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Questions tagged [ramdisk]

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

A RAM disk (or RAM drive) is a block of RAM that a computer is using as though it were a disk drive. It is many orders of magnitude faster than a hard drive or any other external storage devices. Learn more at WikiPedia

258 questions
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Why does RAM have to be volatile?

If computer RAM was to be non volatile like other persistent storages, then there would be no such thing as boot up time. Then why is it not feasible to have a non volatile RAM module?
Chintan Trivedi
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Does every OS need RAM?

Is there an OS which can be used without RAM, specifically the kind I can create a bootable pendrive from and use it in the computer? This gets awkward, since booting is essentially loading OS in RAM. Note: I originally wanted to know about a…
Suvarna Pattayil
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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 already on the system with the kernel boot parameter…
Kevin S.
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Can I put /tmp and /var/log in a ramdisk on OS X?

For non-critical Linux systems, I often move things like /tmp and /var/log to tmpfs to save on some disk writing. I've been doing this for a year or so and if I ever need the logs across reboots, I just comment out a line in /etc/fstab and then…
kbyrd
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Why would a RAMdisk be used today?

After reading this question I started thinking: "Hey, what happened to those RAM disk utilities we used to run in the ol' DOS days?" I haven't heard about RAM disks for years until today, but why? Memory is still faster than disk and we have a lot…
Alex Angas
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What happen if we reduce the size of hiberfil.sys

I today discovered that we can set the size of the hiberfil.sys using powercfg -H -size 100% command line tool. Ignoring the hard space you will get, what else will change if we set it to powercfg -H -size 50%? Does it limit max RAM usage to 50%?…
user218521
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RAMDISK OS? Installing Windows 10 on a ramdisk

Is it possible to put the entire operating system on a ram disk? If I have 16 GB of RAM and it is an Intel Xeon. I don't have an SSD and my hard drive is killing my boot time. So can I just allocate some of my ram to work as if it were an SSD and…
James Smith
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Is putting the swapfile & temp folder to ramdisk a good idea in Windows 7 64 bit with lots of RAM?

I want my Windows to run as fast as possible. If I have 12GB RAM in Windows 7 64bit, quad core CPU, and all apps fit in memory, will the swap file ever be used for anything? The question is about if it's a good idea to put the swap file in a RAM…
Tony_Henrich
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ImDisk: Create physical memory drive (not virtual memory drive) from command-line

I'm using ImDisk to create a virtual drive in Windows 7. I use it as a temporary drive for documents, and it will be created every time the computer/windows restarts. This is working okay; however, I want to create the drive in physical memory…
Codebeat
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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?
Benjamin
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Create a RAM drive in Windows 10 to improve a modded instance of TES V Skyrim

How can one create a RAM disk in Windows 10 to enhance a modded TES V? I'd like to to use a ramdisk to load assets of TES V to improve performance. I have 16Gb of ram on this laptop and Windows 10 can only utilize 3.5Gb while playing Skyrim My…
Todd
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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 system that I can use that is mounted from /dev/disk5…
Derek
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Shouldn't my machine have a /dev/ram0 file?

I have a college assignment where I have to create a RAM Disk. I have been told to then make a C program that writes multiple times on a file placed inside the RAM Disk and then do the same on a file placed on the hard disk to compare the write…
ferranad
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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 page within seconds after making a change in the…
Tony_Henrich
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Which filesystem to use for RAM disk?

I have 8 GB of RAM and would like to allocate about 1.5 GB for a RAM disk, mainly to use for Chrome and possibly some other things later. This guide says to format as NTFS while this guide says to use FAT16. What differences are there between FAT16,…
Evie
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