This week has seen yet more stories and announcements on all-flash storage.  IBM released new FlashSystem products based on XIV and an all-flash version of their mainframe/enterprise platform, the DS8888.  I had another briefing from Violin (although that didn’t reveal anything new) and rumours started to swirl that X-IO Technologies might be going out of business.  Speculation from Chris Mellor over at The Register is that we’ve reached a level of maturity in this market that is keeping the smaller players out while a few “big boys” are making all the money.  The…