Tagged Questions

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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4
votes
2answers
135 views

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

For any user who's serious about storage performance, SSDs are always the fastest solution. However, WD still makes their 10,000 RPM VelociRaptor hard drive, and a few enthusiasts even use ...
5
votes
2answers
126 views

How can a harddrive be “optimized for surveillance storage”?

Some internal harddrives are advertised as "optimized for surveillance storage" (and similarly, "optimized for gaming"). What makes these types of drives special or different from "standard" ...
-1
votes
0answers
16 views

Collective term for HDDs and SSDs [on hold]

I need a collective term for hard disk drives and solid state drives for computers that do not also include other storage units like USB drives and DVDs. To be more precise, a word for the main ...
0
votes
0answers
20 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 ...
0
votes
0answers
15 views

How to setup RAID for data and AHCI for OS

I just bought 4 hard drives containing 4 TB each which I hope to set up in a RAID 10 setup, giving an apparent continuous 8 TB hard drive that is backed up. I also have a 256 GB SSD and a 1TB Hard ...
0
votes
2answers
26 views

Maximum number of disks and amount of storage support by Ubuntu OS?

We are using AWS ec2 instances and we want to attach EBS volumes to EC2 instances using a program. In order to over burden one particular EC2 instance by attaching more storage than it can handle, I ...
0
votes
0answers
11 views

Storing more data then the adress width allows?

I'm learning how to design an 8-bit system and the CPU I have chosen has 16-bit addresses, but I want to store more data on a long term storage device(Flash), computers do this all the time, how is it ...
0
votes
0answers
25 views

Recommended Partition Layout for a Debian VirtualBox Server

First I posted this on Unix & Linux, but got no response so I deleted my post there before moving it over here - so this is not x-posting. I understand the basics, but I have a few requirements ...
0
votes
1answer
14 views

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 ...
-1
votes
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 ...
0
votes
1answer
27 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?
0
votes
1answer
82 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:- ...
0
votes
0answers
76 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 ...
0
votes
3answers
30 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 ...
0
votes
0answers
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 ...
0
votes
2answers
49 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. ...
1
vote
0answers
27 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 ...
0
votes
0answers
12 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 ...
-1
votes
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 ...
0
votes
2answers
62 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 ...
3
votes
2answers
240 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 ...
3
votes
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
votes
1answer
182 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
643 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 ...
1
vote
0answers
79 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 ...
0
votes
0answers
39 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 ...
0
votes
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 ...
0
votes
0answers
72 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 ...
0
votes
1answer
39 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 ...
0
votes
2answers
91 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 ...
0
votes
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.
1
vote
0answers
36 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
votes
1answer
36 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 ...
0
votes
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 ...
1
vote
1answer
118 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 ...
1
vote
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 ...
0
votes
1answer
398 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 ...
0
votes
1answer
80 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 ...
0
votes
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 ...
-1
votes
1answer
110 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 ...
0
votes
1answer
324 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 ...
0
votes
1answer
35 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
votes
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 ...
-2
votes
3answers
52 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.
0
votes
2answers
151 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 ...
1
vote
1answer
57 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
votes
2answers
105 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 ...
0
votes
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 ...
1
vote
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 ...