Theory aside, I switched from "RAID of ephemerals" for data, and root volume for write log to single EBS-based SSD without any noticeable impact on performance.
will On Thu, Sep 4, 2014 at 9:35 PM, Steve Robenalt <sroben...@highwire.org> wrote: > Yes, I am aware there are no heads on an SSD. I also have seen plenty of > examples where compatibility issues force awkward engineering tradeoffs, > even as technology advances so I am jaded enough to be wary of making > assumptions, which is why I asked the question. > > Steve > On Sep 4, 2014 5:50 PM, "Robert Coli" <rc...@eventbrite.com> wrote: > >> On Thu, Sep 4, 2014 at 5:44 PM, Steve Robenalt <sroben...@highwire.org> >> wrote: >> >>> Thanks Robert! I am assuming that you meant that it's possible with a >>> single SSD, right? >>> >> >> Yes, no matter how many SSDs you have you are unlikely to be able to >> convince one of them to physically seek a drive head across its plater, >> because they don't have heads or platters. >> >> =Rob >> >