EMC’s XtremIO is crapping on the badge; it’s an immature ball of destruction that shows how much architecture matters. Or so my favorite storage bloggers say. But customers and resellers seem to have a different take on the destructive XtremIO 3.0 update: They don’t care. Not at all.
VMware PSP and SATP in Plain English
I am often questioned during my Storage for Virtual Environments seminar presentations about VMware’s Pluggable Storage Architecture (PSA). This system is fairly straightforward and concept: VMware provides native multipathing support for a variety of storage arrays, and allows third parties to substitute their own plug-ins at various points in the stack. But the profusion of acronyms and third-party options makes it difficult for end-users to figure out what is going on.