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bcache is a Linux kernel block layer cache. It allows one or more fast disk drives such as flash-based solid state drives (SSDs) to act as a cache for one or more slower disk drives.



Activate the following kernel options:

KERNEL Enable block device support in the Kernel (CONFIG_BCACHE)
Device Drivers --->
   Multiple devices driver support (RAID and LVM) --->
      <*>   Block device as cache


Install sys-fs/bcache-tools:

root #emerge --ask sys-fs/bcache-tools

See also

External resources