No, they only spare for their specific type;
Hi All,  According to the EMC disk matrix disk model FLV42S6F-100 – can be used for FAST CACHE and FAST VP, and disk model V4-2S6FX-100 – FAST VP only.  Can FLV42S6F-100 be used as a hotspare for V4-2S6FX-100?  Appreciate your input.
VNX SSD hotsparing