I don't use any encryption or anything that I know that could slow down the process, and yet, Clonezilla tells me that ...
3
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0answers
94 views

What causes this HDD sector damage pattern?

Out of curiosity, I ran GNU ddrescue on a Seagate ST1000LM024 HN-M101MBB hard drive with known bad sectors, and then I visualized the ddrescue mapfile with ddrescueview. When I zoomed in, this ...
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votes
0answers
59 views

Which hard drive is in better condition according to the tests performed?

I have two hard drives, both 500GB Samsung, but it catches my attention that when I test the disk performance, the graph of the results show a very different behavior ... What could this mean? Which ...
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235 views

Ridiculously slow read/write between two SSDs (Linux)

So I have a Kingston SSD (120Gb HyperX 3K; SH103S3/120G) that is about two years old and just picked up a new Kingston SSD (240GB SSDNow V300; SV300S37A/240G) to go along with it. I’m trying to ...
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0answers
732 views

How do we check the hard disc health on a Surface Pro 3?

I am running Windows 10 on the Surface Pro 3. I would like to check the health of the hard disc, because some WinSxS files have become corrupted. How does one do this? I have read Tool to test HDD ...
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0answers
241 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 ...
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175 views

GNU ddrescue imaging of failing hard drive is extremely slow

My friend has a (nearly full) failing 1 TB Western Digital My Passport. It will only occasionally mount on my MacBook, and refuses outright to mount on my Ubuntu box. I'm trying to use GNU ddrescue 1....
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117 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 http://www.amazon.co.uk/gp/product/B00VR52ZZ0?psc=1&...
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755 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 ...
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4k 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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806 views

NASWare vs. NASWare 2.0

Can someone outline the difference between WD's original NASWare firmware and the new NASWare 2.0, used in their RED-series HDD's? I can only seem to find features of the new NASWare 2.0.
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619 views

Windows 7 Lagging with multiple disks

I have an EVGA SR2 build with two Intel Xeon X5680, 48GB ram OCZ Reaper HPC Series at 1600 MHz running on Windows 7 x64 Proffesional. My bootable hard drive is an OCZ Vertex II 120GB and I have an ...
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372 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. ...
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25 views

Is it possible to repair Win7 disk which is now seen as uninitialized by Windows?

After hibernation, which always worked without incident, the computer would not reboot. Instead it would flash the screen, go black, and repeat. When attached to another computer, the disk was seen as ...
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18 views

Hard drive physical read error, how to find out which files affected?

My HDD is starting to go bad. So I'm cloning it to a new drive using HDDRawCopy. In the process, there are several read errors (from bad sectors?). The question is, how do I go about to finding out ...
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67 views

Why have multiple PNG files been transformed to glitches on the external hard drive?

Pictures have been made and edited using Adobe Photoshop and saved as PNG on a MacBook If the hard drive of the PC is almost full the edited pictures will be copied to an external hard drive in order ...
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0answers
128 views

Copying files from ext4 to NTFS

I am trying to copy some files from an Ubuntu-based (ext4) external drive I have to my NTFS external drive. I opened up ext4 hard drive in Windows (it's read only) and started copy / pasting to NTFS. ...
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0answers
30 views

btrfs RAID-1 size

I have a btrfs raid1 filesystem with a couple of disks 1TB 2TB 2TB 2TB 5TB which should result in a total of a 6TB RAID-1 array. The result of the http://carfax.org.uk/btrfs-usage/ Total space ...
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75 views

Clone multiple partitions to slightly smaller hard drive

I've a Windows 7 / Linux dual boot on a 512GB SSD (such an awkward size). The SSD was an upgrade from my HP Probook 4720's 500GB HD. When doing the upgrade I was cloning from a smaller drive to a ...
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78 views

Powerful disk editor for linux like Acronis Disk Editor

I would like to have a powerfull disk viewer / editor (raw hex editor) like Acronis Disk Editor. It shows the absolute sector, cilinder, head and relative sector for the part you are looking at, and ...
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25 views

Any good reason to slice a LUN and create several VGs instead of create just one VG?

I'm the new administrator for a Linux RHEL box which uses a fibre channel 1-TB LUN disk. I find amazing the following: this LUN has been sliced by means of GNU parted(1), then each slice is turned ...
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0answers
169 views

Windows 10: “inaccessible boot device” error

I've just updated to W10 and all was working good, then for a reason tied with my video card (driver nvidia stopped working and has been...) the PC froze and I had to shut it down using the power ...
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0answers
145 views

HDD led blinking without writes, why?

I bought refurbished Dell laptop with SSD and began worried about SSD life etc, especially when I saw how Chrome writes cache (hdd led blinks) every time when I load a page. What I did, based on this ...
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0answers
26 views

Restoring boot manager for secondary harddrive with windows 7 installed

A while back I took the hard drive out of my laptop and put it on my computer. I never got round to removing the windows install but removed the partition. I now need access to windows 7 so I thought ...
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247 views

Is a VeraCrypt partition slower?

I just got a new external hard drive. I want to create an encrypted partition on it with VeraCrypt. I did the same thing with a similar drive. I just copied a file over to it and the speed was about ...
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38 views

What is the best way to access data by two computers?

Currently I have a single PC with all the data located in the internal Hard Drive. This PC is constantly busy optimizing data on the hard drive. Most the files on the internal Hard Drive are about 5 ...
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0answers
45 views

OSX SSD huge amount of writes

I have a Mac retina Early 2015 model with 128gb SSD. According to a teardown from fixit, I have a MLC model, which is the worst in terms of SSD lifetime. I am a developer and actively use Android ...
2
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0answers
119 views

Unrecognized 2TB 2,5" HDD and floppy: error -5 while reading block 0 errors in Linux under VM Ware

I’ve recently bought a 2TB 2.5" external hard drive (Seagate Expansion Portable STBX2000401). I have a problem with this drive, Linux doesn’t recognize it (I am using VM Ware on Mac OS X). When I ...
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votes
0answers
170 views

Restore password protected SSD

I've got a broken PC which had a LITE-ON LCT-128M3S solid state drive that I would try to throw in my own PC but when I turn on the PC (Even before the opportunity to go into the BIOS ) it asks for a ...
2
votes
0answers
247 views

GPT disk created in Windows 7 not properly recognised by Windows 10

I have an internal 3 terabyte WD Black disk that was set up as GPT (presumably?) and formatted with one NTFS partition spanning the entire disk under Windows 7. After upgrading to Windows 10, the ...
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votes
0answers
74 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 ...
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votes
0answers
186 views

Boot Windows 8 from HDD connected via USB port: OS not found error

I have internal SSD in my PC(I have installed Ubuntu 14.04 on SSD). So I disassembled its HDD which has pre-installed Windows 8. So I want to boot my licensed and pre-installed Windows via USB. I ...
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0answers
69 views

Shrinking NTFS partition: numerical result out of range error

I have a NTFS partition on my 2TB hard disk. Currently it is 1.7TB big, and there's some unallocated space to the right of it of about 100GB. There are no other partitions on the disk. I would like ...
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0answers
69 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 ...
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0answers
105 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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votes
0answers
93 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 ...
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0answers
236 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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407 views

Debian extremely slow resume after hibernate

I have a very irritating issue with my Debian 8: resume after hibernate takes from 5 to 10 minutes. During resume time system shows me picture on a display but not respond, cursor are not moving, ...