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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25
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3answers
5k 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 ...
63
votes
8answers
14k 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?
37
votes
9answers
38k 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 ...
37
votes
3answers
10k 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 ...
39
votes
14answers
25k views

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

This question was inspired by http://superuser.com/questions/374386/how-to-store-and-preserve-lots-of-data. There have been other similar questions, but none with the same criteria. This is two ...
48
votes
15answers
9k 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 ...
72
votes
6answers
8k 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, ...
24
votes
8answers
3k 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 ...
11
votes
4answers
9k 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?)
4
votes
2answers
5k 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?
44
votes
7answers
46k views

Disadvantages of partitioning an SSD?

A wise guy who goes by the name of NickN maintains a lenghty forum post on his views about building a powerful computer (directed towards playing Microsoft's Flight Simulator X, a very demanding piece ...
61
votes
6answers
14k 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 ...
9
votes
1answer
4k 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 ...
106
votes
16answers
172k 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
1k 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
617 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 semi-...
39
votes
4answers
23k views

Which of the Windows updates are really necessary?

I downloaded a lot of Windows updates in the automatic mode. Are they all necessary? Can I remove some of them? How do we know which ones are necessary?
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 I'...
6
votes
4answers
3k views

Hook into linux mount/umount event

is there a way to provide post-mount and pre-umount scripts in Linux? I am trying to do some scripts on storage media when mounted and before umounting (eg, for synching). Any help appreciated.
15
votes
7answers
7k views

How long can you read files from a flash drive if kept in a cool, dark room?

Say you had some sensitive information that you didn't want to store on the internet, was incredibly important to you, and you didn't need to access very often either. Think of a digital picture ...
3
votes
4answers
2k 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 ...
2
votes
2answers
84 views

Loss of space on a 16 Gb flash after format

So, I have a friend who has a flash drive that was playing music on a dvd player. Everything was great then all of a sudden it just stopped. First, I tried to do some data recovery on it but the ...
0
votes
2answers
2k views

Is it possible to mark or segregate bad blocks on HDD?

Hello I want to know if is it possible to mark bad blocks on HDD for OS to not use them. I don't want to save data written on this blocks, just want to get rid of them. I found some article where ...
3
votes
2answers
52k views

USB 2.0 and USB 3.0, how can you tell the difference?

I know the speeds would obviously 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 USB flash drive?
1
vote
1answer
50 views

Looking for Clarification on Binary Prefix Logic / History vs. SI Prefix

Recently I've looked into the SI and Binary prefixes used for digital storage / computing in general, and I'm still not sure I understand the logic behind the Binary prefix (actual question at the ...
1
vote
1answer
111 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 ...
31
votes
3answers
34k views

What's the technical difference between a flash drive and an SSD?

I was just reading a question on backups with flash drives, but I was not quite sure why SSDs would be better than flash drives for backups. To me, solid-state drives look like larger versions of ...
12
votes
6answers
12k 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 ...
18
votes
2answers
44k 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?
3
votes
1answer
313 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
2k 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 ...
23
votes
3answers
4k views

Hard drive clicking for 16 times during startup

Sometimes when I boot my laptop the hard drive makes a clicking sound (every time 16 times), Windows does not start and I am stuck on the boot screen (note: F2, F4 or any other key do not respond). ...
13
votes
4answers
7k 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 ...
11
votes
6answers
542 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
8k 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. ...
3
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 ...
11
votes
3answers
38k 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
7k 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 ...
5
votes
4answers
861 views

Covenience/Cost/Life expectancy of storage media [closed]

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
4answers
328 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 ...
4
votes
3answers
4k 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 ...
6
votes
1answer
454 views

Will FreeNAS/ZFS let me manage my storage this way

I'm considering FreeNAS; and want to confirm that my understanding of what I can/can't do with storage in it is correct beforehand. Initial build out: 1 storage pool with 2 x 6TB drives mirroring ...
5
votes
1answer
296 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 ...
4
votes
4answers
783 views

Storage disk format to use to be utilised by all OS [duplicate]

Aiming to have a large internal HDD to store files, and several OSes on separate disks. They all need to read and write to one storage drive. Ubuntu (13.04+) Mac OSX (10.8+) Windows (7+) What ...
4
votes
2answers
203 views

Why does my 500GB hard drive have a capacity of exactly 500,107,862,016 bytes?

Why does my 500 GB hard disk show up to have exactly 500 107 862 016 Byte? I'm aware of the GiB vs. GB issue and know that manufacturers of hard drives use 1000 as ...
3
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 ...
3
votes
1answer
4k views

Incorrect storage calculation on OSX Yosemite

Several days ago my storage started getting full. When I check the Storage tab I get the following picture: My guess is that apps shouldn't be more than around 10GB here, I have no idea where the ...
2
votes
4answers
1k 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 ...
1
vote
6answers
319 views

Software to store frequently used text in PC

I am a looking for a free software that can run on the task bar (near the system time) where I can store frequently used text like my full street address, paths of specific deep folders & files in ...
1
vote
2answers
836 views

Is a RAID controller as easily replaced as a drive?

I'm thinking about setting up my next computer with RAIDed external storage. I've looked into the various kinds of RAID and their advantages and disadvantages, so I'm happy about the various ...