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2answers
217 views

Linux 3.x init ramdisk embedded in bzImage?

Is the initial ramdisk embedded into the bzImage? How to load an rootfs.cpio as a ramdisk and switch the root?
6
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1answer
182 views

Can you throttle the bandwidth to a tmpfs based ramdisk?

I created a ramdisk using tmpfs as follows: sudo mount -t tmpfs -o size=1024m tmpfs /myramdisk I was looking into cgroup blkio subsystem bandwidth limits "read_bps_device" and "write_bps_device" ...
1
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1answer
122 views

Kernel's cached memory can't be freed, even dropping caches

All host's memory is cached and there's no way it can be freed. /dev/ram1 is used for storing testing files, but after each build we run freeramdisk. $ freeramdisk /dev/ram1 $ echo 3 > ...
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0answers
121 views

Display boot splash on ramdisk only system

I'm working on a kiosk system with the root file system loaded into RAM. One of the requirements is that the boot process output should be completely hidden from the user. I've already managed to set ...
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0answers
20 views

How can writing speed equal to reading's over nbd and ram disk

My testing is under two nodes whose communication is over nbd,and each node uses ram disk as local storage.The result is that reading speed can reach the bandwidth 6GB/s,while writing speed is only ...
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0answers
40 views

why writing under ram disk is slower than reading?

I have been running a test to verify the performance improvement with ram disk. I used tmpfs provided by Linux kernel,but writing speed is slower than reading. Who had run similar tests and what's ...
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0answers
41 views

Boot hangs at 'initializing ramdisk'

On my laptop, any linux distribution get's stuck at 'initializing ramdisk' when booting. I tested this with Ubuntu Gnome, Debian, Linux Mint and Fedora. Windows 8 works properly, so it isn't a ram/hdd ...
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0answers
134 views

Install entire Linux OS to RAM disk

How would I install an entire Linux distro to a RAM disk, not just the kernel and modules with mkinitrd? Would I just need to make a huge initrd image? If so, how would I do that? thanks
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99 views

Linux loading stuck at "initializing RAMDISK'

I had dual booted my machine with windows 8 and Linux mint 17. Now, win8 is working fine but when I boot Linux Mint it shows nothing in normal mode and loading is stuck at initializing ramdisk in ...