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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What is the state of the art in hardware for data error correction?

A decade (or more) ago when shopping for RAM one often had the option of specifying "server-grade" memory with an extra Error Correction Code (ECC). I haven't seen that as an explicit option in ...
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0answers
18 views

Ant infestation in keyboard [duplicate]

I have problems with ants in my keyboard. My [fn] key [ctrl] key and [shift] key has been infested with ants. When I clicked the key a couple of times many of them got out. I can see that there are ...
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1answer
25 views

Will having multiple user accounts on my PC take up more space than having just one?

Will having multiple user accounts on my PC take up a lot more hard disk space than having just one?
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1answer
78 views

External storage doesn't show up in pc or disk manager

When I plug in my external HDD the LED on the disk lights up but i can't see it in my PC/DISKPART/DISK MANAGEMENT. I tried all the ports on my computer but it doesn't show up.Help please. HDD:- ...
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0answers
63 views

Can FreeNAS be implemented on Amazon AWS?

Soon, I will be migrating my data to cloud. Therefore I'd like to know if I could implement FreeNAS on the cloud, i.e., Amazon AWS. Currently, I can only see FreeBSD AMI available in the Amazon ...
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3answers
29 views

Why is storage and transfer given in bytes?

As I understand it a storage device has x amount of bits which can be used for storage. Various software will store binary code in 32 or 64 bit, and some basics text files are just stored in 8bit ...
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41 views

Where are my passwords stored in browser?

When i click the remember me radio while signing into a web application, I know that my password is saved into somewhere inside my browser. I want to know the exact location of that file in my OS ...
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2answers
44 views

How to find out what is taking up my Mac storage?

So when I went to see how much storage I had left I see only 2.55 GB? This is because I apparently have taken up 100.15 GB of other. I don't believe this as I just purchased this Mac in July. ...
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0answers
24 views

Pros & Cons on setting up JBOD in BIOS or in Windows [closed]

I'm creating a storage, that means the OS isn't on these disks. So I was wondering what the differences was between setting up a JBOD in the BIOS or in windows. To me it seems like there's only ...
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0answers
9 views

HDFS with small block size

Does anybody run HDFS with small block size in production? Under "small" I mean just like usual FS. Say, 4Kb. While it looks like going against main HDFS principles, I think it may be a good solution ...
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0answers
42 views

OS equivalent of cookies [closed]

I am playing a MMORPG where I have to start a game client executable, and login through that game client. Somehow this game client manages to save my Username after I login with one. At first I ...
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2answers
55 views

WD My Passport read error

I cannot access my WD passport. It keeps bleeping and the white light continually flashes. The PC immediately reports that E drive cannot be accessed due to I/O error. I have tried all the basic ...
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2answers
211 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 ...
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0answers
51 views

Optimal Environment for Secondary Storage [closed]

What's the best temperature/light/humidity exposure for secondary storage (USB/Flash Drives/SSDs), to mitigate the probability of data loss over time? I'm using SD cards to backup data and would ...
2
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1answer
154 views

Rebalance hard drives in a Storage Space Pool?

I have 2x 1.5TB drives in a (two-way mirror storage pool). That pool recently hit 100% capacity meaning both drives had 0% space left. I added 2x 4TB drives to the storage pool but Storage space ...
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0answers
16 views

What's the simplest way to trace a Linux mountpoint through VWware to a physical disk

I'm in a RHEL box with a number of filesystems mounted, including /dev/sda1, /dev/sdb1, and a bunch of /dev/mapper/XXX (and I have not previously encountered device mapper). I am not a sudo-er. The ...
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0answers
487 views

ext4 vs btrfs performance on SSD array

I am observing something that I cannot explain. I am trying to come up with a good filesystem configuration using HP P420i controller and SSDs. Out of curiosity I have tried BTRFS (still unstable so I ...
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0answers
66 views

Ubuntu 14.04 says insufficient memory in my /boot memory alocation while updating

I am new to Linux platform. I just tried installing Ubuntu alongside windows but allocated only 200 mb to the /boot partition which is not recommended. Now Ubuntu software update keep on insists me no ...
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0answers
38 views

Difference between logical volume and physical volume

These are various terms used in Storage virtualization which can be very confusing as to their hierarchies and meaning. Please explain each of the following terms and the difference between them if ...
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0answers
145 views

Multiple folders sync to multiple Onedrives [duplicate]

Ok so I know this is a little bit out there and probably not possible, but I thought I would check. My workplace now has Office 365 and we would like to know if it is possible to sync folders to ...
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0answers
64 views

iSCSI drives not reconnecting on reboot

So, I have two iSCSI target drives attached to my Windows 7 x64 Ultimate install. Every time I reboot my machine, for some odd reason the drives in the iSCSI initiator show a status of reconnecting ...
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1answer
38 views

How do I deal with BTRFS raid1 when usb disk device mappings changes?

I created a btrfs raid1 one by using "mkfs.btrfs /dev/sdc1 /dev/sdg1". It worked fine but next time I restarted my pc it seemed like the sdg device became sdf therefor btrfs refused to mount this ...
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1answer
71 views

Attach Cloud Storage as External Drive to Windows

I am looking to use a Cloud Storage provider as an attached drive on Windows Server 2008, kind of like an iSCSI storage device. I downloaded Google Drive which created a new folder on my system, but ...
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1answer
15 views

Perform trim-like operation on a normal HDD?

Is there a way to perform the same thing on a HDD as Trim does on a SSD. I assume the used sectors should be rewritten with 0 or 1.
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0answers
35 views

Create a decentralized file server out of multiple desktops with Windows 7 OS

I have a bunch of desktops with Windows 7 OS and some unused hard disk space on each one that I would like to connect together and use as a big file server that can be seen by all the desktops. I want ...
2
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1answer
35 views

Best Practices for Email Backup

I was hoping that I could get some recommendations for permanent email backup practices that would help keep our users with high data counts from getting out of hand. Some background: I maintain ...
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1answer
31 views

How the data will be stored/saved in memory

Consider I have a USB flash memory with capacity of 8 GB. That is, it can store 8 billion bytes or 8 billion * 8 bits (approximately). How those huge amount of data can be stored in a small USB flash ...
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1answer
106 views

Two questions about Windows Storage Spaces and Linux

So when I first configured my desktop I only had Windows 8.1 installed. When I installed my second hard-drive (I have Windows 8.1 and Linux on a separate SSD), I made the mistake of making it a ...
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2answers
36 views

/dev/random but predictable?

If I want to do a quick test of some flash memory that I'm not sure is working correctly, the convenient ways to write data to it are either /dev/random or /dev/zero. However, with dev/random, I have ...
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1answer
320 views

Seagate Expansion external drive not recognised in Windows 8.1

Can someone PLEASE tell me why my Seagate Expansion external hard-drive is NOT recognised in Windows 8.1? It worked perfectly on my other Win 7 Pro laptop, I just bought a new laptop with Win 8.1,and ...
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1answer
72 views

How to use independent, persistent disk à la VMWare in VirtualBox?

VMware has the concept of "dependent disk" (snapshots are made and used along with the virtual machine), "independent persistent disk" (disk has his own state, no snapshot), "independent non ...
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2answers
51 views

What to use for recovery disk when CD is not an option

I have a computer that has no optical drive and getting on to work with that is very hard(believe me I've tried). What are some alternatives for recovery media in case the current OS fails? I have ...
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1answer
94 views

Internal Storage does not have a drive name

The internal storage of my phone shows up as: Computer\Xperia SL\Internal Storage Hence I am unable to copy the entire contents of the drive using either Fastcopy or CMD Why is it that it does not ...
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1answer
285 views

waking up a sleeping external usb storage drive on linux?

So I got a Seagate external usb storage that goes to sleep after 90 minutes. All its power comes from the usb. At dmesg, this is what happens: [Dom Jun 29 17:25:08 2014] sd 7:0:0:0: Attached scsi ...
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1answer
31 views

Calculate storage capacity of RAID 2 / 3 / 4?

Given n drives and capacity s of each drive, how would I calculate storage capacity for RAID 2 / 3 / 4? For example, I know RAID 5's storage capacity can be calculated with the following formula: ...
0
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1answer
29 views

Calculating RPM of the disk drive

Well I have a question about RPM of the disk drive. I've seen an example where: seek time of the HD: 5ms track size: 5MB If an application wants to read 1MB from the disk with a maximum time of 20ms ...
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3answers
51 views

Why so many steps in adding new disk and what do they do? [closed]

Why is it necessary to initialize, format, create a volume and a partition on a new hard drive? What are there differences? I have red on Google and most of them seem to do the same thing.
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2answers
140 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 ...
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1answer
54 views

Usability of solid state drives after long term storage without without power

So, I was recently hired on to a company that has shipped out several 24/7 always on servers.. With solid state drives. I understand that SSD longevity has been improved upon, however to my knowledge ...
3
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2answers
103 views

Is it insecure to use a swap file that multiple systems can read?

I'm setting up a dual-boot system with Ubuntu Linux and Windows 7. Both systems are installed on an SSD, each given around 50GB. However, there is an additional internal HDD with a single ext4 ...
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2answers
49 views

Does `dd` work on physical level or on filesystem level?

When you delete a file from a device, let's say an USB stick, then (without doing any further stuff) only the entry in the filesystem is deleted, the raw bytes of this file are still on the device ...
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0answers
190 views

Intel Rapid Storage Technology (pre-OS) driver installation

My desktop machine is built on Gigabyte GA-Z87-UD3H and Gigabyte provides the latest driver for Intel Rapid Storage Technology (IRST), which I installed after installing the OS. Same goes for my ...
0
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1answer
954 views

MicroSD card isn't detected by computer, apparently usable only with phone

I have a 4GB MicroSD card that apparently only works (in the sense that the device detects and can read and write from and to the card) with my old Nokia XpressMusic 5800 phone. I have taken pictures ...
2
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4answers
383 views

Migrating from HDD to SSD+HDD combo [closed]

So in a few days I'm going to be building a new PC in which I decided to icorporate an SSD (120GB) + HDD (1TB) combo. Are there any rules of thumb as to how you should divide your data among those two ...
0
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1answer
414 views

Can a personal cloud storage device be used for syncing OneNote?

(Please note this is a question about a type of NAS (Network Attached Storage) device, not an online cloud storage service.) If I understand it correctly, a personal cloud storage device (for example ...
0
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1answer
55 views

Motherboard storage drivers confusion

I'm always confused when I need to install the MOBO drivers for storage. Eg: for my mobo, there are 5 different drivers for storage. It is not clear what they do and which one I need to install!! Can ...
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0answers
40 views

Flash based storage. Do i need to re-plug them back in to my PC from time to time? (Memory cards & SSD's)

I've bought some memory cards for the purpose of backing up & storing my pictures and videos in case my PC's hard drive fails or the data on it becomes unreadable. The hard drive may not fail for ...
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2answers
77 views

How can i build home SAN with SATA drives only

In my home i have 5 user using different computers and we have one server with vmware Esxi on it to use for virtual machines The problem i am having is storage i have desktop where i have stored 7 ...
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1answer
122 views

ZFS on linux: switch partition to whole disk

There is a ZFS pool with raidz1 in it. The pool is created on top of three 2TB drives using the whole disk and a 2TB partition on a 3TB drive. What is the recommended process to reconfigure the pool ...
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1answer
237 views

Does a router USB port means it supports NAS?

My ISP will be sending me a SmartRG SR505n modem/router and I see from the specs that it has a USB 2.0 port. Does this mean that it supports adding a NAS (my extrenal HDD for example?). I checked the ...