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

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Windows XP changes its theme every time after reboot

I have an ASUS Eee netbook with Windows XP installed on it. Ever since I switched to an SSD drive, Windows XP has been doing something strange; Almost every time I reboot my computer, it changes my ...
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2answers
707 views

Seeking (somewhat) better explanations about supporting >2 TB hard drives

Today while Googling about I stumbled across posts claiming that Seagate plans to ship a 3TB drive sometime later in 2010. Unfortunately, the stuff I looked at all seemed to contain tidbits of info ...
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1answer
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Can I connect a SATA-II hard drive to a SATA-I connection?

I have an older computer with a SATA-I connection. My hard drive crashed and I need to buy a new hard drive. Will I run into problems if I connect a SATA-II drive to my computer?
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Unable to Write Zeros to Bad Sectors/Hard Disk Not Counting Reallocated Sectors

I have a drive that is reporting that the current pending sectors is "45". I have used badblocks to identify the sectors and I have been trying to write zeros to them with dd. From what I understand, ...
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3answers
5k views

Force spin-down of external hard-drive on linux (raspberry pi)

I'm currently setting up a home-server using a Raspberry Pi with an external hard-disk connected via usb. However, my hard-drive will never spin down when being idle. I tried already the hints ...
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2answers
227 views

How is the interference of magnetic field of adjacent platters managed?

I know roughly how hard-drives work; that the hard-drive involves multiple platters and multiple heads. A platter is a disk coated with some magnetic material and capable of being spun at high RPM. ...
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3answers
308 views

How should I image a hard drive in a platform independent and future-proof manner?

What methods of producing hard drive images stand out with regards to being platform independent and standing a good chance of usability in the future. Some considerations: Can the imaging program ...
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3answers
7k views

How can I find out what is using the hard disk? [duplicate]

Possible Duplicates: hard drive activity by program? What is causing hard drive grinding? Once or twice a day my computer starts writing significantly hard to the hard drive, the HD led ...
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3answers
721 views

How to disable kernel probing for drive?

I have samsung laptop with 30GB ExpressCache SanDisk SSD soldered on mainbord. SSD died (gives tons of errors when i try to access it somehow), but it is still probed on kernel boot, i see it's ...
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1answer
5k views

Windows 7 loses drive letter mapping on reboot

I have two sata hard drives configured as RAID1 that I am using as a data drive in my Win7 system. The OS is installed on a non-raid SSD drive. After installing the OS and starting Win7 for the ...
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1answer
3k views

How to cancel Windows 8 drive repair

Windows detected an error on one of my nonessential drives in my desktop PC. It said it needed to reboot to fix the errors, so I rebooted and it started scanning the drive. However it is taking a very ...
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1answer
473 views

Drobo-FS config files exhibiting input/ouput error

I have a Drobo-FS with DropBear installed via DroboApps which allows me SSH access into the linux operating system which powers the Drobo-FS. The Drobo-FS file system has a directory which looks like ...
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All my files have been replaced by a found.000 “empty folder”. How can I recover my data?

Five minutes ago I was browsing my external hard drive. Now, I have only one folder named "found.000" that I cannot read, open nor browse. I have important work on my external hard drive. Is there a ...
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3answers
555 views

What type of 2.5" drive is this, is it ide?

Trying find out what type of drive I have in my laptop. Is just died and I'm keen to find out what sort it is ? Heres a photo...
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2answers
698 views

Partitioning a hard drive

Is there a way to split a hard drive into more than 4 primary partitions? I am installing multiple OSs, and it would make life a lot easier if there was a way to do this. My hard drive is 1TB.
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4answers
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What's a fast way to copy a lot of files from an internal hard-drive to external (USB) storage?

I have a large amount of data - about 500 GB - on the internal hard drive of a desktop PC. This includes music, videos, PDFs... you name it. I want to copy everything to an external USB hard drive ...
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3answers
23k views

Chkdsk Questions

Recently in running chkdsk /r on my system drive (platter drive, Windows 7 Ultimate 64bit) I've gotten back "4 EA records processed" and "76 reparse records processed". Am I right in assuming these ...
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Are there big differences in speed between different hard drives?

When buying a (consumer-level) hard disk, I normally only pay attention to storage capacity. Is it worth to compare drive speeds also, and if yes, how can this be done?
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349 views

SSD Perfomance - Internal vs External?

I got a SSD for Christmas and it came with the option to have it installed internally or externally. I'm wondering if I have it setup as an external hard drive, will there be any major performance ...
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4answers
1k views

What's the easiest way to migrate one Mac OS X volume to another

I want to move a volume from a smaller drive to a larger unformatted one. What is the best way to achieve this? Ideally I'd like the new volume to have the same name as the older volume as it contains ...
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3answers
1k views

How to access files and folders in a damaged hard disk?

I have got a hard disk with problems. HD Tune shows a lot of bad blocks and CHKDSK fix it, but the disk isn't accessible via Windows Explorer. I will replace that disk, but I need recover some files ...
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3answers
494 views

How do I get rid of this old hard drive in my machine?

I bought it about 5 years ago and it came bundled with Windows Vista. When Windows 7 launched, I waited a bit then realized it would rock with an SSD. So I bought an SSD and added it as my primary ...
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5answers
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How do I mount a HFS+ dd image in OSX?

I had an HFS+ formatted drive that was going bad and wouldn't mount at all on OSX. I created an image using ddrescue on linux, and was able to save most of it. I can mount the drive and see the data ...
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Full physical hd check

I would like to run a full, sector-by-sector, physical check on some external hard drives. As far as I know,chkdsk does not supply this option. Is there a workaround under chkdsk, or a good ...
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2answers
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Should I install my operating system on my SSD or HDD?

I'm currently deciding whether to install my Operating System on my SSD (solid state drive) or HD (hard drive). Will I be having programs on the HDD and the OS on the SSD or vice verca? Which will ...
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8answers
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Is it possible to copy all Windows 7 files from one HD to another and boot from the new HD?

Well, the hard-drive on my laptop died (it was displaying "SMART failure prediction -- Hard-disk Drive dailure might be imminant). So I took it out and hooked it up to an external enclosure and ...
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3answers
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Can I change from BIOS IDE mode to AHCI mode at any time? [duplicate]

Currently my Windows 7 computer is crashing during startup, after loading the AMD achix64s.sys driver, if I enable BIOS AHCI mode for the disks. It boots fine with IDE mode. Since I need my computer ...
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2answers
1k views

S.M.A.R.T. Hard drive failure test?

I'm working on my mom's computer and she freaked because it told her "There was an imminent hard drive failure about to occurr." I did some digging and found it was related to the S.M.A.R.T. ...
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986 views

hard drive sectors vs. tracks

In one rotation, how many sectors are passed over and how many tracks are passed over? If you know the average value of sectors per track for a hard drive, how do you use this to estimate the number ...
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3answers
535 views

I emptied my hard drive, but it still has 9GB on it

I have a secondary disk drive 465GB as reported by Windows explorer. I'm going to install a secondary O/S on it, so I moved EVERYTHING on it to another drive. Windows explorer STILL reports 9.27GB ...
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3answers
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What happens when windows runs out of drive letters? [duplicate]

Possible Duplicate: What if the hard disk is partitioned into more than 26 sections in Windows? What happens when windows runs out of drive letters? I searched Google and got no definite ...
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Can you clone a larger drive onto a smaller drive (used space fits on the smaller)

I have a 500GB drive which is about 50GB full, I got a 80GB SSD, which has 74.5GB of available space. I want to clone the system drive onto the SSD. DriveImage XML will not let me copy a larger ...
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Use physical harddisk in Virtual Box

Using Virtual Box, how can I install an OS to a secondary, physical disk, and boot it in both (at separate times) Virtual Box, and as a typical secondary OS install?
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SSD with multiple partitions - disk life implications

Each block on a SSD has a finite number of writes. This is mitigated on modern drives by "spreading" the writes around as you use the drive. I'm wondering if you partition a SSD into several ...
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1answer
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Linux: What is the best way to copy from a damaged HD?

I get I/O errors from my storage HD when i try to copy files. These are large raw video files, so I can tolerate errors. cp stops on the first read error and scp/rsync complains and deletes the copy. ...
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1answer
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Western Digital Green drive from 512 byte sectors (jumpered) to 4k byte sectors (removal of jumper)

I was using a WD20EARS drive with pins 7 and 8 jumpered in order to use it on an OS that doesn't support 4k sectors. But now, I want to transfer that hard drive over to an OS that has 4k sector ...
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4answers
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Spin down secondary HDD on Windows 7 HP Notebook

I have an HPdv6t quad notebook with Windows 7 and Ubuntu 11.04 dual booted, both OSes installed on a partitioned Crucial 128 GB SSD. I replaced my optical drive with the HDD that came with the ...
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4answers
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Do operating systems run faster on smaller hard disk partitions?

If I partition my hard disk, is my computer going to perform faster/better? In other words, the smaller the active partition is (the partition with the operating system), the faster the operating ...
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Possible to force all disk activity to RAM?

I want to tell the operating system to stop using my hard disk and only use RAM as a cache instead. Optimally, I want to tell Windows to: a) pre-cache executable images and necessary bootstrap data ...
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3answers
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What's the difference between 8 MB and 16 MB Cache on a hard drive?

I'm looking to replace a dead hard drive in an older notebook. The current (bad) hard drive is a Toshiba 60 GB 5400 RPM HDD with 16 MB cache. It's very difficult to find replacement ATA-100 notebook ...
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2answers
1k views

Trying to remove/diagnose single Current_Pending_Sector in S.M.A.R.T. data

I'm in a process of doing a fresh Linux install and before I went to do that I thought that it is a good time to verify HDD health since I can safely overwrite any data on the HDD if needed. First ...
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1answer
776 views

btrfs: HUGE metadata allocated

I have a 256GB SSD disk on which I converted my ext4 root FS to btrfs. I erased the ext4 backup subvolume, enabled compression and defragmented recursively to enable it on all files. btrfs fi df / ...
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1answer
634 views

Will a hard drive use less power if it is unmounted?

I recently did the Optibay mod on my 13" Macbook Pro, the stock magnetic drives now lives where the optical drive used to be. And an SSD has taken its place. It's all good, but power consumption ...
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3answers
2k views

How do I change the space I allocated to my virtual hard drive in VirtualBox?

I have a Windows 7 64-bit virtual machine running inside VirtualBox. When I first setup the system I gave the virtual hard drive 20GB of space to work with, but I also set it to dynamically expand (or ...
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5answers
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Macbook Pro keeps ejecting anything I put into the internal optical drive

My hard disk crashed and I need to reinstall Mac OS X. I restart, insert the installation DVD, press c on the keyboard and the dvd ejects. I've tried different DVDs, even CDs. It's a Macbook Pro from ...
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2answers
407 views

Strange performance of SSD

My SSD (on Windows XP) is working well, however, I get the following strange results from Crystal Mark 2004R3: 236 MB/s for sequential read 59 MB/s for sequential write 168 MB/s for random read ...
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What advantages and disadvantages have Hybrid SSD/HDD RAIDs

I just read about Hybrid RAID arrays consisting of SSDs and common HDDs which are supported by Adaptec's RAID controllers. Does such a RAID configuration provide real advantage? Isn't write ...
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5answers
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Does the order of partitions matter?

I see that most people tend to make /boot, swap, Windows System partition, etc first. And some say that it'll be faster to do so, while others say 'outer tracks' faster. Could you tell me which one ...
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3answers
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Internal SATA hard disk shows up as removable device on Windows 7

I am running Windows 7 on an Acer Aspire M7720 with three internal SATA drives; drive #2 and #3 are on a removable HDD rack. Drive #3 (on the second removable HDD rack) shows up as removable device ...
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3answers
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How mSSD Hard Drive Acceleration Cache improves performance?

I am looking forward to buy a laptop and while configuring online from HP's site for model dv6tqe ...