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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Managing disk in a VM

I'm replacing my two old rack servers with a new one that has plenty of power to take over the functionality my current servers. The server is a 4U rack mount with 16 3.5" SAS drive bays, two 2.5" ...
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901 views

No space left on device, df shows 50%

I have done everything I know about, and now I'm completely lost. I'm getting an error on my Storage partition. The drive is a ntfs, and I'm using ntfs-3g, the disk is being shared between my Windows ...
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42 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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210 views

How to write protect microSD card?

My phone is corrupting memory cards while trying to write data. I want to make my microSD read-only or write protect it (even if phone is not the reason). Searching on Google returns the solutions to ...
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98 views

SSD cache to minimise disk uptime

I am planning to build a small server for personal use, utilising a relatively large RAID-5/-6 (or RAID-Z/-Z2) array as main storage. The vast majority of workloads I envision for this would have ...
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402 views

Best external USB drive with transparent Raid-1 support

I am in the market for a new NAS/backup system, and came across the interesting TonidoPlug . My last USB external drive (SimpleTech SimpleDrive 1TB) has met its demise, and so I'm trying to figure ...
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7 views

tahoe-lafs: one full copy of every file per server

I am attempting to use Tahoe-LAFS to make data available on all the machines I have set a share up on. At the moment, there are two machines acting as storage nodes. I will soon be adding a third. ...
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6 views

how to protect user's uploading files and sync two storage servers when extending storage

I have a problem with storage as explained below could you please advise me. I have created a web site that should work like Youtube. In my web site it should SAVE the HUGE number of video files, ...
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53 views

Intel SSD with retired blocks - how much life left?

It's a 4 year old Intel x25 SSD. In the program HD Tune it shows this ID Current Worst ThresholdData Status (05) Retired Block Count ...
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18 views

Does the RAID 5 parity drive have to be same size as the rest of the array?

In the most basic RAID 5 array, does the parity drive have to be the same size as the other 2 drives? Standard Array: 1x4TB Drive (Storage) 1x4TB Drive (Storage) 1x1TB Parity Drive Or will the size ...
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13 views

Intel Rapid Store

I am not sure if I have a port problem, HD, or MB issue. I have a Windows Home Server with six 2 TB HDs in an RAID 5 configuration. One day, I noticed the #6 HD was showing missing and there was ...
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112 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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44 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 ...
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199 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 ...
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45 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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24 views

Snapshotting virtual disks mounted in Windows without using vritualization?

I know that you can mount VHDs in Windows, but you can't create snapshots on the go, like in virtual machines. You have to unmount it first, create a differential VHD using Diskpart and mount it ...
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31 views

Single storage setup for multiple users

I have a relative who employs several people for data entry and stuff. Currently, he has 3 employees, each with his own computer, but wants to expand with 2-3 more computers. What he is fearing is ...
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58 views

SQL Server - Database with strange storage space

I have a strange problem with one SQL server database: The database takes 180GBs on disk, with no space available; while the only table it contains should use only sth like 25GBs: EDIT: database ...
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218 views

Intel Matrix Storage controller black screen after reformatting the disk

I have a Dell T3400 PC with an Intel Matrix Storage controller and two disks which were in a RAID-1 configuration. I took out one of the disks and installed Linux on the other disk, breaking the RAID ...
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288 views

Tools for block diagrams / listings of multi-layered storage virtualization with LVM and LUKS?

When multiple storage virtualization systems are used together, it can be complicated and time-consuming to gain an understanding of the structure of the various relationships involved. What tools ...
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499 views

Timed/Periodical automatic uploads to DropBox?

I'm wondering if there are any tools/apps out that allow you to; select a specific set of files/folders -> select a specific time (every 3 hours for example) -> automatically upload/sync the selected ...
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15 views

Restore / Mount Windows 8.1 Storage Space

I have a storage space with two disks, which i want to use after a new Windows installation. I can create a new space, with the amount of the remaining disk space available, but cannot access the ...
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18 views

How exactly do you hook up 16 drives to this RAID card?

http://www.lsi.com/products/raid-controllers/pages/megaraid-sas-9240-8i.aspx#tab/tab1 I'm utterly confused only because I'm not versed as well in enterprise storage capability and solutions. The ...
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33 views

Does Google drive storage hack raid backups of my data just in case if their hard drives go down?

I'm thinking about using the google cloud storage as my main storage device instead of buying a bunch of my own nas devices. But what i'm wondering is my data secure and backed up via with google's ...
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25 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 ...
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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 ...
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145 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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44 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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16 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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26 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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2k 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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50 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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99 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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84 views

Mount usb storage on Nexus 4 from Ntfs

How do I mount usb storage to fat32 or exFat on Nexus 4? Many of the mounter apps I tried specified app not compatible for Nexus 4 in the description itself. I could connect my mouse through OTG cable ...
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42 views

Deleting Files from Secondary BTSync Client Files remain in Ubuntu VPS but invisible

I installed BTSync on my VPS which is running Ubuntu 13.10. I set up a drop folder where I would transfer my files & that would sync to my home PC. I would then delete things on my home PC (not ...
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18 views

KVM images not reading from custom location

In CentOS linux server I have a disk scenario as , A LV with vg0 in it and in that I have created a directory with intention as KVM have to read the images from this location. I have set KVM to read ...
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121 views

I dell external usb dvdrw drive model gp60n

I have a dell external usb dvdrw drive model gp60n and i need to know what kind of readable format and what kind of writable format it uses.
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36 views

Home FTP storage

Now i have a router Asus RT-N56u and a USB Disk (Samsung M3 portable) for my daily website backups. I am doing compressing with tar for every site folder then sending it via NCFTP to my home usb disk. ...
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22 views

How does video get written to a file?

How does a video get written to a file? Does it get written in sections, like packets of data, or does the file stay "open" with a pure stream of continuous data? I have been searching but I don't ...
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281 views

Expanding disk space on pfSense running under ESXi

I recently installed pfsense on an ESXi to run as my secondary gateway by assigning a disk space around 30GB. Everything works fine & now I need to expand the disk size to another 50GB for squid ...
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13 views

persistiant demand-based client caching for network storage

I'm going to preface this by saying that I really don't know if this is the right venue for this question. Aspects of it could be highly technical, but I would rather stay away from that side of ...
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32 views

Downloading files from zip and extracting suddenly extracts random things?

I recently downloaded a gmod map of 5 mb and I got like 70 gb left as storage. Now I tried extracting the map to the desktop and all of a sudden it says:"Cant extract, need 11.7gb to extract" So I ...
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28 views

How can I automate multiple back-ups of Mac OS, data and archives?

I would like to automatically back up my Mac OS, Data on the Mac, and also Archived data that I only keep on an external storage device (because the mac has limited storage itself). I imagine the ...
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147 views

Why are consumer grade RAID controlers MORE expensive than complete external array solutions and are they compatible?

I'm looking at consumer grade ESATA DAS solutions for my home lab. I use vmware workstation with mucho VMs currently all stored on the same 1TB 7200 RPM SATA disc- performance is pretty terrible as ...
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107 views

Where is my disk space going?

I have a 1TB partition mounted with all my local non-program data in it, and it was showing as only having <250 GB of space left. So I went to do what I usually do, move the worst of it onto my ...
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19 views

usb storage attached to windows SBS is not readable when plugged directly to windows desktop

I was wondering if windows SBS did some sort of different format other than ntfs that would make my usb storage (16tb drobo) readable only to the server If I unplug the usb and take it over to my win ...
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149 views

Real-time hard-drive space usage logging software?

I'm looking for a (Windows 7-compatible) tool that monitors and logs continuously how the space on my hard-drive is used. I use Windows and my hard-drive is overflowing with automatically downloaded ...
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415 views

Windows 8 Storage Pool in “Unrecognized Configuration”, but Appears Healthy

I recently had a crash on my machine running W8 Pro x64. When I rebooted, my storage pool was offline, and I got a message stating that I had "Drives in an unrecognized configuration". However, it ...
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292 views

CompactFlash write caching

A well-known characteristic of CompactFlash cards is that they do such things as write-leveling and caching to boost performance and longevity. These characteristics make them fairly poor choices as ...
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785 views

Intel Rapid Storage Technology (IRST): puzzled over port number assignements

I am using the tool Intel Rapid Storage Technology (IRST) v9.6.61001 to display the current status of several disks that are built-in and/or connected to a Lenovo W701 Model 4323. The status window ...