Thursday, August 16, 2012

Installing Facebooks FlashCache on Fedora Root

Step 1: Download and compile the flashcache

Step 2:  Install the flash cache and modules to the initramfs drive

dracut --install "flashcache_load flashcache_create flashcache_destroy flashcache_setioctl dmsetup" initramfs-3.5.1-1.fc17.x86_64.img --force

Step 2.5 Install a hook to load the flash cache volume before bootup. During initqueue/finished stage

Step3: Change the /etc/fstab and grub config to point to a new file system eg. /dev/mapper/cachedev

Step 4: Reboot and drop into dracut shell

Step 5: Create the new flashcache volume

Step 6: Reboot. 

Bare Bones me for more.


  1. this post is really helpful with a step by step tutorial with easy to understand descriptions, thank you for updating with this you are doing an amazing job. keep at it


YDLidar (lidar) X4 API in golang

YDLidar X4 This is a demo of the YDLidar using a golang API. The software supplied with the device only contains the drivers in C++ an...