Using LVM cache for storage tiering

SSDs are small, expensive but fast. HDDs are large and cheap, but slow. Lets combine the two technologies to get the speed of SSDs with the price and size of HDDs. This can be achieved with storage tiering using LVM cache. Hardware vs. Software solutions There are so called “Hybrid HDDs” on the market. The SSD part is relatively small and you can not tune that cache or getting any statistics about cache hits and cache misses. Further, modern SSD ….Read More