A RAM disk (or RAM drive) is a block of RAM that a computer is using as though it were a disk drive.

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set up permanent ramdisk in ubuntu to not using ram when is the ramdisk empty

My laptop running Ubuntu 12.04 has 8GB RAM. I added following record to /etc/fstab tmpfs /media/ramdisk tmpfs defaults,noatime,mode=1777 0 0 What exactly does it mean? I have tested that I can ...
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Why using swap file over a SMB/NFS mounted filesystem is not possible in Linux?

I'd like to use another machine's unused RAM as swapspace for my primary Linux installation. I was just curious about performance of network ramdisks compared to local (slow) mechanical hard disks. ...
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5k views

Which filesystem to use for ramdisk?

I have 8 GB of RAM and would like to allocate about 1.5 GB for a ramdisk, mainly to use for Chrome and possibly some other things later. This guide says to format NTFS while this guide says to use ...
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1k views

Ramdisk size limit in OS X Mountain Lion?

I tried this command to create a ramdisk sudo hdik -nomount ram://4194304 but it failed with the message hdik: attach failed: error 0x6e = 110 It works only if I decrease the size to about 1 GB. ...
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1answer
777 views

How to install Windows on a ramdisk?

Nowadays 32 or even 64 GB of RAM in a PC is becoming accessible for the average Joe. Ideally I would like to be able to copy a fully working Windows 7 installation on DVDs or a Bluray disk and mount ...
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258 views

Boot Linux to ram-only, one time user on a second partition

I am looking to setup a laptop I use for work as follows. One partition with a Linux install (Backtrack) with tools, normal write, etc. I want to create a second partition with a one-time use setup; ...
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1k views

Create ram disk mount to specific folder in OSX

I am using a command like so to create a ram disk: diskutil erasevolume HFS+ "ram disk" `hdiutil attach -nomount ram://307200` This works succesfully, and I get a /Volumes/ram disk mounted on my ...
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2answers
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Is it secure: Storing an unencrypted keyfile in a volatile location?

I have multiple hard drives that should all be encrypted with the same keyfile or passphrase. Here's what I planned as an approach: I encrypt every hard disk with LUKS / cryptsetup and choose a ...
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2answers
2k views

How to setup a RAM disk without using third-party software?

How may I setup a RAM disk on my Windows 7 computer without using third-party software? There seems to be a lot of third-party applications that can do this, but I am wondering if this is something ...
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2answers
750 views

Maximum memory on 32-bit Windows 7… [duplicate]

Possible Duplicate: can a 32-bit OS machine use up all 8GB RAM + 20GB page file? I understand that I will not be able to use a full 4 GB on my 32-bit Windows 7 installation. I ready have ...
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3answers
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Why do virtual machine files on a ramdisk not run faster than on a physical disk?

I installed a total of 36 GB of memory (4x8 GB + 2x2 GB) onn the host (Windows 7) and I used ImDisk to create a 32 GB ramdisk and formatted it with an NTFS file system. Then I copied the virtual ...
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Best approach to utilize RamDisk for Chrome?

I use a lot of tabs and after a while less recently opened tabs take some time to become responsive, which I guess is because they're being un-cached to HDD as they're not required. So after ...
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1answer
376 views

Periodically back up ramdisk

Are there any Windows ramdisk drivers that can periodically back up the ramdisk to a file? I am familiar with ones that can save the file on demand and on shutdown. I'd like to gain control over the ...
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3answers
18k views

4GB to 8GB RAM, what performance increase?

I am wondering whether it is worth upgrading from 4 GB to 8 GB of RAM. I know the question has been asked many times, but I can't transpose that to my case. I'm using Windows 7 64-bit. I did a test ...
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0answers
1k views

Increase ramdrive memory for Hiren Boot CD

Does anyone know how to increase partition for Ramdrive R: for Hiren Boot CD ? I installed a new Program with more than 64mb and I cannot run it. By default it's size in 64mb. IF not where I Could ...
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2answers
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How do I load Ubuntu into RAM and boot from it?

The Problem I have a USB flash drive which, among Windows PE and other things, has an Ubuntu 11.04 system on a virtual (file-based) partition: <drive>/ubuntu/disks/boot.disk mount point ...
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3answers
4k views

Optimum use of Windows7 32bit PAE Ramdisk (3GB + 1GB PAE)

Besides switching to Windows 64bit (or Linux 64bit) what is the best strategy to make the most of my 1GB PAE ramdisk (on a Laptop with a slow harddrive)? Here ...
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What to put on RAMDisk on Windows?

I got a lot of RAM installed in my PC recently and I looked into this RAMDisk thing. There are two things I've found from my investigation: You should not mess with Windows native pagefile/memory ...
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How can I tell if I can increase RAM from 4 GB to 8 GB on my FSC Amilo XA 3530 Laptop?

I want to increase my laptop speed and use a ram disk but my RAM size is very low. How can I tell if I can increase my RAM from 4 GB on my FSC Amilo XA 3530 laptop? The specs stats it is DDR2 800Mhz ...
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1answer
163 views

How long is the life of a memory stick? [closed]

I want to use some memory which is integrated in the motherboard, to make a ramdisk, so that the SSD won't be written to as an internet video buffer. But I doubt that life of the memory would be too ...
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1answer
652 views

Why can't I eject ramdisk on OSX?

I followed these instructions for creating a ramdisk on OSX. Now I can't unmount the disk despite not using it (lsof verifies nothing is using the disk). Instructions to create: $ hdid -nomount ...
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2answers
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Can you boot an operating system into RAM disk and how?

I would like to know whether and how you can setup a computer to boot into RAM. I have 16GB of DDR3 1600MHz RAM. Could it be done in Windows? If not, maybe in a light version of Unix? You'd have to ...
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Install entire visual studio on ramdisk?

How would i go about installing visual studio 2010 and all of its dependencies entirely on a ramdisk? I have 16GB ram in my computer and a 4GB ramdisk just for visual studio. If i just try to ...
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1answer
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Windows RAM disk that can be installed on the command line, and supports > 4GB?

Is there a Windows RAM disk that can: Be installed/controlled from the command line. Supports > 4GB on a 64-bit system. I've written a .NET app to decompress some .rar files to a temporary ...
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1answer
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Can I create a RAM disk using GPU Memory? [duplicate]

Possible Duplicate: Is it possible to use GPU memory as more main memory? I would like to create a RAM disk/drive using the GPU's RAM/memory. Then use ReadyBoost on Windows to use the disk ...
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Will these 2 RAMs play nicely?

EDIT To the Original Question: I did some research and the old computer I discovered is a Dell Dimension 2400. According to the SPEC Sheet the RAM is PC2100 (266-MHz) or PC2700 (333-MHz) DDR SDRAM ...
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2answers
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Windows 7 Virtual Memory Optimization - ReadyBoost vs. Flash Swap vs. RAM Disk?

At first i thought ReadyBoost means having swap file allocated to flash drive which is wrong because ReadyBoost serves as additional storage for swap file or should i say it mirrors swap file on hard ...
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1answer
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Spin down hard drive while on treadmill (or car or any other shaky environment)

I have a laptop with 8GB of RAM running Windows 7. Is it possible to completely shut off the hard drive while browsing the web? I use Firefox. I figure I would need to do this if I wanted to prevent ...
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How do I deallocate a Linux RAMDISK, e.g. /dev/ram0?

I've been playing with Linux RAMDISKs, as in the block device /dev/ram0. I understand that when I first start writing to one of these devices some RAM is allocated to it. How do I free the memory ...
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1answer
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What is the max. capacity of RAM in 32-bit machine? Why it is not 16GB? [closed]

This question is inspired from a question in stackoverflow here To what I know, for 32bit machines, we can have 2^32 combination set of instructions. so for a max capacity of a RAM in 32-bit ...
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4answers
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Has someone written (or is aware of) an instruction guide for setting up a RAMDisk and using it for pagefile.sys?

I was talking with a friend the other day about Windows in general and I mentioned that there is, unfortunately no way (that I was aware of) to disable the page file within Windows. Regardless of the ...
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Ramdisk… anyone tried using one?

I have 12GB of RAM on my Windows 7 computer, and it's completely going to waste, I use only around 2GB and only once managed to get up to 3GB used. I read about how some software can turn a chunk of ...
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Maximum vmalloc parameter size for linux?

First off all, I'm booting from a large MEMDISK using PXE (900MB) . Due to our environment, I cannot decrease the size, nor move files to a nfs/iSCSI/... environment. Everything needs to be in that ...
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545 views

What is the best software to test disk IO in Windows 7?

Possible Duplicate: What files are accessed often? Hi any recommendations on some good free software to test disk IO in Windows 7? I will be running a dedicated SSD swap drive and also ...
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3answers
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which ZFS-like filesystem can optimize volume selection based on file access patterns?

Is there a redundant RAID/ZFS-like filesystem that can optimize the placement of files based on their access patterns? My goal is to build a desktop system that will automatically move files among a ...
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How can I change the amount and size of Linux ramdisks (/dev/ram0 - /dev/ram15)?

Using Linux, when I boot I automatically have 16 16MB ramdisks, however, I would like to create one really large ramdisk to test some software. I found that I can adjust the size of the ramdisks ...
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2answers
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How can I automatically mount/unmount a ramdisk on a 64-bit Ubuntu server?

My Ubuntu server has 24GB of RAM. I want to automatically create a ramdisk on boot and load files from the /home/user1/ramdisk folder. When the system shuts down, I need to load files from ramdisk ...
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Looking for Windows RAM Disk which mirrors writes to hard disk

I'm looking for a RAM disk (preferably free) which gets its contents from a specified folder on the hard disk and also writes changes made to it back to that folder. Is there such a thing for Windows? ...
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4answers
986 views

How to treat a new SSD--optimizations and longevity

I was hoping to compile a list of tips/tricks for optimizing and extending the life of SSDs. I just purchased my first SSD and put it in my laptop, and will soon be installing a pair into my desktop ...
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1answer
702 views

GNOME/KDE Linux entirely in RAM?

I'd like to have very responsive linux but I also like modern, elegant and functional desktops like gnome or kde, not the lightweight ones like xfce or lxde. Once I tried PuppyLinux and was impressed ...
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3answers
4k views

Preloading programs and files into ram? (Windows 7)

Now that I have 12 gigs of ram in my PC I'd like to make the most of it and minimize the disk access of the application/game I'm using while I use it so I'm wondering if there are some ways to preload ...
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1answer
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Does it make sense using a RAM disk in Mac OS X?

Curious to know: does using a RAM disk in the Mac OS X operating system make sense in terms of performance and speed? for more context: I was thinking of moving my Browser's Cache folder (Google ...
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2answers
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What is the difference between ramdisk and ramfs?

Kindly tell me the difference between ramdisk and ramfs.
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Ramdisk ubuntu 10.04

I'm using Ubuntu 10.04(64bit) for my desktop. The machine has a 5GB RAM. I want to use RAM disk(1G or 2G) but I don't know how can I do this. Is there any opensource product of RAM disk?
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What will happen if there is not TEMP variable set or if it is set what will happen if the folder/drive does not exist?

I want to setup a RAM disk for various purposes and among them I would want to set the TEMP variable to point to a folder in the RAM disk. I haven't done this yet, but the RAM disk will be initialized ...
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Setting up a Ramdisk on WXP

I need to do some lossless screencapture, and I am bumping into the maximum speed of the I/O access. I decided to add a ramdisk, but I found few freeware ones, but I ended installing the ARSoft one, ...
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RAM caching of files on disk, based on file extension

This is what I need: improve access time with small files of specific extension type, by making them pre-loaded in RAM. I need this to speed up visual studio builds. Does anybody know of a cache ...
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4answers
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Why doesn't my RAMDisk performance match my HDD's performance?

I've been thinking about using temporary GIT repositories on RAMDisks (using DataRAM's ramdisk) as a kind of object store. I was interested to see whether it was worthwhile, so I ran a simple ...
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Want Visual Studio 2010 stop using the drive when there's lots of RAM in Windows 7 64 bit

I will be upgrading my system to use 16GB of DDR3 RAM in a Windows 7 64 bit and Visual Studio 2010 Ultimate. CPU will be 6 cores 3.2Ghz. I do lots of compiles/day and my goal for VS is to show a web ...
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4answers
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Can I use the unused 1G of 4G on a 32bit machine as a ramdisk?

I have a machine with 4G of RAM, but running 32bit windows 7, so can only see 3G. I have read somwhere recently that that unused 1G can be used as a RamDisk. Is this true? What sort of program allows ...