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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22
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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 ...
62
votes
8answers
13k 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?
36
votes
9answers
36k 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
9k 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 ...
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 ...
24
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 ...
39
votes
14answers
23k 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 ...
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, ...
11
votes
4answers
8k 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?
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 ...
18
votes
3answers
41k 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 ...
39
votes
4answers
22k 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?
9
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 ...
102
votes
16answers
167k 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?
3
votes
4answers
1k 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 ...
5
votes
1answer
607 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 ...
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 ...
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 ...
10
votes
4answers
292 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 ...
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.
5
votes
1answer
9k views

Why SAS SSDs are better than SATA SSDs? Or…not really?

I read a lot about the differences between Serial ATA, Serial-Attached SCSI and Near-Line SAS. I understood that SATA drives are mainly used in client computers, enterprise archive storage arrays, ...
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 ...
2
votes
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
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 ...
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 ...
198
votes
10answers
55k views

Is there still a reason to choose a 10,000 RPM hard drive over an SSD?

For anyone who's serious about storage performance, SSDs are always the fastest solution. However, WD still makes their 10,000 RPM VelociRaptor hard drives, and a few enthusiasts even use ...
12
votes
3answers
11k 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 ...
26
votes
3answers
27k 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 ...
16
votes
2answers
42k 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
301 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 ...
22
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). ...
12
votes
6answers
6k views

Is there any P2P private file storage? [closed]

I would like to upload my private encrypted files to the cloud. However I don't want to rely on a company to do this, such as Dropbox. If I share it on a P2P network (such as using torrents) nobody ...
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 ...
12
votes
4answers
6k 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
3answers
37k 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 ...
8
votes
3answers
281 views

Video encoding for archival

I would like to archive some home videos (DV). I don't need to save them losslessly, but I would like to encode them in something high-quality. What format is both pretty indistinguishable from the ...
7
votes
3answers
213 views

What are typical drive lifetimes?

Can anyone tell me about the lifetime of drives (floppy, hard disk, CD, DVD, flash...)?
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
860 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
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 ...
4
votes
4answers
325 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 ...
1
vote
4answers
555 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 ...
6
votes
1answer
393 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 ...
6
votes
1answer
5k 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 ...