Computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data. Data storage is one of the core functions and fundamental components of computers.

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41
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8answers
8k views

Cross-platform file system

I would like my external drives to be readable and writable from Linux, Mac OS X and Windows. FAT32 works, but the 4 GB file size limit is a showstopper these days. Are there any alternatives?
17
votes
2answers
2k views

How do I recover lost/inacessible data from my storage device?

What steps can I take to try to recover lost or inaccessible data from any storage device? Answers: This applies to any main storage devices; eg. internal/external hard drive, USB stick, Flash ...
29
votes
3answers
3k views

What is the difference between a kibibyte, a kilobit, and a kilobyte?

This question got me wondering about the differences between these three ways of measuring size: a kibibyte, a kilobit, and the conventional kilobyte. I understand that these measurements have ...
23
votes
8answers
2k views

Any recommendations on a NAS for a home-super-user? [closed]

Can anyone recommend a good NAS for use in a home-server environment? I would request at least 2, preferably 4 disks, and I am most interested in good to excellent throughput for file-server and ...
18
votes
8answers
17k views

How much time until an unused hard drive loses its data?

Do you guys know how much time needs to pass until the data stored on a hard drive starts to degrade? To keep the data intact for long periods of time, I heard you need to periodically rewrite it on ...
41
votes
15answers
8k views

How to store and preserve lots of data?

I have many DVDs with movies and games, they are getting old and dusty, some of them are damaged. And I have more than 300 GB of general files in my PC. I want to store and preserve all of my data and ...
66
votes
6answers
7k views

What is the origin of K = 1024? [closed]

Why does the discrepancy in the number of bytes in a kilobyte exist? In some places I've seen the number 1024 (210) while in others it's 1000 (and the difference gets increasingly large with M, G, T, ...
20
votes
11answers
11k views

What medium should be used for long term, high volume, data storage (archival)?

This question was inspired by How to store and preserve lots of data? There have been another similar questions, but none with this type of criteria. This is two questions in one. How do you store ...
4
votes
2answers
4k views

What is a USB Wi-Fi dongle device that can emulate virtual mass storage device for a home video player?

What is a USB Wi-Fi dongle device that can emulate a virtual mass storage device for home video player, but in fact it shows the files from a network-shared enter code here folder?
52
votes
5answers
11k views

Why are USB flash drives so much slower than solid-state drives?

From what I understand, USB flash drives and solid-state drives (SSDs) are based on similar technologies, NAND flash memory. But, USB flash drives are usually quite slow, with a read and write speed ...
7
votes
1answer
3k views

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 ...
6
votes
12answers
3k views

What lasts longer: Data stored on non-volatile flash RAM, optical media, or magnetic disk?

What lasts longer: Data stored on non-volatile flash RAM (USB stick or SD cards?), optical media (CD, DVD, or Blu-Ray?), or magnetic disk (floppies, hard drives?) My gut tells me optical media, but ...
8
votes
4answers
5k views

Is the lock mechanism on an SD card hardware, firmware, or software (driver,OS) enforced?

Where is the lock to read-only mode enforced with SD cards? Is this done inside the card itself physically, in the firmware of readers, or in the OS? (Some other place?)
68
votes
11answers
114k views

How to wipe free disk space in Linux?

When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow ...
4
votes
1answer
566 views

Storing a laptop for a month

I won't be using my laptop for a month. I remember I let a laptop sit all summer and the battery failed. How do I store a laptop and battery properly?
5
votes
1answer
489 views

RAID for home use

Read so far most of RAID-related posts on this site, but still several points remain shaded so far. First, my mode of working: I am writing music / doing graphical works, so the RAID is kinda ...
3
votes
3answers
789 views

Send files between two online servers?

Is there a tool which I can user to send files between two remote servers? For example, I have hosting at hostgator and I create a directory there. Then I use that tool to send files from some other ...
10
votes
4answers
275 views

Backing up huge amounts of critical data on a local network

My father is a wedding photographer who produces around 50GB of data a week that needs backing up. He wants to guarantee the data he's backing up for at least a year. Currently he has three off the ...
4
votes
4answers
12k views

Looking for open-source NAS software [closed]

I've got an AMD 64-bit Phenom x3 chip and will be dedicating my computer to all-NAS functions. Mobo has 6 SATA connectors & 2GB. Can you recommend NAS software that can handle staggered spin-up; ...
1
vote
3answers
2k views

How to protect/prevent/lock a Truecrypt volume (container file) against deletion , on an external HDD?

I’ve a Truecrypt volume container file on an external HDD , Though Truecrypt voulmes container files are fully encrypted , they are deletable , just like normal files I want to prevent it from ...
1
vote
1answer
97 views

How much storage am I using?

I am using Objective-C to retrieve some information about the hard drive. I successfully retrieve the amount used in bytes. However I am having trouble converting bytes to gigabytes. When doing this ...
1
vote
2answers
5k views

iPhone/iPod space usage information on the device

iTunes gives an information (capacity bar) of the device (iPod Touch) when connected, with respect to the amount of space used by each category like Audio, Video, Photos, Apps etc. Is there any ...
10
votes
3answers
4k views

Immediately spin down a HDD on Windows

I have 2 non-system SATA HDDs which are not mapped to a dir and normally kept 'offline' on my Windows 7 OS. Even this way they spin up from time to time, including but not limited to windows update ...
3
votes
1answer
179 views

Git vs SVN: website storage efficiency [closed]

I know that SVN (Subversion) stores files' deltas in order to efficiently store data. Git however, is a little more complex. What I'm wondering is that if I were to store plain HTML, image and js ...
10
votes
2answers
1k views

Long-term storage reliability of various media

I’m looking for a reference of statistics on long-term storage/archive reliability for various types of media. That is, I’m looking for information, comparisons, charts, graphs, test results, etc. on ...
8
votes
2answers
21k views

Can I set up a RAID 5 with a bunch of drives of different sizes?

I currently have 3 1TB drives, a couple 500GB ones and some 750GB ones. Can I put them all in a RAID 5 configuration or do they need to be of same size?
10
votes
6answers
525 views

Home media storage solution

I record lots of personal HD film footage and am looking for a cheap way to store all of this. I take ~120 GB of footage each month, so something expandable would be nice... something that might be ...
8
votes
2answers
5k views

Solid State Drive Occasionally Freezes For A Minute While OS Is “Beach Balling”

Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. ...
2
votes
1answer
2k views

Mount “locked” SD card as read-write in GNU/Linux

My Canon PowerShot A470 + CHDK can write to SD-cards that are "locked" (the lock switch is used to make the card bootable), but GNU/Linux `/dev/mmcblk1': Read-only file system (I'm using "Texas ...
8
votes
3answers
23k views

What is the advantage of iSCSI over SMB?

At my house I'm running a Hyper-V server with a Windows Server 2008 R2 VM acting as a file server. Files are shared across my network using SMB. (Also, the machine is using a PERC 6/i RAID card but ...
7
votes
7answers
5k views

Creating one big continuous space from 4 disks

Hey. I am assembling file server for home use. I wonder if it is possible to use multiple disks in a way that they will be visible in network as one continuous space? More less like JBOD. I am using ...
6
votes
4answers
835 views

Covenience/Cost/Life expectancy of storage media

I may decide to pick up the battle of advocating for the use of external hard drives instead of Blu-ray discs for data backup. External hard drive: I can get a commercial (consumer) 1TB hard drive ...
4
votes
3answers
2k views

Is it Bad to fill up my whole C drive (Windows installed drive)

Is it bad to fill up my Windows installed Drive i.e. C:\ . If yes then Why , How much space should I fill , will adding more and more files in the C drive affect my hardware performance. How much ...
4
votes
4answers
299 views

Safest snapshot of a failing harddrive?

I have a headless machine that stopped booting, so I pulled it out for diagnostics and got a message that one of the harddrives was about to fail, so I pulled them all out and I need to get everything ...
2
votes
5answers
11k views

Why does 1KB contain 1024 bytes when 1KB = 1000 bytes? [closed]

Why does 1KB equal 1024 bytes? I know that 1KB also stores 1000 bytes. That is, I've been told that 1Kb equals 1024 bytes, but my professor says that it's 1000 bytes and that Linux doesn't use the ...
1
vote
4answers
533 views

How do I reduce the disk consumption of windows?

On my XP box, my C:\ is running low on space, and after a massive amount of updates, my Windows directory is consuming 10 GB of storage - of that: 4 GB is in the Installer subdirectory or children ...
7
votes
3answers
403 views

Is storage hierarchy the path of data flow?

I was wondering if CPUs read and write data (almost) always following the hierarchy of storage: CPU <- register <- CPU cache memory <- main memory <- secondary storage ? If without ...
7
votes
3answers
191 views

What are typical drive lifetimes?

Can anyone tell me about the lifetime of drives (floppy, hard disk, CD, DVD, flash...)?
4
votes
1answer
168 views

Did disk drives get much faster over the last 10 years?

I wonder how fast the disks were in 2001, 2004, 2007, 2010... I seem now able to make a whopping 80MB per second, although random access time is pretty awful still. Is the speed of drives still ...
3
votes
1answer
3k views

What happens with Windows 8 Storage Spaces if I reinstall Windows?

I'm considering using Windows 8 Storage Spaces to combine disks. What will happen if, for some reason, my OS disk is no longer available. How will a fresh installation of Windows 8 react to an ...
3
votes
2answers
4k views

Can an SSD drive be reused / reformatted after a failure?

Being new to SSD (I don't own/use one, yet), how severe can storage loss be on those drives? I heard that the entire drive can pretty much get lost instantly due to the technology it uses to store ...
1
vote
3answers
2k views

Is NAS limited to the speed of my internet connection?

If I connect a NAS to the internet, and I have 0.5 Mbps (0.0625MBps) upload speed, it would take years to transfer 1 TB of data. Not exaggerating. I want to take minutes not years to transfer ...
1
vote
1answer
2k views

Western Digital 1TB SATAII 64MB freezes or slows down my PC

My new PC frequently freezes every few seconds, or goes slow. Performance is under the typical speed. I'm sure this is not related to an infection after writing on Tom's Hardware Italy. Some kind ...
8
votes
4answers
3k views

Will reading data cause SSD's to wear out?

It's almost common knowledge that excessive writes (including formatting, defragmenting etc) will, in time, wear out solid state drives. But does reading lots of data from SSD's cause wear too? I'm ...
3
votes
3answers
138 views

How to store passwords [closed]

I want to know what the best way is to store secret information (like passwords, passcodes, and ssh keys). Should it be stored on the computer or written down for a home/office use? What is the best ...
2
votes
2answers
14k views

USB 2.0-3.0, how do you tell the difference?

I know obviously speeds would be a key factor, but is there any spot on way to tell if a device is USB 2.0 or 3.0 such as a flash drive.
2
votes
4answers
496 views

How do computers permanently store data? [duplicate]

Possible Duplicate: Where do deleted items go on the hard drive? I've heard several times that when you delete a file, even after removing it from the Recycle Bin, it is still permanently ...
2
votes
6answers
358 views

Disaster recovery backup of files/photos for personal use

I'm looking for the best method to store a backup of important files and 5+ years of digital photos that is safe from some type of fire/flood disaster in my home. I'm looking for: Affordable: Less ...
2
votes
4answers
3k views

More detailed report for iTunes “Capacity” bar for iPhone / iPod

When I plug my iPhone into iTunes, I see a horizontal "bar" labeled capacity. That bar shows me the space used for "audio", "video","photos", "Apps", "Other" and "Free". Is there a tool (on Mac/win ...
1
vote
1answer
399 views

Drive not able to be added to Storage Spaces

I am having difficulties trying to create a storage space. I have four Hard Drives in my computer. Samsung 128Gb SSD x2 Caviar Green 2TB Older 320 Gb drive I want to merge the two last ones. The ...