Phoronix published a review on the A Look At BCache vs. LVM Cache For HDD+SSD Linux Systems
A quote from the article:
For those thinking about potentially running a Linux system with a combination of SSD and HDD so that the solid-state drive would be able to act as a performance cache for commonly used data, BCache and LVM-cache/dmcache are two of the commonly used solutions...A Look At BCache vs. LVM Cache For HDD+SSD Linux Systems @ Phoronix
