Pure Power @ 4k Random with 9211

[Ao1]

Edit: ^ sorry I did not mean hard or soft raid I meant is software delivering the benefits from a hard array? It sounds very much like software applications and as below maybe one drive is being used for cache.

Tilt, spill the beans


So the drives not in the array were being used for cache?

"LSI MegaRAID CacheCade cache tiering software enables SSDs to be configured as a secondary tier of cache to maximize transactional I/O performance."