<![endif] generated 66 seconds ago generated in 0.509 seconds served from batcache in 0.002 seconds expires in 234 seconds Richard WM Jones Skip to content Home About #nav #pic #header ← libguestfs RHEL 7.1 preview packages (yes, really) Removing the cache from an LV → #nav-above May 22, 2014 · 6:12 pm .entry-meta ↓ Jump to Comments Using LVM’s new cache feature If you have a machine with slow hard disks and fast SSDs, and you want to use the SSDs to act as fast persistent caches to speed up access to the hard disk, then until recently you had three choices: bcache and dm-cache are both upstream, or Flashcache/EnhanceIO . Flashcache is not upstream. dm-cache required you to first sit down with a calculator to compute block offsets . bcache was the sanest of the three choices. But recently LVM has added caching support (built on top of dm-cache), so...